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Encyclopedia > QuickTime
QuickTime
QuickTime 7 icon

QuickTime 7 Player under Mac OS X Leopard
Developed by Apple Inc.
Initial release December 2, 1991
Stable release 7.5  (June 9, 2008 (2008-06-09); 6 days ago) [+/−]
Preview release 7.5 [A96/98]  (May 09, 2008) [+/−]
OS Mac OS X, Windows XP and Vista
Available in multilingual
Genre Multimedia framework
License Proprietary
Website www.apple.com/quicktime/

QuickTime is a multimedia framework developed by Apple Inc., capable of handling various formats of digital video, media clips, sound, text, animation, music, and several types of interactive panoramic images. Available for Classic Mac OS, Mac OS X and Microsoft Windows operating systems, it provides essential support for software packages including iTunes, QuickTime Player (which can also serve as a helper application for web browsers to play media files that might otherwise fail to open) and Safari. QuickTime logo. ... Mac OS X v10. ... For other uses, see Software developer (disambiguation). ... Apple Inc. ... is the 336th day of the year (337th in leap years) in the Gregorian calendar. ... Year 1991 (MCMXCI) was a common year starting on Tuesday (link will display full calendar) of the Gregorian Calendar. ... A software release refers to the creation and availability of a new version of a computer software product. ... is the 160th day of the year (161st in leap years) in the Gregorian calendar. ... 2008 (MMVIII) is the current year, a leap year that started on Tuesday of the Anno Domini (or common era), in accordance with the Gregorian calendar. ... A software release refers to the creation and availability of a new version of a computer software product. ... May 9 is the 129th day of the year in the Gregorian Calendar (130th in leap years). ... 2008 (MMVIII) is the current year, a leap year that started on Tuesday of the Anno Domini (or common era), in accordance with the Gregorian calendar. ... An operating system (OS) is a software that manages computer resources and provides programmers with an interface used to access those resources. ... Mac OS X (pronounced ) is a line of graphical operating systems developed, marketed, and sold by Apple Inc. ... Windows redirects here. ... This article is about the properties of language in general. ... A multimedia framework is a software structure (usually a set of software libraries) that handles media on a computer and through a network. ... A software license is a legal agreement which may take the form of a proprietary or gratuitous license as well as a memorandum of contract between a producer and a user of computer software. ... Proprietary software is software with restrictions on copying and modifying as enforced by the proprietor. ... A website (alternatively, web site or Web site) is a collection of Web pages, images, videos or other digital assets that is hosted on one or more web servers, usually accessible via the Internet. ... A multimedia framework is a software structure (usually a set of software libraries) that handles media on a computer and through a network. ... Apple Inc. ... Digital video is a type of video recording system that works by using a digital, rather than analog, of the video signal. ... A media clip is a short segment of media either an audio clip or a video clip. ... For other uses, see Music (disambiguation). ... QuickTime VR (virtual reality) (also known as QTVR) is a type of image file format supported by Apples QuickTime. ... This article relates to both the original Classic Mac OS as well as Mac OS X, Apples more recent operating system. ... Mac OS X (pronounced ) is a line of graphical operating systems developed, marketed, and sold by Apple Inc. ... Windows redirects here. ... This article is about the iTunes application. ... A helper application is an external viewer program launched to display content retrieved using a web browser. ... An example of a Web browser (Mozilla Firefox) A web browser is a software application that enables a user to display and interact with text, images, videos, music and other information typically located on a Web page at a website on the World Wide Web or a local area network. ... Safari is a web browser developed by Apple Inc. ...

Contents

Overview

Mac OS X graphics model
QuickTime
Rendering
QuickDraw • Core OpenGL • Quartz 2D • Core Image
Core Animation • Core Video • ColorSync • QuickTime
Compositing

Quartz Compositor Quartz is the marketing name of the proprietary graphics layer that sits on top of the open source Darwin core of Mac OS X. Quartz is part of the Core Graphics framework. ... QuickTime logo. ... Two quickdraws. ... Core OpenGL, or CGL, is Apple Computers Macintosh Quartz windowing system interface to the Mac OS X implementation of the OpenGL specification. ... Quartz 2D is the primary two-dimensional graphics rendering API for Mac OS X, part of the Core Graphics framework. ... Core Image is a pixel-accurate, non-destructive image processing and rendering framework for Mac OS X. As part of the QuartzCore framework, it extends the rendering capabilities of Quartz with its plugin-based architecture for applying filters and effects. ... Core Animation is a data visualization API used by Mac OS X 10. ... Core Video is a new pipeline model for digital video in Mac OS X. Partitioning the processing into discrete steps makes it simpler for developers to access and manipulate individual frames without having to worry about translating between data types (QuickTime, OpenGL, and so on) or display synchronization issues. ... ColorSync is Apples color management API for the Mac OS and Mac OS X. // Apple developed the original 1. ... Quartz Compositor is the window server in Mac OS X. It is responsible for presenting and maintaining rasterized, rendered graphics from the rest of the Core Graphics framework and other renderers in the Quartz technologies family. ...

This box: view  talk  edit

The QuickTime technology consists of the following:

  1. The QuickTime Player application created by Apple, which is a media player.
  2. The QuickTime framework, which provides a common set of APIs for encoding and decoding audio and video.
  3. The QuickTime Movie (.mov) file format, an openly-documented media container.

QuickTime is integral to Mac OS X, as it was with earlier versions of Mac OS. All Apple systems ship with QuickTime already installed, as it represents the core media framework for Mac OS X. QuickTime is optional for Windows systems, although many software applications require it. Apple bundles it with each iTunes for Windows download, but it is also available as a standalone installation. API redirects here. ... A file format is a particular way to encode information for storage in a computer file. ... A container format is a computer file format that can contain various types of data, compressed by means of standardized codecs. ... Apple marketed its operating system software as Mac OS, beginning in 1997. ... This article is about the iTunes application. ...


Software development kits (SDKs) for QuickTime are available to the public with a free Apple Developer Connection (ADC) subscription. A software development kit (SDK or devkit) is typically a set of development tools that allows a software engineer to create applications for a certain software package, software framework, hardware platform, computer system, video game console, operating system, or similar. ... The Apple Developer Connection is Apple Computers developer network. ...


QuickTime players

QuickTime is distributed free of charge. Some other free player applications that rely on the QuickTime framework provide features not available in the basic QuickTime Player. For example:

  • iTunes can export audio in WAV, AIFF, MP3, AAC, and Apple Lossless.
  • In Mac OS X, a simple AppleScript can be used to play a movie in full-screen mode.[1] However, since version 7.2 the QuickTime Player now also supports full-screen viewing in the non-pro version.[2]

Any application can be written to access features provided by the QuickTime framework. WAV (or WAVE), short for Waveform audio format, is a Microsoft and IBM audio file format standard for storing audio on PCs. ... Audio Interchange File Format (AIFF) is an audio file format standard used for storing sound data on personal computers. ... For other uses, see MP3 (disambiguation). ... Advanced Audio Coding (AAC) is a standardized, lossy compression and encoding scheme for digital audio. ... Apple Lossless (also known as Apple Lossless Encoder, ALE, or Apple Lossless Audio Codec, ALAC) is an audio codec developed by Apple Inc. ... AppleScript is a scripting language devised by Apple, Inc. ...


QuickTime Pro

The included QuickTime Player is limited to only the most basic playback operations unless the user purchases a QuickTime Pro license key, which Apple sells for US$29.95. Apple's "ProApplications" (e.g. Logic Studio) come with a free QuickTime Pro license. Pro keys are specific to the major version of QuickTime for which they are purchased. The Pro key unlocks additional features of the QuickTime Player application on Mac OS X or Windows (although most of these can be accessed simply by using players, video editors or miscellaneous utilities from other sources).[3] Use of the Pro key does not entail any additional downloads. The United States dollar is the official currency of the United States. ... Logic Studio is a music production suite by Apple Inc. ...


Features enabled by the Pro license include, but are not limited to:

  • Editing clips through the Cut, Copy and Paste functions, merging separate audio and video tracks, and freely placing the video tracks on a virtual canvas with the options of cropping and rotation.
  • Saving and exporting (encoding) to any of the codecs supported by QuickTime. QuickTime 7 includes presets for exporting video to a video-capable iPod, Apple TV, and the iPhone.
  • Saving existing QuickTime Movies (*.mov) from the web directly to a hard disk drive (HDD). (This is often, but not always, either hidden or intentionally blocked in the standard mode. A download manager can often work around the block.

An encoder is a device used to encode a signal (such as a bitstream) or data into a form that is acceptable for transmission or storage. ... A video codec is a device or software that enables video compression and or decompression for digital video. ... iPod is a brand of portable media players designed and marketed by Apple Inc. ... Apple TV is a digital media receiver designed, marketed and sold by Apple. ... For the Internet appliance line, see Linksys iPhone. ... A download manager is a computer program designed to download files from the Internet, unlike a web browser, which is mainly intended to browse webpages on the World Wide Web (with file downloading being of secondary importance). ...

QuickTime framework

The QuickTime framework provides the following:

  • Encoding and transcoding video and audio from one format to another.
  • Decoding video and audio, then sending the decoded stream to the graphics or audio subsystem for playback. In Mac OS X, QuickTime sends video playback to the Quartz Extreme (OpenGL) Compositor.[4]
  • A plug-in architecture for supporting additional codecs (such as DivX).

As of early 2008 the framework hides many of the older codecs below from view. Users must choose "Show legacy encoders" in QuickTime Preferences to use them.[5] The framework supports the following file types and codecs natively:[6] In telecommunication, transcoding is the direct digital-to-digital conversion from one encoding scheme, such as voice LPC-10, to a different encoding scheme without returning the signals to analog form. ... Quartz Compositor is the windowing system that is responsible for the user interface in Mac OS X. On a Mac OS X system, the Quartz Compositor can be seen in a process list as Window Manager or, in more recent versions, WindowServer. ... This article is about the video codec. ...


