97 lines
3.2 KiB
Plaintext
97 lines
3.2 KiB
Plaintext
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#------------------------------------------------------------------------------
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# audio: file(1) magic for sound formats (see also "iff")
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#
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# Jan Nicolai Langfeldt (janl@ifi.uio.no), Dan Quinlan (quinlan@yggdrasil.com),
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# and others
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#
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# Sun/NeXT audio data
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0 string .snd Sun/NeXT audio data:
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>12 belong 1 8-bit ISDN u-law,
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>12 belong 2 8-bit linear PCM [REF-PCM],
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>12 belong 3 16-bit linear PCM,
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>12 belong 4 24-bit linear PCM,
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>12 belong 5 32-bit linear PCM,
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>12 belong 6 32-bit IEEE floating point,
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>12 belong 7 64-bit IEEE floating point,
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>12 belong 23 8-bit ISDN u-law compressed (CCITT G.721 ADPCM voice data encoding),
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>12 belong 24 compressed (8-bit G.722 ADPCM)
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>12 belong 25 compressed (3-bit G.723 ADPCM),
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>12 belong 26 compressed (5-bit G.723 ADPCM),
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>12 belong 27 8-bit A-law,
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>20 belong 1 mono,
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>20 belong 2 stereo,
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>20 belong 4 quad,
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>16 belong >0 %d Hz
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# DEC systems (e.g. DECstation 5000) use a variant of the Sun/NeXT format
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# that uses little-endian encoding and has a different magic number
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0 lelong 0x0064732E DEC audio data:
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>12 lelong 1 8-bit ISDN u-law,
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>12 lelong 2 8-bit linear PCM [REF-PCM],
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>12 lelong 3 16-bit linear PCM,
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>12 lelong 4 24-bit linear PCM,
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>12 lelong 5 32-bit linear PCM,
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>12 lelong 6 32-bit IEEE floating point,
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>12 lelong 7 64-bit IEEE floating point,
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>12 lelong 23 8-bit ISDN u-law compressed (CCITT G.721 ADPCM voice data encoding),
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>20 lelong 1 mono,
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>20 lelong 2 stereo,
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>20 lelong 4 quad,
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>16 lelong >0 %d Hz
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# Creative Labs AUDIO stuff
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0 string MThd Standard MIDI data
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>9 byte >0 (format %d)
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>11 byte >1 using %d channels
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0 string CTMF Creative Music (CMF) data
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0 string SBI SoundBlaster instrument data
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0 string Creative\ Voice\ File Creative Labs voice data
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# is this next line right? it came this way...
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>19 byte 0x1A
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>23 byte >0 - version %d
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>22 byte >0 \b.%d
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# first entry is also the string "NTRK"
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0 belong 0x4e54524b MultiTrack sound data
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>4 belong x - version %ld
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# Microsoft WAVE format (*.wav)
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0 string RIFF Microsoft RIFF
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>8 string WAVE \b, WAVE audio data
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>>34 leshort >0 \b, %d bit
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>>22 leshort =1 \b, mono
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>>22 leshort =2 \b, stereo
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>>22 leshort >2 \b, %d channels
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>>24 lelong >0 %d Hz
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# AVI == Audio Video Interleave
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>8 string AVI\ \b, AVI data
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# Extended MOD format (*.emd) (Greg Roelofs, newt@uchicago.edu); NOT TESTED
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# [based on posting 940824 by "Dirk/Elastik", husberg@lehtori.cc.tut.fi]
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0 string EMOD Extended MOD sound data,
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>4 byte&0xf0 x version %d
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>4 byte&0x0f x \b.%d,
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>45 byte x %d instruments
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>83 byte 0 (module)
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>83 byte 1 (song)
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# Real Audio (Magic .ra\0375)
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0 belong 0x2e7261fd realaudio sound file
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# MTM/669/FAR/S3M/ULT/XM format checking [Aaron Eppert, aeppert@dialin.ind.net]
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# Oct 31, 1995
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0 string MTM MultiTracker Module sound file
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0 string if Composer 669 Module sound data
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0 string FAR Module sound data
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0 string MAS_U ULT(imate) Module sound data
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0x2c string SCRM ScreamTracker III Module sound data
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0 string Extended Module Extended Module sound data
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# Gravis UltraSound patches
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# From <ache@nagual.ru>
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0 string GF1PATCH110\0ID#000002\0 GUS patch
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0 string GF1PATCH100\0ID#000002\0 Old GUS patch
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