NetBSD/usr.bin/file/magdir/audio

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#
# Sound formats, from Jan Nicolai Langfeldt <janl@ifi.uio.no>,
#
# Sun/NeXT audio data
0 string .snd audio data:
>12 belong 1 8-bit u-law,
>12 belong 2 8-bit linear PCM,
>12 belong 3 16-bit linear PCM,
>12 belong 4 24-bit linear PCM,
>12 belong 5 32-bit linear PCM,
>12 belong 6 32-bit floating point,
>12 belong 7 64-bit floating point,
>12 belong 23 compressed (G.721 ADPCM),
>20 belong 1 mono,
>20 belong 2 stereo,
>20 belong 4 quad,
>16 belong x %d Hz
# DEC systems (e.g. DECstation 5000) use a variant of the Sun/NeXT format
# that uses little-endian encoding and has a different magic number
# (0x0064732E in little-endian encoding).
0 lelong 0x0064732E DEC audio data:
>12 lelong 1 8-bit u-law,
>12 lelong 2 8-bit linear PCM,
>12 lelong 3 16-bit linear PCM,
>12 lelong 4 24-bit linear PCM,
>12 lelong 5 32-bit linear PCM,
>12 lelong 6 32-bit floating point,
>12 lelong 7 64-bit floating point,
>12 lelong 23 compressed (G.721 ADPCM),
>20 lelong 1 mono,
>20 lelong 2 stereo,
>20 lelong 4 quad,
>16 lelong x %d Hz
# Bytes 0-3 of AIFF, AIFF-C, & 8SVX audio files are "FORM"
8 string AIFF AIFF audio data
8 string AIFC AIFF-C audio data
8 string 8SVX IFF/8SVX audio data
# Bytes 0-3 of Waveform (*.wav) audio files are "RIFF"
8 string WAVE Waveform audio data
0 string Creative\ Voice\ File Soundblaster audio data
0 long 0x4e54524b MultiTrack sound data file
>4 long x - version %ld