Audio

  • Apple Lossless
  • Audio Interchange (AIFF)
  • Digital Audio: Audio CD - 16-bit (CDDA), 24-bit, 32-bit integer & floating point, and 64-bit floating point
  • MIDI
  • MPEG-1 Layer 3 Audio (.mp3)
  • MPEG-4 AAC Audio (.m4a, .m4b, .m4p)
  • QDesign Music
  • Qualcomm PureVoice (QCELP)
  • Sun AU Audio
  • ULAW and ALAW Audio
  • Waveform Audio (WAV)

Audio Interchange File Format (AIFF) is an audio file format standard used for storing sound data on personal computers. ... Rainbow Books: Red Book (CD Digital Audio), Yellow Book (CD-ROM and CD-ROM XA), Orange Book (CD_R and CD-RW), White Book (Video CD), Blue Book (Enhanced Music CD, CD+G and CD-Plus), Beige Book (Photo CD), Green Book (CD-i). ... Musical Instrument Digital Interface, or MIDI, is a system designed to transmit information between electronic musical instruments. ... The QDesign Music Codec was originally LBpack, by Dmitry Shmunk. ... QCELP is a speech codec developed in 1994 to increase the speech quality of the IS-96A codec used earlier in CDMA networks. ... The Au file format is a simple audio file format that consists of a header of 6 32-bit words and then the data (high-order byte comes first). ... In telecommunication, a mu-law algorithm (μ-law) is a standard analog signal compression or companding algorithm, used in digital communications systems of the North American and Japanese digital hierarchies, to optimize, , modify, the dynamic range of an audio analog signal prior to digitizing. ... Graph of μ-law & A-law algorithms An a-law algorithm is a standard companding algorithm, used in European digital communications systems to optimize, modify, the dynamic range of an analog signal for digitizing. ... WAV (or WAVE), short for Waveform audio format, is a Microsoft and IBM audio file format standard for storing audio on PCs. ...

Video

  • 3GPP & 3GPP2 file formats
  • AVI file format
  • Bitmap (BMP) codec and file format
  • DV file (DV NTSC/PAL and DVC Pro NTSC/PAL codecs)
  • Flash & FlashPix files
  • GIF and Animated GIF files
  • H.261, H.263, and H.264 codecs
  • JPEG, Photo JPEG, and JPEG-2000 codecs and file formats
  • MPEG-1, MPEG-2, and MPEG-4 Video file formats and associated codecs (such as AVC)
  • Quartz Composer Composition (.qtz, Mac OS X only)
  • QuickTime Movie (.mov) and QTVR movies
  • Sorenson Video 2 and 3 codecs
  • Other video codecs: Apple Video, Cinepak, Component Video, Graphics, and Planar RGB
  • Other still image formats: PNG, TIFF, and TGA
  • Cached information from streams: QTCH

Look up Avi in Wiktionary, the free dictionary. ... The BMP file format, sometimes called bitmap or DIB file format (for device-independent bitmap), is an image file format used to store bitmap digital images, especially on Microsoft Windows and OS/2 operating systems. ... An example of a GIF image. ... H.261 is an 1990 ITU video coding standard originally designed for transmission over ISDN lines on which data rates are multiples of 64 kbit/s. ... H.263 is a video codec designed by the ITU-T as a low-bitrate encoding solution for videoconferencing. ... H.264 is a high compression digital video codec standard written by the ITU-T Video Coding Experts Group (VCEG) together with the ISO/IEC Moving Picture Experts Group (MPEG) as the product of a collective partnership effort known as the Joint Video Team (JVT). ... H.264 is a standard for video compression. ... QuickTime VR (virtual reality) (also known as QTVR) is a type of image file format supported by Apples QuickTime. ... The Sorenson codec (also known as Sorenson Video Codec 3 or SVQ3) is a digital video codec devised by the company Sorenson Media and used by Apples QuickTime and the newest version of Macromedia Flash, a special version called Sorenson Spark. ... Streaming media is multimedia that is continuously received by, and normally displayed to, the end-user while it is being delivered by the provider. ... // Is a filetype used by QuickTime to store (cache) audio or video files streamed from a server on the clients computer hard drive. ...

QuickTime file format

QuickTime Movie
File name extension .mov
.qt
Internet media type video/quicktime
Type code MooV
Uniform Type Identifier com.apple.quicktime-movie
Developed by Apple Inc.
Type of format Media container
Container for Audio, video, text

The QuickTime (.mov) file format functions as a multimedia container file that contains one or more tracks, each of which stores a particular type of data: audio, video, effects, or text (for subtitles, for example). Each track either contains a digitally-encoded media stream (using a specific codec) or a data reference to the media stream located in another file. Tracks are maintained in a hierarchal data structure consisting of objects called atoms. An atom can be a parent to other atoms or it can contain media or edit data, but it cannot do both.[7] A filename extension is a suffix to the name of a computer file applied to indicate its type. ... An Internet media type,[1] originally called a MIME type after MIME and sometimes a Content-type after the name of a header in several protocols whose value is such a type, is a two-part identifier for file formats on the Internet. ... A type code is a mechanism used in pre-Mac OS X versions of the Macintosh operating system to denote a files format, in a manner similar to file extensions in other operating systems. ... A Uniform Type Identifier (UTI) is a string that uniquely identifies the type of a class of items. ... Apple Inc. ... A container format is a computer file format that can contain various types of data, compressed by means of standardized codecs. ... A container format is a computer file format that can contain various types of data, compressed by means of standardized codecs. ...


The ability to contain abstract data references for the media data, and the separation of the media data from the media offsets and the track edit lists means that QuickTime is particularly suited for editing, as it is capable of importing and editing in place (without data copying). Other later-developed media container formats such as Microsoft's Advanced Systems Format or the open source Ogg and Matroska containers lack this abstraction, and require all media data to be rewritten after editing. Advanced Systems Format (formerly Advanced Streaming Format, Active Streaming Format) is Microsofts proprietary digital audio/digital video container format, especially meant for streaming media. ... Open source refers to projects that are open to the public and which draw on other projects that are freely available to the general public. ... Ogg is an open standard for a free container format for digital multimedia, unrestricted by software patents and designed for efficient streaming and manipulation. ... The Matroska Multimedia Container is an open standard free Container format, a file format that can hold an unlimited number of video, audio, picture or subtitle tracks inside a single file. ...


Other file formats that QuickTime supports natively (to varying degrees) include AIFF, WAV, DV, MP3, and MPEG-1. With additional QuickTime Extensions, it can also support Ogg, ASF, FLV, MKV, DivX Media Format, and others. MPEG-1 was an early standard for lossy compression of video and audio. ... Ogg is an open standard for a free container format for digital multimedia, unrestricted by software patents and designed for efficient streaming and manipulation. ... Advanced Systems Format (formerly Advanced Streaming Format, Active Streaming Format) is Microsofts proprietary digital audio/digital video container format, especially meant for streaming media. ... FLV (Flash Video) is a proprietary file format used to deliver video over the Internet using Adobe Flash Player (formerly known as Macromedia Flash Player) version 6, 7, 8, or 9. ... Matroska is a project to develop an open source multimedia container format similar to Apples QuickTime or Microsofts Advanced Streaming Format. ... This article is about the video codec. ...


QuickTime and MPEG-4

To create an MP4 file, choose MPEG-4 in the Export dialog.

On February 11, 1998 the ISO approved the QuickTime file format as the basis of the MPEG-4 Part 14 (.mp4) container standard. By 2000, MPEG-4 Part 14 became an industry standard, first appearing with support in QuickTime 6 in 2002. Accordingly, the MPEG-4 container is designed to capture, edit, archive, and distribute media, unlike the simple file-as-stream approach of MPEG-1 and MPEG-2.[8] Image File history File links QuickTimeMPEG4Export. ... Image File history File links QuickTimeMPEG4Export. ... MP4 can refer to: MPEG-4 Part 14 file format Møller-Plesset perturbation theory of the fourth order This is a disambiguation page — a navigational aid which lists pages that might otherwise share the same title. ... is the 42nd day of the year in the Gregorian calendar. ... Year 1998 (MCMXCVIII) was a common year starting on Thursday (link will display full 1998 Gregorian calendar). ... “ISO” redirects here. ... For other parts of the MPEG-4 standard, see MPEG-4. ... Year 2000 (MM) was a leap year starting on Saturday. ... Also see: 2002 (number). ... Archive of the AMVC An archive refers to a collection of historical records, and also refers to the location in which these records are kept. ... Wikibooks [[wikibooks:|]] has more about this subject: Marketing Distribution (or placement) is one of the four aspects of marketing. ... MPEG-2 is a standard for the generic coding of moving pictures and associated audio information [1]. It is widely used around the world to specify the format of the digital television signals that are broadcast by terrestrial (over-the-air), cable, and direct broadcast satellite TV systems. ...


Profile Support

QuickTime 6 added limited support for MPEG-4; specifically encoding and decoding using Simple Profile (SP). Advanced Simple Profile (ASP) features, like B-frames, were unsupported (in contrast with, for example, encoders such as XviD or 3ivx). QuickTime 7 supports the H.264 encoder and decoder.[9] The three major picture types found in typical video compression designs are I(ntra) pictures, P(redicted) pictures, and B(i-predictive) pictures (or B(i-directional) pictures). ... Xvid (formerly XviD) is a video codec library following the MPEG-4 standard. ... 3ivx is a video codec created by 3ivx Technologies. ...


Container benefits

Use Passthrough to change to the MP4 container without re-encoding the stream.
Use Passthrough to change to the MP4 container without re-encoding the stream.

Because both the MOV and MP4 containers can use the same MPEG-4 codecs, they are mostly interchangeable in a QuickTime-only environment. However, MP4, being an international standard, has more support. This is especially true on hardware devices, such as the Sony PSP and various DVD players; on the software side, most DirectShow / Video for Windows codec packs[10][11] include an MP4 parser, but not one for MOV. Image File history File links QuickTimePassthrough. ... Image File history File links QuickTimePassthrough. ... The finished PlayStation Portable, and a variety of accessories. ... Logo of the DirectX Media SDK - the first time DirectShow was distributed under its current name. ... Video for Windows was a multimedia technology developed by Microsoft that allowed Microsoft Windows to play digital video. ...


