1995-03-26 01:35:28 +03:00
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#------------------------------------------------------------------------------
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# audio: file(1) magic for sound formats
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1993-06-10 04:57:28 +04:00
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#
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1995-03-26 01:35:28 +03:00
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# from Jan Nicolai Langfeldt <janl@ifi.uio.no>,
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1993-06-10 04:57:28 +04:00
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#
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# Sun/NeXT audio data
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1995-03-26 01:35:28 +03:00
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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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1993-06-10 04:57:28 +04:00
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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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1995-03-26 01:35:28 +03:00
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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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1993-06-10 04:57:28 +04:00
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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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1995-03-26 01:35:28 +03:00
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>16 belong >0 %d Hz
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1993-06-10 04:57:28 +04:00
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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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1995-03-26 01:35:28 +03:00
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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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1993-06-10 04:57:28 +04:00
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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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1995-03-26 01:35:28 +03:00
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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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1993-06-10 04:57:28 +04:00
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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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1995-03-26 01:35:28 +03:00
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>16 lelong >0 %d Hz
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1993-06-10 04:57:28 +04:00
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# Bytes 0-3 of AIFF, AIFF-C, & 8SVX audio files are "FORM"
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8 string AIFF AIFF audio data
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8 string AIFC AIFF-C audio data
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8 string 8SVX IFF/8SVX audio data
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1995-03-26 01:35:28 +03:00
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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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# [GRR 950115: probably all of the shorts and longs should be leshort/lelong]
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0 string RIFF Microsoft RIFF
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>8 string WAVE - WAVE format
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>34 short >0 %d bit
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>22 short =1 Mono
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>22 short =2 Stereo
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>22 short >2 %d Channels
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>24 long >0 %d Hz
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