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Encyclopedia > SPC700 sound format

An SPC700 sound file (or SPC) is a type of video game music file consisting of a copy of a program and music data from RAM used by the SPC700 sound chip on the Super Nintendo Entertainment System or Super Famicom (though such data are usually obtained from a console emulator such as ZSNES or Snes9x, rather than from the system itself). The SPC700 chip (or emulator thereof) produces sound by executing the embedded program, which processes the stored music data and transforms them to a sequence of DSP commands issued to the chip, which in turn produce the audio output in accordance to the DSP commands. The capabilities of the SPC700 DSP commands allow for music synthesis by samples (analogous to MOD or IT music playback), allowing long stretches of audio which would likely take up several megabytes—even hundreds, for particularly lengthy pieces—if stored as a digital waveform (using PCM or similar), to be produced from only 64 kilobytes of data. The SPC700 chip produces 16-bit sound at 32 kHz, but SPC700 emulators generally can be reconfigured to output at a different sampling rate (from 8 to 48 kHz). This article does not cite any references or sources. ... RAM redirects here. ... The SONY SPC700 is the 8-bit sound chip designed by Ken Kutaragi and used in the Super Famicom/Super Nintendo Entertainment System video game console together with a digital signal processor (DSP). ... The Super Nintendo Entertainment System or Super NES (also called SNES and Super Nintendo) was a 16-bit video game console released by Nintendo in North America, Europe, Australasia, and Brazil between 1990 and 1993. ... This article should be merged with Super Nintendo Entertainment System The Super Famicom design differed from that of the American SNES, though the controllers are almost the same. ... A console emulator is a program that allows a computer to emulate a video game console. ... ZSNES is an emulator of the Super Famicom and SNES video game systems. ... Snes9x is a popular cross-platform emulator for the SNES. Initially the collaborative effort of Gary Henderson of snes96 fame and Jerremy Koot of snes97 fame, Snes9x is now maintained by Brad Jorsch. ... This article is about emulators in computer science. ... A digital signal processor (DSP) is a specialized microprocessor designed specifically for digital signal processing, generally in real-time. ... This article is about reusing existing sound recordings in creating new works. ... For other uses, see Mod. ... Impulse Tracker 2. ... This article is about a unit of data. ... Waveform quite literally means the shape and form of a signal, such as a wave moving across the surface of water, or the vibration of a plucked string. ... PCM redirects here. ... A kilobyte (derived from the SI prefix kilo-, meaning 1,000) is a unit of information or computer storage equal to either 1,000 bytes or 1,024 bytes (210), depending on context. ... The sampling frequency or sampling rate defines the number of samples per second taken from a continuous signal to make a discrete signal. ...


SPC plugins (such as SNESAmp) are available for Winamp, XMPlay, foobar2000, portable mp3 players running Rockbox, and other popular players; a few have native SPC support. Some SPC players, including SNESAmp, can even produce higher-quality output than the SPC700 itself by outputting the sound at a higher sampling rate (up to 192 kHz), using more complex sound interpolation methods and using a special "High Quality" enhancement feature (as in SNESAmp). There are also several programs (such as SPC Tool and SPC2MIDI) able to produce MIDI files from SPC files. SNESAmp is a Winamp plugin to play SPC sound files. ... Winamp is a proprietary media player written by Nullsoft, now a subsidiary of Time Warner. ... XMPlay is a freeware audio player for Windows, supporting the OGG / MP3 / MP2 / MP1 / WMA / WAV / CDA / MO3 / IT / XM / S3M / MTM / MOD / UMX audio formats, and PLS / M3U / ASX playlists. ... foobar2000 is a freeware audio player for Windows developed by Peter Pawlowski, a former freelance contractor for Nullsoft. ... Rockbox is a free software replacement for the firmware held on various forms of digital audio players (DAPs). ... The sampling frequency or sampling rate defines the number of samples per second taken from a continuous signal to make a discrete signal. ... For other uses, see Interpolation (disambiguation). ... Musical Instrument Digital Interface, or MIDI, is a system designed to transmit information between electronic musical instruments. ...


Recently, soundtracks are being compressed using the RAR algorithm, with a solid archive format not available with ZIP compression--this archive format generally saves an enormous amount of space because so many samples are usually reused between songs and it remembers the repeating samples instead of storing them over again. The archived files are given the extension RSN, and these are uncompressed directly by the player on play. REDIRECT RAR (file format) ... In computing, solid compression refers to a method for data compression of multiple files, wherein all the compressed files are concatenated and treated as a single data block. ...


A disadvantage of .spc format can be seen in the sets for Tales of Phantasia and Star Ocean, two high-level SNES games that used "streaming" sampling and swapped samples on the fly to overcome the 64KB limit of the SPC700 and to allow additional instruments and vocals. Because the .spc dump only stores the 64KB of the time of the save, rather than updating according to the game's changes, many of the songs in these games go off-tune or sound "scratchy." Most notably, the fully vocal intro to Tales of Phantasia, "Yume-Wa Owaranai," fails to play any vocals at all when loaded in an .spc player, instead either producing squealing noises or complete silence where the vocals should be. Tales of Phantasia ) is a Super Famicom game in the RPG genre published by Namco and released in Japan in 1995. ... Star Ocean is a franchise of role-playing video games developed by tri-Ace and published by Square Enix (originally Enix). ...


See also

The SONY SPC700 is the 8-bit sound chip designed by Ken Kutaragi and used in the Super Famicom/Super Nintendo Entertainment System video game console together with a digital signal processor (DSP). ...

External links

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Video game music sound formats
DSF · GBS · GSF · GSR · GYM · HES · MOD · NSF and NSFe · PSF and PSF2 · QSF · SAP · SID · SPC · SSF · USF · VGM · XA Audio
For other uses of the word Zophar, see Zophar (disambiguation). ... OverClocked ReMix, also known as OC ReMix or OCR, is a website dedicated to reviving computer and video game music from the past and re-interpreting it with new technology and software, as well as various traditional means. ... This article does not cite any references or sources. ... Dreamcast Sound Format is the proposed title of a digital music format for encoding Dreamcast music, similar to PlayStation Sound Format. ... The Game Boy Sound System (or GBS) for the Game Boy is akin to the sound system of the Nintendo Entertainment System (NES), the difference being that GBS has a higher pitch than NES sound format. ... GSF is an emulated Game Boy Advance audio format based on Neill Corletts PSF (Portable Sound Format), developed by Caitsith2 and Zoopd. ... Gens Sound Record (GSR) is a new file format for the storage of Sega GenesisMega Drive music. ... Modern indoor gymnasium with pull-down basketball hoops. ... For other uses, see Mod. ... An . ... A PlayStation Sound Format (PSF) file is a sound data file (akin to SPC from the Super NES) ripped directly from a Sony PlayStation video game. ... Makes use of the PSF file format although inside the game they are uncompressed (PSF uses the zlib compression) ... This article needs to be wikified. ... MOS Technology SIDs: The right image shows a 6581 from MOS Technology, at the time they were known as the Commodore Semiconductor Group (CSG) and the left image shows an 8580 from MOS Technology. ... Saturn Sound Format is the proposed title of a digital music format for encoding Sega Sature music, similar to PlayStation Sound Format. ... The Nintendo Ultra64 Sound Format (USF) is a file format developed by Adam Gashlin to store sound data (akin to PSF for the Sony PlayStation) ripped directly from a Nintendo 64 video game. ... This article is about the sound format. ... Categories: Rainbow Books | Computer storage | Stub ...

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