In QuickTime Pro's MPEG-4 Export dialog, an option called "Passthrough" allows a clean export to MP4 without affecting the audio or video streams. One recent discrepancy ushered in by QuickTime 7 is that the MOV file format now supports multichannel audio (used, for example, in the high-definition trailers on Apple's site[12]), while QuickTime's support for audio in the MP4 container is limited to stereo.[citation needed] Therefore multichannel audio must be re-encoded during MP4 export.[citation needed]


History

Apple released the first version of QuickTime on December 2, 1991 as a multimedia add-on for System Software 6 and later. The lead developer of QuickTime, Bruce Leak, ran the first public demonstration at the May 1991 Worldwide Developers Conference, where he played Apple's famous 1984 TV commercial on a Mac, at the time an astounding technological breakthrough. Microsoft's competing technology — Video for Windows — did not appear until November 1992. is the 336th day of the year (337th in leap years) in the Gregorian calendar. ... Year 1991 (MCMXCI) was a common year starting on Tuesday (link will display full calendar) of the Gregorian Calendar. ... Look up Multimedia in Wiktionary, the free dictionary. ... This article is about the Macintosh operating system version. ... A graduate of Stanford University, Bruce Leak was the engineering team leader of the first version of QuickTime by Apple Computer. ... WWDC 2005, at Moscone Center The Worldwide Developers Conference, commonly abbreviated WWDC, is an annual trade show for Apple developers. ... A screenshot from the commercial. ... Microsoft Corporation, (NASDAQ: MSFT, HKSE: 4338) is a multinational computer technology corporation with global annual revenue of US$44. ... Video for Windows was a multimedia technology developed by Microsoft that allowed Microsoft Windows to play digital video. ...

QuickTime platform compatibility
Macintosh
OS Latest version
System 6.0.0-System 6.0.6 1.x or 2.x?[citation needed]
System 6.0.7-System 7.0.1 2.5
(68K) System 7.1-8.1 4.0.3
(PPC) System 7.1.2-[System 7.5.3] 4.0.3
(PPC) System 7.5.5-8.5.1 5.0.5
Mac OS 8.6-9.2.2 6.0.3
Mac OS 10.0.4 5.0 (bundled)
Mac OS 10.1.5 6.3.1
Mac OS 10.2.8 6.5.3
Mac OS 10.3.9 7.5 (current)
Mac OS 10.4.11 7.5 (current)
Mac OS 10.5.2 7.5 (current)
Windows
OS Latest version
Windows 3.1x/Windows NT 3.1-3.5 2.1.2
Windows NT 3.51 2.1.2
Windows 95 5.0.5
Windows NT 4.0 6.1
Windows 98/ME 6.5.2
Windows 2000 7.1.6
Windows XP/Vista 7.5 (current)

Mac OS 8 is a series of versions of the Mac OS that supported a transition through major changes in the Macintosh hardware platform. ... Mac OS 8 is a series of versions of the Mac OS that supported a transition through major changes in the Macintosh hardware platform. ... Mac OS 8 is a series of versions of the Mac OS that supported a transition through major changes in the Macintosh hardware platform. ... Sherlock 2 for Mac OS 9 with the new metallic appearance Mac OS 9 is the final major release of Apples Classic Mac OS. Introduced on October 23, 1999, Apple positioned it as The Best Internet Operating System Ever, highlighting Sherlock 2s Internet search capabilities, integration with Apple... Mac OS X version 10. ... Mac OS X version 10. ... Mac OS X version 10. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Mac OS X version 10. ... Mac OS X version 10. ... A typical Windows 3. ... Windows NT 3. ... Windows NT 3. ... Windows NT 3. ... Windows 95 is a consumer-oriented graphical user interface-based operating system. ... Windows NT 4. ... Windows 98 (codenamed Memphis) is a graphical operating system released on June 25, 1998 by Microsoft and the successor to Windows 95. ... Windows Millennium Edition, or Windows Me (IPA pronunciation: [miː], [ɛm iː]), is a hybrid 16-bit/32-bit graphical operating system released on September 14, 2000 by Microsoft. ... Windows 2000 (also referred to as Win2K) is a preemptive, interruptible, graphical and business-oriented operating system designed to work with either uniprocessor or symmetric multi-processor computers. ... Windows XP is a line of operating systems developed by Microsoft for use on personal computers, including home and business desktops, notebook computers, and media centers. ... Windows Vista (pronounced ) is a line of operating systems developed by Microsoft for use on personal computers, including home and business desktops, laptops, Tablet PCs, and media centers. ...

QuickTime 1.x

That first version of QuickTime laid down the basic architecture which survives essentially unchanged today, including multiple movie tracks, extensible media type support, an open-ended file format, and a full complement of editing functions. The original video codecs included: A codec is a device or program capable of encoding and/or decoding a digital data stream or signal. ...

  • the Apple Video codec (also known as "Road Pizza"), suited to normal live-action video
  • the Animation codec, which used simple run-length encoding and better suited cartoon-type images with large areas of flat color
  • the Graphics codec, optimized for 8-bit images, including ones that had undergone dithering

The first commercial project produced using QuickTime 1.0 was the CD-ROM From Alice to Ocean. The first publicly visible use of QuickTime was Ben & Jerry's interactive factory tour (dubbed The Rik & Joe Show after its in-house developers). The Rik and Joe Show was demonstrated onstage at MacWorld in San Francisco when John Sculley announced QuickTime. Run-length encoding (RLE) is a very simple form of data compression in which runs of data (that is, sequences in which the same data value occurs in many consecutive data elements) are stored as a single data value and count, rather than as the original run. ... This article or section should be merged with Dither An illustration of dithering. ... Ben & Jerrys is a brand of ice cream, frozen yogurt, sorbet, and ice cream novelty products, manufactured by Ben & Jerrys Homemade Holdings, Inc. ... John Sculley (born April 6, 1939) was a vice-president (1970-1977) and president of PepsiCo (1977-1983), until he became CEO of Apple on April 8, 1983, a position he held until leaving in 1993. ...


Apple released QuickTime 1.5 for Mac OS in the latter part of 1992. This added the SuperMac-developed Cinepak vector-quantization video codec (initially known as Compact Video), which managed the previously unheard-of feat of playing back video at 320×240 resolution at 30 frames per second on a 25 MHz 68040 CPU. It also added text tracks, which allowed for things like captioning, lyrics, etc., at very little addition to the size of a movie. Umax Technologies is a manufacturer of computer products including scanners, mice, flash drives and computer networking products. ...


In an effort to increase the adoption of QuickTime, Apple contracted an outside company, San Francisco Canyon Company, to port QuickTime to the Windows platform. Version 1.0 of QuickTime for Windows provided only a subset of the full QuickTime API, including only movie playback functions driven through the standard movie controller. San Francisco Canyon Company was a software developer company that were contracted by Apple Computer in 1992 to port the QuickTime technology to Microsoft Windows. ...


QuickTime 1.6.x came out the following year. Version 1.6.2 first incorporated the "QuickTime PowerPlug" which replaced some components with PowerPC-native code when running on PowerPC Macs. PowerPC is a RISC microprocessor architecture created by the 1991 Apple–IBM–Motorola alliance, known as AIM. Originally intended for personal computers, PowerPC CPUs have since become popular embedded and high-performance processors as well. ...


QuickTime 2.x

Apple released QuickTime 2.0 for Mac OS in February 1994 — the only version never released for free. It added support for music tracks, which contained the equivalent of MIDI data and which could drive a sound-synthesis engine built into QuickTime itself (using a limited set of instrument sounds licensed from Roland), or any external MIDI-compatible hardware, thereby producing sounds using only small amounts of movie data. Musical Instrument Digital Interface, or MIDI, is a system designed to transmit information between electronic musical instruments. ... Roland Corporation ) TYO: 7944 is a Japanese manufacturer of electronic musical instruments, electronic equipment and software. ...


Following Bruce Leak's departure to Web TV the leadership of the QuickTime team was taken over by Peter Hoddie. A graduate of Stanford University, Bruce Leak was the engineering team leader of the first version of QuickTime by Apple Computer. ... This article or section does not adequately cite its references or sources. ...


QuickTime 2.0 for Windows appeared in November 1994 under the leadership of Paul Charlton. As part of the development effort for cross-platform QuickTime, Charlton and technical lead Michael Kellner ported a subset of the Macintosh Toolbox to Intel and other platforms (notably, MIPS and SGI Unix variants) as the enabling infrastructure for the QuickTime Media Layer (QTML) which was first demonstrated at the Apple WorldWide Developer Conference (WWDC) in May of 1996. The QTML later became the foundation for the Carbon API which allowed legacy Macintosh applications to run on the Darwin kernel in Mac OS X. Paul Charlton (b. ... The Worldwide Developers Conference is an annual trade show for Apple developers. ...


The next versions, 2.1 and 2.5, reverted to the previous model of giving QuickTime away for free. They improved the music support and added sprite tracks which allowed the creation of complex animations with the addition of little more than the static sprite images to the size of the movie. QuickTime 2.5 also fully integrated QuickTime VR 2.0.1 into QuickTime as a QuickTime extension. On January 16, 1997, Apple released the QuickTime MPEG Extension (PPC only) as an add-on to QuickTime 2.5, which added software MPEG-1 playback capabilities to QuickTime. In computer graphics, a sprite is a two-dimensional image or animation that is integrated into a larger scene. ... QuickTime VR (virtual reality) (also known as QTVR) is a type of image file format supported by Apples QuickTime. ...


QuickTime 3.x

The release of QuickTime 3.0 for Mac OS on March 30, 1998 introduced the now-standard revenue model of releasing the software for free, but with additional features of the Apple-provided MoviePlayer application that end-users could only unlock by buying a QuickTime Pro license code. Since the "Pro" features were the same as the existing features in QuickTime 2.5, any previous user of QuickTime could continue to use an older version of the central MoviePlayer application for the remaining lifespan of Mac OS to 2002; indeed, since these additional features were limited to MoviePlayer, any other QuickTime-compatible application remained unaffected. is the 89th day of the year (90th in leap years) in the Gregorian calendar. ... Year 1998 (MCMXCVIII) was a common year starting on Thursday (link will display full 1998 Gregorian calendar). ... To licence or grant licence is to give permission. ...


