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XDCAM Disc

XDCAM is an optical disk based professional video system introduced by Sony in 2003. It features include tapeless optical disk recording of DVCAM, MPEG IMX and, in the XDCAM HD variant, HDV video data, as well as MXF metadata and a low resolution AV proxy stream, on a disc similar to a Blu-Ray disc called the Professional Disc, which holds 23.3GB of data. The XDCAM range includes cameras and decks which act as drop-in replacements for traditional VTRs allowing XDCAM discs to be used within a traditional tape-based workflow. Via IEEE 1394 and Ethernet, these decks can also serve as random access computer drives for easy import of the video data files into NLE systems. Image File history File links Information_icon. ... Image File history File linksMetadata Xdcam. ... Image File history File linksMetadata Xdcam. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... 2003 (MMIII) was a common year starting on Wednesday of the Gregorian calendar. ... A MiniDV tape For other uses, see DV (disambiguation). ... Sony Betacam-SP VTP BVW-65 Betacam and VHS size comparison Betacam SP L (top), Betacam SP S (left), VHS (right) The early form of Betacam tapes are interchangeable with Betamax, though the recordings are not. ... High Definition Video (HDV) is a video format designed to record compressed HDTV video on standard DV media (DV or MiniDV cassette tape). ... Material eXchange Format (MXF) is a container format for professional digital video and audio media defined by a set of SMPTE standards. ... A Blu-ray Disc is a high-density optical disc format for the storage of digital media, including high-definition video. ... PDD, ProDATA or Professional Disc for DATA is a recordable optical disc format which was introduced by Sony in 2003. ... A video tape recorder (VTR), is a tape recorder that can record video material. ... The 6-pin and 4-pin FireWire Connectors FireWire is a proprietary name of Apple Computer for the IEEE 1394 interface. ... Ethernet is a large and diverse family of frame-based computer networking technologies for local area networks (LANs). ... Note: Please see National Latin Examination for the standardized test that is also abbreviated NLE. A non-linear editing system (abbreviated NLE) is a video editing or audio editing system that can perform random access on the source material. ...

Compression methods

XDCAM Crew from Swiss TV

The XDCAM format uses multiple compression methods : MPEG-2 when recording in MPEG IMX, DV25 when recording in DVCAM and MPEG-4 when recording in a low resolution proxy stream. Image File history File links XDCAM-telebasel. ... Image File history File links XDCAM-telebasel. ... 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. ... A MiniDV tape For other uses, see DV (disambiguation). ... MPEG-4 is a standard used primarily to compress audio and video (AV) digital data. ...

Additionally, the XDCAM HD variant of XDCAM records HDV at up to 35MBit/s. High Definition Video (HDV) is a video format designed to record compressed HDTV video on standard DV media (DV or MiniDV cassette tape). ...

Most standard definition XDCAM camcorders can switch from IMX to DVCAM with the flick of a switch, although a DVCAM only model is available. MPEG IMX offers Digital Betacam equilavent quality at 50Mbit/s and eight audio channels, making it suitable for most high-quality TV productions. DVCAM allows the user to record twice as much footage and maintains a large compatibility with a large amount of low end NLE's. MPEG IMX can record at a bitrate of 30, 40 or 50 Megabits per second, while DVCAM records at 25Mbit/s. The low resolution proxy is recorded at 1.5Mbit/s with 64 kbit/s for each audio channel. The CIF resolution is used for the proxy recordings. Sony Betacam-SP VTP BVW-65 Betacam and VHS size comparison Betacam SP L (top), Betacam SP S (left), VHS (right) The early form of Betacam tapes are interchangeable with Betamax, though the recordings are not. ... Cif is a brand of cleaning products by Unilever, known as Jif in Australia and New Zealand. ...

Professional Disc

Main article: Professional Disc for Data

The Professional Disc was chosen by Sony as its medium for professional non-linear video acquisition for a number of reasons outlined in their white-paper Why Sony Adopted Professional Disc. PDD, ProDATA or Professional Disc for DATA is a recordable optical disc format which was introduced by Sony in 2003. ...

Essentially the Professional Disc format was deemed to be a suitable, cost effective and easy step forward. The discs are reliable and robust, suitable for field work (something which has previously been a problem with many disc-based systems). Additionally, the cost of media is comparable to existing professional formats.

References

• Sony's official XDCAM web page

External links

• Sony's XDCAM introduction press release
• XDCAM pro user group