QuickTime 3.0 added support for graphics importer components that could read images from GIF, JPEG, TIFF and other file formats, and video output components which served primarily to export movie data via FireWire. Apple also licensed several third-party technologies for inclusion in QuickTime 3.0, including the Sorenson Video codec for advanced video compression, the QDesign Music codec for substantial audio compression, and the complete Roland Sound Canvas instrument set and GS Format extensions for improved playback of MIDI music files. It also added video effects which programmers could apply in real-time to video tracks. Some of these effects would even respond to mouse clicks by the user, as part of the new movie interaction support (known as wired movies). An example of a GIF image. ... This article is about TIFF, the computer image format. ... The Sorenson codec (also known as Sorenson Video Codec, Sorenson Video Quantizer or SVQ) is a digital video codec devised by the company Sorenson Media and used by Apples QuickTime and the newest version of Macromedia Flash, a special version called Sorenson Spark. ... The QDesign Music Codec was originally LBpack, by Dmitry Shmunk. ... ‹ The template below has been proposed for deletion. ...


QuickTime interactive

During the development cycle for QuickTime 3.0 part of the engineering team was working on a more advanced version of QuickTime to be known as QuickTime interactive or QTi. Although similar in concept to the wired movies feature released as part of QuickTime 3.0, QuickTime interactive was much more ambitious. It allowed any QuickTime movie to be a fully interactive and programmable container for media. A special track type was added that contained an interpreter for a custom programming language based on 68000 assembly language. This supported a comprehensive user interaction model for mouse and keyboard event handling based in part on the AML language from the Apple Media Tool. An assembly language is a low-level language for programming computers. ... The Apple Media Tool was a multimedia authoring tool and associated programming environment sold by Apple in the late 1990s. ...


The QuickTime interactive movie was to have been the playback format for the next generation of HyperCard authoring tool. Unfortunately both the QuickTime interactive and the HyperCard 3.0 projects were canceled in order to concentrate engineering resources on streaming support for QuickTime 4.0, and the projects were never released to the public. HyperCard was an application program from Apple Computer that was among the first successful hypermedia systems before the World Wide Web. ...


QuickTime 4.x

Apple released QuickTime 4.0 on June 8, 1999[13] for Mac OS 7.5.5 through 8.6 (later Mac OS 9) and Windows 95, Windows 98, and Windows NT. Three minor updates (versions 4.0.1, 4.0.2, and 4.0.3) followed.[14] It introduced features that most users now consider basic:[15] is the 159th day of the year (160th in leap years) in the Gregorian calendar. ... Events of 2008: (EMILY) Me Lesley and MIley are going to China! This article is about the year. ... Sherlock 2 for Mac OS 9 with the new metallic appearance Mac OS 9 is the final major release of Apples Classic Mac OS. Introduced on October 23, 1999, Apple positioned it as The Best Internet Operating System Ever, highlighting Sherlock 2s Internet search capabilities, integration with Apple... Windows 95 is a consumer-oriented graphical user interface-based operating system. ... Windows 98 (codenamed Memphis) is a graphical operating system released on June 25, 1998 by Microsoft and the successor to Windows 95. ... Windows NT (New Technology) is a family of operating systems produced by Microsoft, the first version of which was released in July 1993. ...

  • Graphics exporter components, which could write some of the same formats that the previously-introduced importers could read. (GIF support was omitted, possibly because of the LZW patent.)
  • Support for the QDesign Music 2 and MPEG-1 Layer 3 audio (MP3)
  • QuickTime 4 was the first version to support streaming. It was accompanied by the release of the free QuickTime Streaming Server version 1.0.

On December 17, 1999, Apple provided QuickTime 4.1, this version's first major update.[16] Two minor versions (4.1.1 and 4.1.2) followed.[17] The most notable improvements in the 4.1.x family were:[18] LZW (Lempel-Ziv-Welch) is an implementation of a lossless data compression algorithm created by Abraham Lempel and Jacob Ziv. ... Streaming media is multimedia that is continuously received by, and normally displayed to, the end-user while it is being delivered by the provider. ... QuickTime Streaming Server (QTSS) is a server or service daemon built into Apple Computers Mac OS X Server that delivers video and audio on request to users over a computer network or the Internet. ... December 17 is the 351st day of the year (352nd in leap years) in the Gregorian calendar. ... Events of 2008: (EMILY) Me Lesley and MIley are going to China! This article is about the year. ...

  • Support for files larger than 2.0 GB in Mac OS 9. (This is a consequence of Mac OS 9 requiring the HFS Plus filesystem.)
  • Variable bit rate (VBR) support for MPEG-1 Layer 3 (MP3) audio
  • Support for Synchronized Multimedia Integration Language (SMIL)
  • Introduction of AppleScript support in Mac OS
  • The requirement of a PowerPC processor for Mac OS systems. QuickTime 4.1 dropped support for Motorola 68k Macintosh systems.

A gigabyte (symbol GB) is a unit of measurement in computers of one thousand million bytes (the same as one billion bytes in the short scale usage). ... HFS Plus or HFS+ is a file system developed by Apple Computer to replace their Hierarchical File System (HFS) as the primary file system used on Macintosh computers. ... Variable bit rate (VBR) is a term used in telecommunications and computing that relates to sound or video quality. ... SMIL (pronounced smile), the Synchronized Multimedia Integration Language, is a W3C recommended XML markup language for describing multimedia presentations. ... The Motorola 680x0/0x0/m68k/68k/68K family of CISC microprocessor CPU chips were 32-bit from the start, and were the primary competition for the Intel x86 family of chips in personal computers of the 1980s and early 1990s. ...

QuickTime 5.x

QuickTime 5 was one of the shortest-lived versions of QuickTime, released in April 2001 and superseded by QuickTime 6 a little over a year later. This version was the last to have greater capabilities under Mac OS 9 than under Mac OS X, and the last version of QuickTime to support Mac OS versions 7.5.5 through 8.5.1 on a PowerPC Mac and Windows 95. Version 5.0 was initially only released for Mac OS and Mac OS X on April 14, 2001, and version 5.0.1 followed shortly thereafter on April 23, 2001, supporting Mac OS, Mac OS X, and Windows.[19] Three more updates to QuickTime 5 (versions 5.0.2, 5.0.4, and 5.0.5) were released over its short lifespan. This article is about the year. ... is the 104th day of the year (105th in leap years) in the Gregorian calendar. ... This article is about the year. ... is the 113th day of the year (114th in leap years) in the Gregorian calendar. ... This article is about the year. ...


QuickTime 5 delivered the following enhancements:[20]

  • MPEG-1 playback for Windows, and updated MPEG-1 Layer 3 audio support for all systems.
  • Sorenson Video 3 (based on H.264) playback and export (added with the 5.0.2 update).
  • Realtime rendering of effects & transitions in DV files, including enhancements to DV rendering, multiprocessor support, and Altivec enhancements for PowerPC G4 systems.
  • Flash 4 playback and export.
  • A new QuickTime VR engine, adding support for cubic VR panoramas.

PowerPC G4 is a designation used by Apple Computer to describe a fourth generation of PowerPC microprocessors. ... // == Macromedia Flash == ==]] Using Macromedia Flash 8 (bundled in Studio 8) in Windows XP. Maintainer: Adobe Systems (formerly Macromedia) Latest release: 8 / September 30th, 2005 OS: Windows (no native Windows XP Professional x64 Edition support), Mac OS X, Linux (i386 only, via wine [1]) Use: Multimedia Content Creator License: Proprietary Website...

QuickTime 6.x

On July 15, 2002, Apple released QuickTime 6.0, providing the following features:[21] is the 196th day of the year (197th in leap years) in the Gregorian calendar. ... Also see: 2002 (number). ...

  • MPEG-4 playback, import, and export, including MPEG-4 Part 2 video and AAC Audio.
  • Support for Flash 5, JPEG 2000, and improved Exif handling
  • Instant-on streaming playback
  • MPEG-2 playback (via the purchase of Apple's MPEG-2 Playback Component)
  • Scriptable ActiveX control

QuickTime 6 was initially available for Mac OS 8.6 - 9.x, Mac OS X (10.1.5 minimum), and Windows 98, Me, 2000, and XP. However, development of QuickTime 6 for Mac OS slowed considerably in early 2003, after the release of Mac OS X v10.2 in August 2002. QuickTime 6 for Mac OS continued on the 6.0.x path, eventually stopping with version 6.0.3.[22] MPEG-4 is a collection of methods defining compression of audio and visual (AV) digital data. ... MPEG-4 Part 2 is a video compression technology developed by MPEG. It belongs to the MPEG-4 ISO/IEC standard (ISO/IEC 14496-2). ... Advanced Audio Coding (AAC) is a standardized, lossy compression and encoding scheme for digital audio. ... JPEG 2000 is a wavelet-based image compression standard. ... Exchangeable image file format (Exif) is a specification for the image file format used by digital cameras. ... ActiveX is Microsoft technology used for developing reusable object oriented software components. ... Mac OS X version 10. ... Also see: 2002 (number). ...


QuickTime 6.1 & 6.1.1 for Mac OS X v10.1 and Mac OS X v10.2 (released October 22, 2002)[23] and QuickTime 6.1 for Windows (released March 31, 2003)[24] offered ISO-Compliant MPEG-4 file creation and fixed the CAN-2003-0168 vulnerability. Mac OS X version 10. ... is the 295th day of the year (296th in leap years) in the Gregorian calendar. ... Also see: 2002 (number). ... is the 90th day of the year (91st in leap years) in the Gregorian calendar. ... Year 2003 (MMIII) was a common year starting on Wednesday of the Gregorian calendar. ... This is an incomplete list of ISO standards. ...


Apple released QuickTime 6.2 exclusively for Mac OS X on April 29, 2003 to provide support for iTunes 4, which allowed AAC encoding for songs in the iTunes library.[25] (iTunes was not available for Windows until October 2003.) is the 119th day of the year (120th in leap years) in the Gregorian calendar. ... Year 2003 (MMIII) was a common year starting on Wednesday of the Gregorian calendar. ... Year 2003 (MMIII) was a common year starting on Wednesday of the Gregorian calendar. ...


On June 3, 2003, Apple released QuickTime 6.3, delivering the following:[26]-1... Year 2003 (MMIII) was a common year starting on Wednesday of the Gregorian calendar. ...

  • Support for 3GPP, including 3G Text, video, and audio (AAC and AMR codecs)
  • Support for the .3gp, .amr, and .sdv file formats via separate component

QuickTime 6.4, released on October 16, 2003 for Mac OS X v10.2, Mac OS X v10.3, and Windows, added the following:[27] This article or section does not adequately cite its references or sources. ... 3G is the third generation of mobile phone standards and technology, superseding 2G. It is based on the International Telecommunication Union (ITU) family of standards under the International Mobile Telecommunications programme, IMT-2000. ... Adaptive Multi-Rate (AMR) is a Audio data compression scheme optimized for speech coding. ... is the 289th day of the year (290th in leap years) in the Gregorian calendar. ... Year 2003 (MMIII) was a common year starting on Wednesday of the Gregorian calendar. ... To meet Wikipedias quality standards, this article or section may require cleanup. ...

  • Addition of the Apple Pixlet codec (only for Mac OS X v10.3 and later)
  • ColorSync support
  • Integrated 3GPP

On December 18, 2003, Apple released QuickTime 6.5, supporting the same systems as version 6.4. Versions 6.5.1 and 6.5.2 followed on April 28, 2004 and October 27, 2004. These versions would be the last to support Windows 98 and Me. The 6.5 family added the following features:[28] Pixlet is a video codec created by Apple Computer and based on wavelets, designed to enable viewing of full resolution, high resolution movies in real time at low DV data rates. ... ColorSync is Apples color management API for the Mac OS and Mac OS X. // Apple developed the original 1. ... This article or section does not adequately cite its references or sources. ... is the 352nd day of the year (353rd in leap years) in the Gregorian calendar. ... Year 2003 (MMIII) was a common year starting on Wednesday of the Gregorian calendar. ... is the 118th day of the year (119th in leap years) in the Gregorian calendar. ... Year 2004 (MMIV) was a leap year starting on Thursday of the Gregorian calendar. ... is the 300th day of the year (301st in leap years) in the Gregorian calendar. ... Year 2004 (MMIV) was a leap year starting on Thursday of the Gregorian calendar. ...

  • 3GPP2 and AMC mobile multimedia formats
  • QCELP voice code
  • Apple Lossless (in version 6.5.1)

QuickTime 6.5.3 was released on October 12, 2005 for Mac OS X v10.2.8 after the release of QuickTime 7.0, fixing a number of security issues. The 3rd Generation Partnership Project 2 (3GPP2) is a collaboration agreement that was established in December 1998. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... QCELP is a speech codec developed in 1994 to increase the speech quality of the IS-96A codec used earlier in CDMA networks. ... is the 285th day of the year (286th in leap years) in the Gregorian calendar. ... Year 2005 (MMV) was a common year starting on Saturday (link displays full calendar) of the Gregorian calendar. ...


QuickTime 7.x

QuickTime 7 represents one of the largest architectural changes to the QuickTime lineage since its first version.[citation needed] Initially released on April 29, 2005 in conjunction with Mac OS X v10.4 (for version 10.3.9 and 10.4.x), QuickTime 7.0 featured the following:[29][30] is the 119th day of the year (120th in leap years) in the Gregorian calendar. ... Year 2005 (MMV) was a common year starting on Saturday (link displays full calendar) of the Gregorian calendar. ... Mac OS X version 10. ...

  • Improved MPEG-4 compliance.
  • H.264/MPEG-4 AVC codec.
  • Core Graphics (Quartz) for screen drawing, allowing for live resizing and playback on an OpenGL surface
  • Core Audio replacing Sound Manager, supporting high resolution sound[31]
  • Support for using Core Image filters in Mac OS X v10.4 on live video, also known as Core Video
  • Support for Quartz Composer (.qtz) animations
  • Support for distinct decode order and display order
  • The QTKit, a Cocoa framework for QuickTime

After a couple of preview Windows releases,[32] Apple released 7.0.2 as the first stable release on September 7, 2005 for Windows 2000 and Windows XP. Version 7.0.4, released on January 10, 2006 was the first universal binary version. But it suffered numerous bugs, including a buffer overrun, which is more problematic to most users. H.264 is a standard for video compression. ... Quartz is the marketing name of the proprietary graphics layer that sits on top of the open source Darwin core of Mac OS X. Quartz is part of the Core Graphics framework. ... OpenGL (Open Graphics Library) is a standard specification defining a cross-language cross-platform API for writing applications that produce 2D and 3D computer graphics. ... Apples Core Audio interfaces Core Audio is a fairly low-level API for dealing with sound in Apples Mac OS X operating system. ... The Sound Manager is a part of the classic Apple Macintosh operating system, in Mac OS. It is used to control the production and manipulation of sounds on Macintosh computers. ... Core Image is a pixel-accurate, non-destructive image processing and rendering framework for Mac OS X. As part of the QuartzCore framework, it extends the rendering capabilities of Quartz with its plugin-based architecture for applying filters and effects. ... Core Video is a new pipeline model for digital video in Mac OS X. Partitioning the processing into discrete steps makes it simpler for developers to access and manipulate individual frames without having to worry about translating between data types (QuickTime, OpenGL, and so on) or display synchronization issues. ... Quartz Composer is a node based visual programming language provided as part of the Xcode development environment in Mac OS X v10. ... A Cocoa application being developed using Xcode. ... is the 250th day of the year (251st in leap years) in the Gregorian calendar. ... Year 2005 (MMV) was a common year starting on Saturday (link displays full calendar) of the Gregorian calendar. ... Windows 2000 (also referred to as Win2K) is a preemptive, interruptible, graphical and business-oriented operating system designed to work with either uniprocessor or symmetric multi-processor computers. ... Windows XP is a line of operating systems developed by Microsoft for use on personal computers, including home and business desktops, notebook computers, and media centers. ... is the 10th day of the year in the Gregorian calendar. ... Year 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... Universal Binary Logo A Universal binary is — in Apple Computers parlance — an application bundle that runs natively on both PowerPC- and x86 (Intel)-based Macintosh computers. ... In computer programming, a buffer overflow is an anomalous condition where a program somehow writes data beyond the allocated end of a buffer in memory. ...


Apple dropped support for Windows 2000 with the release of QuickTime 7.2 on July 11, 2007.[33] The last version available for Windows 2000, 7.1.6, contains numerous security vulnerabilities.[34] Apple has not indicated that they will be providing any further security updates for older versions. QuickTime 7.2 is the first version for Windows Vista. is the 192nd day of the year (193rd in leap years) in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ...


Apple dropped support for Flash content in QuickTime 7.3, breaking content that relied on Flash for interactivity, or animation tracks. Security concerns seem to be part of the decision[35].


In QuickTime 7.3, a processor that supports SSE is required. QuickTime 7.4 does not require SSE. QuickTime 7.5 was released on June 10, 2008. CPU redirects here. ... SSE (Streaming SIMD Extensions, originally called ISSE, Internet Streaming SIMD Extensions) is a SIMD (Single Instruction, Multiple Data) instruction set designed by Intel and introduced in 1999 in their Pentium III series processors as a reply to AMDs 3DNow! (which had debuted a year earlier). ... is the 161st day of the year (162nd in leap years) in the Gregorian calendar. ... 2008 (MMVIII) is the current year, a leap year that started on Tuesday of the Anno Domini (or common era), in accordance with the Gregorian calendar. ...


QuickTime X

QuickTime X is the next version of QuickTime. It was announced at WWDC on June 9, 2008. It will ship with Mac OS X v10.6 in mid-2009.[36] It will be built upon media technology first used in OS X iPhone and will have support for modern codecs and more efficient media playback.[37] The Worldwide Developers Conference is an annual trade show for Apple developers. ... is the 160th day of the year (161st in leap years) in the Gregorian calendar. ... 2008 (MMVIII) is the current year, a leap year that started on Tuesday of the Anno Domini (or common era), in accordance with the Gregorian calendar. ...


Creating software that uses QuickTime

QuickTime consists of two major subsystems: the Movie Toolbox and the Image Compression Manager. The Movie Toolbox consists of a general API for handling time-based data, while the Image Compression Manager provides services for dealing with compressed raster data as produced by video and photo codecs. Suppose the smiley face in the top left corner is an RGB bitmap image. ...


Developers can use the QuickTime software development kit (SDK) to develop multimedia applications for Mac or Windows with the C programming language or with the Java programming language (see QuickTime for Java), or, under Windows, using COM/ActiveX from a language supporting this. A Software Development Kit, or SDK for short, is typically a set of development tools that allows a software engineer to create applications for a certain software package, software framework, hardware platform, computer system, operating system or similar. ... C is a general-purpose, block structured, procedural, imperative computer programming language developed in 1972 by Dennis Ritchie at the Bell Telephone Laboratories for use with the Unix operating system. ... QuickTime for Java or QTJ is a software library that allows software written in the Java programming language to provide multimedia functionality, by making calls into the native QuickTime library. ... Component Object Model (COM) is a platform for software componentry introduced by Microsoft in 1993. ... ActiveX is Microsoft technology used for developing reusable object oriented software components. ...


The COM/ActiveX option was introduced as part of QuickTime 7 for Windows and is intended for programmers who want to build standalone Windows applications using high-level QuickTime movie playback and control with some import, export, and editing capabilities. This is considerably easier than mastering the original QuickTime C++ API.[38]


QuickTime 7 for Mac introduced the QuickTime Kit (aka QTKit), a developer framework that is intended to replace previous APIs for Cocoa developers. This framework is for Mac only, and exists as Objective-C abstractions around a subset of the C interface. Mac OS X v10.5 extends QTKit to full 64-bit support. Objective-C, often referred to as ObjC or more seldomly as Objective C or Obj-C, is an object oriented programming language implemented as an extension to C. It is used primarily on Mac OS X and GNUstep, two environments based on the OpenStep standard, and is the primary language...


Criticisms

QuickTime 7.4 was found to disable Adobe's video compositing program, After Effects.[39] This was due to the DRM built into version 7.4 since it allowed movie rentals from iTunes. QuickTime 7.4.1 resolved this issue.[40] Digital rights management (DRM) is an umbrella term that refers to access control technologies used by publishers and copyright holders to limit usage of digital media or devices. ...


Vulnerabilities

Versions 4.0 through 7.3 contained a buffer overflow bug which could compromise the security of a PC using either the QuickTime Streaming Media client, or the QuickTime player itself.[41] The bug was fixed in version 7.3.1.


See also

The following comparison of media players compares general and technical information for a number of software media player programs. ... The following is a list of media players. ... QuickTime Alternative was a codec package for Microsoft Windows created for playing QuickTime files (.MOV) with any video player that supports DirectShow. ... QT Lite is a lightweight version of QuickTime. ...

References

  1. ^ MacWorld - Mac 911 - Full screen for free. Retrieved on 2007-01-27.
  2. ^ Apple - Support - Downloads - Quicktime 7.2 for Mac. Retrieved on 2007-07-12.
  3. ^ Apple - QuickTime - QuickTime Pro. Retrieved on 2007-01-10.
  4. ^ Apple - Mac OS X - Quartz Extreme. Retrieved on 2007-01-16.
  5. ^ Re: batch export : where is sorenson ?. Retrieved on 2008-06-06.
  6. ^ Apple - QuickTime - QuickTime Player - Tech Specs. Retrieved on 2007-01-16.
  7. ^ Apple - QuickTime File Format: Atoms. Retrieved on 2007-01-16.
  8. ^ Apple - QuickTime - Technologies - MPEG-4. Retrieved on 2007-01-16.
  9. ^ QuickTime for Windows 7.0 Help. Retrieved on 2007-06-08.
  10. ^ DefilerPak - A lightweight codec pack for Windows PCs
  11. ^ K-LiteCodecPack.com : Download Codecs, Videos and MP3s
  12. ^ Apple - Movie Trailers
  13. ^ Timeline of QuickTime Updates at the Apple Museum. Retrieved on 2007-01-08.
  14. ^ Apple - Developer - QuickTime - Technical Note TN1183. Retrieved on 2007-01-08.
  15. ^ Apple - Developer - QuickTime - What's New in QuickTime. Retrieved on 2007-01-08.
  16. ^ Timeline of QuickTime Updates at the Apple Museum. Retrieved on 2007-01-08.
  17. ^ Apple - Developer - QuickTime - Technical Note TN1197. Retrieved on 2007-01-08.
  18. ^ Apple - Developer - QuickTime - Summary of Changes and Enhancements for QuickTime 4.1. Retrieved on 2007-01-08.
  19. ^ Timeline of QuickTime Updates at the Apple Museum. Retrieved on 2007-01-06.
  20. ^ Apple - Developer - QuickTime 5 - Summary of Changes and Enhancements. Retrieved on 2007-01-06.
  21. ^ Apple - QuickTime 6 - Summary of Changes and Enhancements. Retrieved on 2007-01-08.
  22. ^ Apple - QuickTime 6.0.3 for Mac OS 8.6/9. Retrieved on 2007-01-04.
  23. ^ Apple - QuickTime: About the QuickTime 6.1.1 Update. Retrieved on 2007-01-08.
  24. ^ Apple - QuickTime for Windows: About the QuickTime 6.1 Update. Retrieved on 2007-01-08.
  25. ^ Apple - QuickTime: About the QuickTime 6.2 Update. Retrieved on 2007-01-08.
  26. ^ Apple - QuickTime: About QuickTime 6.3. Retrieved on 2007-01-08.
  27. ^ Apple - Developer - What's New in QuickTime 6.4 For Mac OS X. Retrieved on 2007-01-08.
  28. ^ Apple - Developer - What's New in QuickTime 6.5 For Mac OS X. Retrieved on 2007-01-08.
  29. ^ ArsTechnica - Video in Tiger. Retrieved on 2007-01-09.
  30. ^ Apple - Developer - QuickTime 7 Update Guide. Retrieved on 2007-01-09.
  31. ^ Apple - Developer - QuickTime 7 Audio Enhancements. Retrieved on 2007-01-09.
  32. ^ Apple Unveils Preview Release of QuickTime 7 for Windows. Retrieved on 2007-06-01.
  33. ^ Apple - QuickTime - Download - QuickTime Version Availability. Retrieved on 2007-07-16.
  34. ^ Apple Releases Security Updates for QuickTime. Retrieved on 2007-07-16.
  35. ^ About the security content of QuickTime 7.3.1. Apple Inc. (2007-12-13). Retrieved on 2008-04-10.
  36. ^ Apple Previews Mac OS X Snow Leopard to Developers. Apple.com (2008-06-09). Retrieved on 2008-06-09.
  37. ^ Mac OS X Snow Leopard. Apple.com (2008-06-09). Retrieved on 2008-06-09.
  38. ^ Scripting the Quicktime COM/ActiveX object for Windows Developers..
  39. ^ Beware of the new Quicktime 7.4.
  40. ^ QuickTime 7.4.1 fixes After Effects problem.
  41. ^ Apple QuickTime RTSP Content-Type header stack buffer overflow.. Retrieved on 2007-12-06.

Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 27th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 193rd day of the year (194th in leap years) in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 10th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 16th day of the year in the Gregorian calendar. ... 2008 (MMVIII) is the current year, a leap year that started on Tuesday of the Anno Domini (or common era), in accordance with the Gregorian calendar. ... is the 157th day of the year (158th in leap years) in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 16th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 16th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 16th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 159th day of the year (160th in leap years) in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 8th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 8th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 8th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 8th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 8th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 8th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 6th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 6th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 8th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 4th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 8th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 8th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 8th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 8th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 8th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 8th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 9th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 9th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 9th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 152nd day of the year (153rd in leap years) in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 197th day of the year (198th in leap years) in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 197th day of the year (198th in leap years) in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 347th day of the year (348th in leap years) in the Gregorian calendar. ... 2008 (MMVIII) is the current year, a leap year that started on Tuesday of the Anno Domini (or common era), in accordance with the Gregorian calendar. ... is the 100th day of the year (101st in leap years) in the Gregorian calendar. ... Apple Inc. ... 2008 (MMVIII) is the current year, a leap year that started on Tuesday of the Anno Domini (or common era), in accordance with the Gregorian calendar. ... is the 160th day of the year (161st in leap years) in the Gregorian calendar. ... 2008 (MMVIII) is the current year, a leap year that started on Tuesday of the Anno Domini (or common era), in accordance with the Gregorian calendar. ... is the 160th day of the year (161st in leap years) in the Gregorian calendar. ... Apple Inc. ... 2008 (MMVIII) is the current year, a leap year that started on Tuesday of the Anno Domini (or common era), in accordance with the Gregorian calendar. ... is the 160th day of the year (161st in leap years) in the Gregorian calendar. ... 2008 (MMVIII) is the current year, a leap year that started on Tuesday of the Anno Domini (or common era), in accordance with the Gregorian calendar. ... is the 160th day of the year (161st in leap years) in the Gregorian calendar. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 340th day of the year (341st in leap years) in the Gregorian calendar. ...

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Apple certification programs are programs designed by Apple Inc. ... The Genius Bar is a station located inside every Apple Retail Store (see Apple Store (retail)) that offers help and support for Apple products. ... The iTunes Store is an online business run by Apple Inc. ... ProCare is a service offered by the Apple Store that provides additional services from the Genius Bar. ... ProCare is a service offered by the Apple Store that provides additional services from the Genius Bar. ... In the past two decades, Apple Inc. ... John Hodgman as PC and Justin Long as Mac The Get a Mac campaign is a current (2006–present) television advertising campaign created for Apple Inc. ... An example of the original style of silhouettes, on a billboard, located in Toronto, Ontario, Canada. ... This is a list of slogans that have been used by Apple Inc. ... Braeburn Capital is an asset management company based in Reno, Nevada and a subsidiary of Apple Computer, Inc. ... FileMaker Inc. ... 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GarageBand is a software application that allows users to create music or podcasts. ... iWeb is a WYSIWYG template-based website creation tool made by Apple Inc. ... This article is about the iTunes application. ... iWork is a suite of applications created by Apple Inc. ... For Bering Strait album, see Pages (album). ... Numbers is a spreadsheet application developed by Apple Inc. ... Prosumer refers to one of two possible portmanteaus formed by contracting either the word producer or professional with the word consumer. ... Final Cut Express is a non linear video editing application created by Apple, Inc. ... Logic Express is a cut-down version of Logic Pro, a MIDI sequencer and digital audio workstation software application maintained by Apple that runs on the Mac OS X platform. ... Aperture is a software program for Mac OS X announced by Apple Inc at a New York media event on October 19, 2005, designed to assist professional photographers in post-production work. ... FileMaker Pro is a cross-platform database application from FileMaker Inc. ... Image:Fcstudio2 box. ... Logic Studio is a music production suite by Apple Inc. ... Shake is an image compositing package used in the post-production industry. ... This article is about the Mac software. ... Mail (aka Mail. ... Photo Booth is a small software application for taking photos with an iSight camera by Apple Inc. ... Safari is a web browser developed by Apple Inc. ... A screenshot of Apples TextEdit. ... Apple Remote Desktop (ARD) is a Macintosh application produced by Apple Computer, first released on March 14, 2002, that replaced a similar product called Apple Network Assistant. ... Mac OS X Server is the server-oriented version of Apples operating system, Mac OS X. Mac OS X, in both desktop and server versions, is a Unix operating system based on technology that Apple acquired from NeXT Computer. ... WebObjects is a Java Web application server by Apple Computer. ... Xsan is Apple Inc. ... .Mac (pronounced Dot Mac) refers to a group of online services offered by Apple Inc. ... AppleWorks is an office suite of software applications sold by Apple Computer. ... HyperCard was an application program from Apple Computer that was among the first successful hypermedia systems before the World Wide Web. ... MacDraw was a vector-based drawing program made by Apple Computer for the early Macintosh computers; the software was later sold to Claris. ... This article relates to both the original Classic Mac OS as well as Mac OS X, Apples more recent operating system. ... MacPaint is a bitmap-based image editing computer program that was produced by Apple Computer for bundling with their Macintosh personal computer. ... MacProject was released by Apple Computers in 1984. ... MacTerminal was the first telecommunications and terminal emulation application software program available for Mac OS. MacTerminal enabled users to connect via modem or serial port to bulletin board systems and online services (e. ... MacWrite was a word processor application released along with the first Apple Macintosh systems in 1984. ... ResEdit version 2. ... Apple Inc. ... // This list of Macintosh software reveals prominent Mac OS computer programs. ... Windows redirects here. ... AppleWorks is an office suite of software applications sold by Apple Computer. ... Bonjour, formerly Rendezvous, is Apple Inc. ... For other uses, see boot camp. ... This article is about the iTunes application. ... Safari is a web browser developed by Apple Inc. ... Mac OS X (pronounced ) is a line of graphical operating systems developed, marketed, and sold by Apple Inc. ... Automator is an application developed by Apple for Mac OS X that implements point-and-click (or drag-and-drop) creation of workflows for automating repetitive tasks. ... Chess is a chess game for Mac OS X, featuring a high quality graphical display and support for chess variants such as crazyhouse and suicide chess. ... Dashboard is an application for Apples Mac OS X v10. ... The Dictionary application, developed by Apple for its Macintosh computers, was introduced with Mac OS X v10. ... This page relates to Apple software. ... The Finder is the default application program used on the Mac OS and Mac OS X operating systems that is responsible for the overall user-management of files, disks, network volumes and the launching of other applications. ... Grapher is a software program bundled with Mac OS X v10. ... For the Tcl calendar package, see Ical (Unix). ... This article is about the Mac software. ... iSync 1. ... This article is about the iTunes application. ... Mail (aka Mail. ... Photo Booth is a small software application for taking photos with an iSight camera by Apple Inc. ... Preview is Mac OS Xs application for displaying images and Portable Document Format (PDF) documents. ... Safari is a web browser developed by Apple Inc. ... Stickies is a Macintosh application for putting Post-it note-like windows on the screen, with short reminders, notes and other clippings. ... A screenshot of Apples TextEdit. ... Activity Monitor is the name of a utility for performing different tasks to a computer process in the Mac OS X operating system. ... The AirPort Utility (formerly AirPort Admin Utility until the release of Mac OS X 10. ... Archive Utility (BOMArchiveHelper until Mac OS X 10. ... The Audio MIDI Setup utility is a program that comes with the Mac OS X operating system for adjusting the computers audio input and output configuration settings and managing MIDI devices. ... Bluetooth File Exchange is an aptly-named utility that comes with the Mac OS X operating system, used to exchange files to or from a Bluetooth-enabled device. ... ColorSync Utility is an interface for Apples ColorSync specification on the Mac OS X operating system. ... DigitalColor Meter is a utility for measuring and displaying the colour values of pixels displayed on the screen of a Macintosh computer. ... Directory Access is a Mac OS X utility for connecting to network services. ... DiskImageMounter is the utility that handles mounting disk images in Mac OS X, starting with version 10. ... Disk Utility is the name of a utility created by Apple for performing disk-related tasks in Mac OS X. These tasks include: the creation of disk images; mounting, unmounting, and ejecting disks (including both hard disks, removable media and disk images); enabling or disabling journaling; verifying a disks... Apples Font Book includes fonts, and dividing them into groups. ... Grab is an application by Apple Computer used to make screenshots of the users computer. ... Image Capture, first introduced in Mac OS X version 10. ... Installer is an application included in Mac OS X which extracts and installs files out of . ... Keychain Access in Mac OS X serves to allow the user to configure keychain passwords - unlocking, locking and displaying passwords saved by the system which are dynamically linked to ones login password. ... Network Utility is a an application included with Mac OS X that provides a variety of computer network information. ... ODBC Administrator is a utility in the Mac OS X operating system for administering ODBC. Category: ... Screen Sharing is a VNC client by Apple Inc. ... System Preferences is the application used by Mac OS X to set user preferences. ... System Profiler is a software utility that has been bundled with Mac OS since Mac OS 7. ... Terminal is an application included with Apples Mac OS X operating system. ... Universal access to education is the ability of all people to have equal opportunity in education, regardless of their background or physical disabilities. ... VoiceOver is a feature built into Apple Computers Mac OS X v10. ... X11. ... The Command key The Command key, known as the open-Apple key in documentation previous to the Apple Macintosh family of computers, is a modifier key present on Apple Keyboards. ... The Option key The Option key, known to PC users as AltGr or Alt key, is a modifier key present on Apple Keyboards. ... The Apple menu in Mac OS X Tiger. ... AppleScript is a scripting language devised by Apple, Inc. ... The Aqua GUI in its original version in the Public Beta of Apples Mac OS X operating system. ... AU Lab, a developer application included on Mac OS Xs installer CD Audio Units (AU) are a system-level plug-in architecture provided by Core Audio, a set of application programming interface services provided by Apple Computers Mac OS X operating system. ... Bonjour, formerly Rendezvous, is Apple Inc. ... For other uses, see boot camp. ... Carbon is the codename of Apple Computers API for the Macintosh operating system, which permits a good degree of forward and backward compatibility between source code written to run on the classic Mac OS, and the newer Mac OS X. The APIs are published and accessed in the form... A Cocoa application being developed using Xcode. ... ColorSync is Apples color management API for the Mac OS and Mac OS X. // Apple developed the original 1. ... Core Animation is a data visualization API used by Mac OS X 10. ... Apples Core Audio interfaces Core Audio is a fairly low-level API for dealing with sound in Apples Mac OS X operating system. ... Core Data is part of the Cocoa API in Mac OS X, first introduced in Mac OS X 10. ... Core Foundation (also called CF) is a Mac OS X framework and API. CF provides: Primitive types for data (raw bytes, Unicode strings, numbers, calendar dates, UUIDs) and collections (arrays, sets, dictionaries) Application preferences management (CFPropertyList, Preferences Utilities) XML parsing Bundle handling File system I/O (CFReadStream, CFWriteStream, CFURL) Network... Core Image is a pixel-accurate, non-destructive image processing and rendering framework for Mac OS X. As part of the QuartzCore framework, it extends the rendering capabilities of Quartz with its plugin-based architecture for applying filters and effects. ... Core OpenGL, or CGL, is Apple Computers Macintosh Quartz windowing system interface to the Mac OS X implementation of the OpenGL specification. ... Core Text is part of the Cocoa API in Mac OS X, first introduced in Mac OS X 10. ... Core Video is a new pipeline model for digital video in Mac OS X. Partitioning the processing into discrete steps makes it simpler for developers to access and manipulate individual frames without having to worry about translating between data types (QuickTime, OpenGL, and so on) or display synchronization issues. ... The Common Unix Printing System (CUPS) is a modular computer printing system for Unix-like operating systems that allows a computer to act as a powerful print server. ... Darwin is a free and open source, Unix-like operating system first released by Apple Inc. ... Mac OS X 10. ... FileVault in the System Preferences under Security FileVault is a system that protects files on a Macintosh computer. ... The Apple Icon Image format is the icon format used in Apple Computers Mac OS X. It supports icons of 16×16, 32×32, 48×48 and 128×128 pixel icons, with both 1- and 8-bit alpha channels and multiple image states (example: open and closed folders). ... Inkwell, later renamed Ink, but still mostly referred to as Inkwell by Apple is the name of the handwriting recognition technology built into Apple Computers Mac OS X. It was introduced in version 10. ... The I/O Kit is an open-source framework in the XNU kernel that helps developers code device drivers for Darwin-enabled operating systems (one popularly known as Apples Mac OS X.) The I/O Kit framework was originally introduced at the release of Mac OS X along with... Linux kernel panic under QEMU. Mac OS X kernel panic alert. ... Keychain is Apple Computers password management system in Mac OS X and Mac OS 9. ... Mach-O, short for Mach object file format, is a file format for executables and object code. ... A Menu extra, menu item or status item in Mac OS X is a small icon or sometimes a word that appears at the right of the menu bar. ... Preference Pane icon A Preference Pane (often abbreviated as prefpane) is a special dynamically loaded plugin in Mac OS X. Introduced in Mac OS 10. ... In the Mac OS X Cocoa, NeXTSTEP, and GNUstep programming frameworks, property list files are files that store serialized objects. ... Quartz is the marketing name of the proprietary graphics layer that sits on top of the open source Darwin core of Mac OS X. Quartz is part of the Core Graphics framework. ... Quick Look is a new preview feature in Mac OS X v10. ... In computing, a virtual folder generally denotes an organizing principle for files that is not dependent on their physical location in a folder. ... Spaces is a virtual desktop feature developed by Apple to be included in Mac OS X v10. ... The Speakable Items window, executing the Tell Me a Joke command. ... Spotlight is an as-you-type, system-wide desktop search feature found in Mac OS X v10. ... This page is about the Mac OS X software feature. ... For other uses, see Time Machine. ... A Uniform Type Identifier (UTI) is a string that uniquely identifies the type of a class of items. ... Universal Binary Logo A Universal binary is — in Apple Computers parlance — an application bundle that runs natively on both PowerPC- and x86 (Intel)-based Macintosh computers. ... WebKit is an application framework included with Mac OS X v10. ... In computers, Xgrid is software (Apple Computer, Inc. ... XNU is the name of the kernel that Apple acquired and developed for use in the Mac OS X operating system and released as open source as part of the Darwin operating system. ... For other uses, see ZFS (disambiguation). ... Look up Multimedia in Wiktionary, the free dictionary. ... Source coding redirects here. ... Video compression refers to making a digital video signal use less data, without noticeably reducing the quality of the picture. ... “ISO” redirects here. ... The International Electrotechnical Commission (IEC) is an international standards organization dealing with electrical, electronic and related technologies. ... Motion JPEG, also known as M-JPEG, is a video file format consisting of a sequence of individual JPEG images; unlike other video compression algorithms, each frame is an image unto itself. ... JPEG 2000 is a wavelet-based image compression standard. ... MPEG-1 was an early standard for lossy compression of video and audio. ... MPEG-2 is a standard for the generic coding of moving pictures and associated audio information [1]. It is widely used around the world to specify the format of the digital television signals that are broadcast by terrestrial (over-the-air), cable, and direct broadcast satellite TV systems. ... MPEG-4 Part 2 is a video compression technology developed by MPEG. It belongs to the MPEG-4 ISO/IEC standard (ISO/IEC 14496-2). ... H.264 is a standard for video compression. ... The ITU Telecommunication Standardization Sector (ITU-T) coordinates standards for telecommunications on behalf of the International Telecommunication Union (ITU) and is based in Geneva, Switzerland. ... H.261 is an 1990 ITU video coding standard originally designed for transmission over ISDN lines on which data rates are multiples of 64 kbit/s. ... H.262 is an ITU-T digital video coding standard. ... H.263 is a video codec designed by the ITU-T as a low-bitrate encoding solution for videoconferencing. ... H.264 is a standard for video compression. ... This article or section does not cite its references or sources. ... Audio Video Standard, or AVS, is a compression codec for digital audio and video, and a possible alternative to H.264/AAC/Vorbis [1], meant to potentially replace MPEG-2. ... Bink is a video file format (extension . ... Dirac is a prototype algorithm for the encoding and decoding (see codec) of raw video. ... Indeo Video (commonly known now simply as Indeo) is a video codec developed by Intel in 1992. ... Pixlet is a video codec created by Apple Computer and based on wavelets, designed to enable viewing of full resolution, high resolution movies in real time at low DV data rates. ... RealVideo is a proprietary video format developed by RealNetworks. ... RTVideo RTVideo is Microsofts default video codec for OCS. RTVideo is a proprietrary codec. ... SheerVideo is a fast lossless video codec created by BitJazz Inc. ... Smacker video is a video file format (with the file extension) developed by RAD Game Tools and oftenly used in computer games. ... Snow is an experimental video codec developed by Michael Niedermayer for the FFmpeg package. ... Theora is a video codec being developed by the Xiph. ... VC-1 is the informal name of the SMPTE 421M video codec standard initially developed by Microsoft. ... TrueMotion VP6 is a video codec developed by On2 Technologies as a successor to earlier efforts such as VP3 and VP5. ... TrueMotion VP7 is a video codec developed by On2 Technologies as a successor to earlier efforts such as VP3, VP5 and TrueMotion VP6. ... Windows Media Video (WMV) is a generic name for the set of video codec technologies developed by Microsoft. ... This article is about a process which reduces the data rate or file size of digital audio signals. ... “ISO” redirects here. ... The International Electrotechnical Commission (IEC) is an international standards organization dealing with electrical, electronic and related technologies. ... For other uses, see MP3 (disambiguation). ... MPEG-1 Audio Layer II (MP2, sometimes Musicam) is an audio codec defined by ISO/IEC 11172-3. ... MPEG-1 Audio Layer I, commonly abbreviated to MP1, is one of three audio codecs included in the MPEG-1 standard. ... Advanced Audio Coding (AAC) is a standardized, lossy compression and encoding scheme for digital audio. ... High Efficiency AAC (HE-AAC) is a lossy data compression scheme for digital audio. ... High Efficiency AAC (HE-AAC) is a lossy data compression scheme for digital audio. ... The ITU Telecommunication Standardization Sector (ITU-T) coordinates standards for telecommunications on behalf of the International Telecommunication Union (ITU) and is based in Geneva, Switzerland. ... G.711 is an ITU-T standard for audio companding. ... G.722[1] is a ITU-T standard wideband speech codec operating at 48-64 kbit/s. ... G.722. ... Adaptive Multi Rate - WideBand or AMR-WB is a speech coding standard developed after the AMR using same technology like ACELP. The codec provides excellent speech quality due to wider speech bandwidth of 50 - 7000 Hz compared to narrowband speech codecs which in general are optimized for POTS wireline quality... This article is in need of attention from an expert on the subject. ... G.723. ... G.726 is ITU-T speech codec operating at bit rates of 16-40 kbit/s. ... G.728 is a ITU-T standard for speech coding operating at 16 kbit/s. ... G.729 is an audio data compression algorithm for voice that compresses voice audio in chunks of 10 milliseconds. ... The introduction to this article provides insufficient context for those unfamiliar with the subject matter. ... G.729 is an audio data compression algorithm for voice that compresses voice audio in chunks of 10 milliseconds. ... Dolby Digital is the marketing name for a series of lossy audio compression technologies by Dolby Laboratories. ... Adaptive Multi-Rate (AMR) is an audio data compression scheme optimized for speech coding. ... Apple Lossless (also known as Apple Lossless Encoder, ALE, or Apple Lossless Audio Codec, ALAC) is an audio codec developed by Apple Inc. ... Adaptive Transform Acoustic Coding (ATRAC) is a family of proprietary audio compression algorithms developed by Sony. ... Free Lossless Audio Codec (FLAC) is a popular file format for audio data compression. ... internet Low Bit Rate Codec (iLBC) is a royalty free narrowband speech codec, developed by Global IP Sound (GIPS). ... Monkey’s Audio is a file format for audio data compression. ... In telecommunication, a mu-law algorithm (μ-law) is a standard analog signal compression or companding algorithm, used in digital communications systems of the North American and Japanese digital hierarchies, to optimize (in other words, modify) the dynamic range of an audio analog signal prior to digitizing. ... Musepack or MPC is an open source lossy audio codec, specifically optimized for transparent compression of stereo audio at bitrates of 160-180 kbit/s. ... The Nellymoser Asao codec is a proprietary single-channel (mono) format optimized for low-bitrate transmission of audio. ... Please wikify (format) this article as suggested in the Guide to layout and the Manual of Style. ... RealAudio is a proprietary audio format developed by RealNetworks. ... RTAudio is a Microsoft produced adaptive wide-band speech codec. ... SHN (Shorten) is a file format used to losslessly compress CD-quality audio files (44. ... Speex is a free software speech codec that may be used on VoIP applications and podcasts. ... Vorbis is an open source, lossy audio codec project headed by the Xiph. ... WavPack is a free, open source lossless audio compression format developed by David Bryant. ... Windows Media Audio (WMA) is an audio data compression technology developed by Microsoft. ... TAK (Toms lossless Audio Kompressor) is a lossless audio compressor which promises compression performance similar to Monkeys Audio “High” and decompression speed similar to FLAC. The codec also supports streaming (necessary headers for decompressing the audio are written to the stream every 2 seconds), error tolerance (single bit... Image compression is the application of Data compression on digital images. ... “ISO” redirects here. ... The International Electrotechnical Commission (IEC) is an international standards organization dealing with electrical, electronic and related technologies. ... The ITU Telecommunication Standardization Sector (ITU-T) coordinates standards for telecommunications on behalf of the International Telecommunication Union (ITU) and is based in Geneva, Switzerland. ... JPG redirects here. ... JPEG 2000 is a wavelet-based image compression standard. ... The Joint Photographic Experts Group, in addition to their well-known lossy image compression techniques, JPEG and JPEG 2000, also have three standards for lossless compression (of which JPEG-LS has a lossy mode): Lossless JPEG was developed as a late addition to JPEG in 1993, using a completely different... JBIG is a lossless image compression standard from the Joint Bi-level Image Experts Group, standardized as ISO/IEC standard 11544 and as ITU-T recommendation T.82. ... JBIG2 is an image compression standard for bi-level images, developed by the Joint Bi-level Image Experts Group. ... PNG (Portable Network Graphics), sometimes pronounced as ping, is a relatively new bitmap image format that is becoming popular on the World Wide Web and elsewhere. ... Wireless Application Protocol Bitmap Format (shortened to Wireless Bitmap and with file extension . ... The BMP file format, sometimes called bitmap or DIB file format (for device-independent bitmap), is an image file format used to store bitmap digital images, especially on Microsoft Windows and OS/2 operating systems. ... GIF redirects here. ... ICER is a wavelet-based image compression file format used by the NASA Mars Rovers. ... ILBM is a subtype of the Interchange File Format used for storing picture data. ... PCX is an image file format that uses a simple form of run-length encoding (a type of lossless compression algorithm). ... PGF (Progressive Graphics File) is a wavelet-based bitmapped image format that employs lossless and lossy data compression. ... Truevisions (now Pinnacle Systems) TGA File Format, often referred to as TARGA File Format, is a raster graphics file format. ... “TIFF” redirects here. ... JPEG XR (formerly HD Photo and Windows Media Photo) is a still-image compression algorithm and file format for continuous tone photographic images, developed by Microsoft as a part of the Windows Media family. ... A container format is a computer file format that can contain various types of data, compressed by means of standardized codecs. ... 3GP is a multimedia container format defined by the Third Generation Partnership Project (3GPP) for use on 3G mobile phones. ... Advanced Systems Format (formerly Advanced Streaming Format, Active Streaming Format) is Microsofts proprietary digital audio/digital video container format, especially meant for streaming media. ... AVI redirects here. ... Bink is a video file format (extension . ... DivX is a video codec created by DivX, Inc. ... DPX is also the name given to a mounting medium, see Di-n-butylPhthalate in Xylene. ... Flash Video is the name of a file format used to deliver video over the Internet using Adobe Flash Player (formerly known as Macromedia Flash Player) version 6, 7, 8, or 9. ... The Matroska Multimedia Container is an open standard free Container format, a file format that can hold an unlimited number of video, audio, picture or subtitle tracks inside a single file. ... For other parts of the MPEG-4 standard, see MPEG-4. ... Material eXchange Format (MXF) is a container format for professional digital video and audio media defined by a set of SMPTE standards. ... NUT is a patent-free, multimedia container format originally conceived by a few MPlayer and FFmpeg developers that were dissatisfied with the limitations of all currently available multimedia container formats such as AVI or Matroska. ... Ogg is an open standard for a free container format for digital multimedia, unrestricted by software patents and designed for efficient streaming and manipulation. ... Ogg Media (OGM), meaning Ogg Media File, is a container format (for video, audio and subtitle streams). ... RealMedia is a multimedia container format created by RealNetworks. ... Smacker video is a video file format (with the file extension) developed by RAD Game Tools and oftenly used in computer games. ... The Resource Interchange File Format (RIFF) is a generic meta-format for storing data in tagged chunks. ... For Versioned Object Bases, see Rational ClearCase. ... Audio Interchange File Format (AIFF) is an audio file format standard used for storing sound data for personal computers and other electronic audio devices. ... The Au file format is a simple audio file format that consists of a header of 6 32-bit words and then the data (high-order byte comes first). ... WAV (or WAVE), short for Waveform audio format, is a Microsoft and IBM audio file format standard for storing audio on PCs. ...

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Apple - QuickTime (210 words)
The QuickTime family of digital media creation, delivery and playback software lets you deliver live or pre-recorded video and audio to an audience of any size.
When combined with QuickTime Player and QuickTime Pro, these applications work together to provide the industry’s first end-to-end, cross-platform, standards-based digital media delivery system.
Show your pro encoding work to clients or transcode your MPEG-2 video streams to other QuickTime formats with this add-on to QuickTime Player or QuickTime Pro.
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