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audio.orig

audio.orig 4.0 KB
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  1. 

  2. #------------------------------------------------------------------------------
    3. 

  3. # audio:  file(1) magic for sound formats (see also "iff")
    4. 

  4. #
    5. 

  5. # Jan Nicolai Langfeldt (janl@ifi.uio.no), Dan Quinlan (quinlan@yggdrasil.com),
    6. 

  6. # and others
    7. 

  7. #
    8. 

  8. 

  9. # Sun/NeXT audio data
    10. 

  10. 0	string		.snd		Sun/NeXT audio data:
    11. 

  11. >12	belong		1		8-bit ISDN u-law,
    12. 

  12. >12	belong		2		8-bit linear PCM [REF-PCM],
    13. 

  13. >12	belong		3		16-bit linear PCM,
    14. 

  14. >12	belong		4		24-bit linear PCM,
    15. 

  15. >12	belong		5		32-bit linear PCM,
    16. 

  16. >12	belong		6		32-bit IEEE floating point,
    17. 

  17. >12	belong		7		64-bit IEEE floating point,
    18. 

  18. >12	belong		23		8-bit ISDN u-law compressed (CCITT G.721 ADPCM voice data encoding),
    19. 

  19. >12	belong		24		compressed (8-bit G.722 ADPCM)
    20. 

  20. >12	belong		25		compressed (3-bit G.723 ADPCM),
    21. 

  21. >12	belong		26		compressed (5-bit G.723 ADPCM),
    22. 

  22. >12	belong		27		8-bit A-law,
    23. 

  23. >20	belong		1		mono,
    24. 

  24. >20	belong		2		stereo,
    25. 

  25. >20	belong		4		quad,
    26. 

  26. >16	belong		>0		%d Hz
    27. 

  27. 

  28. # DEC systems (e.g. DECstation 5000) use a variant of the Sun/NeXT format
    29. 

  29. # that uses little-endian encoding and has a different magic number
    30. 

  30. 0	lelong		0x0064732E	DEC audio data:
    31. 

  31. >12	lelong		1		8-bit ISDN u-law,
    32. 

  32. >12	lelong		2		8-bit linear PCM [REF-PCM],
    33. 

  33. >12	lelong		3		16-bit linear PCM,
    34. 

  34. >12	lelong		4		24-bit linear PCM,
    35. 

  35. >12	lelong		5		32-bit linear PCM,
    36. 

  36. >12	lelong		6		32-bit IEEE floating point,
    37. 

  37. >12	lelong		7		64-bit IEEE floating point,
    38. 

  38. >12	lelong		23		8-bit ISDN u-law compressed (CCITT G.721 ADPCM voice data encoding),
    39. 

  39. >20	lelong		1		mono,
    40. 

  40. >20	lelong		2		stereo,
    41. 

  41. >20	lelong		4		quad,
    42. 

  42. >16	lelong		>0		%d Hz
    43. 

  43. 

  44. # Creative Labs AUDIO stuff
    45. 

  45. 0	string	MThd			Standard MIDI data
    46. 

  46. >9 	byte	>0			(format %d)
    47. 

  47. >11	byte	>1			using %d tracks
    48. 

  48. 0	string	CTMF			Creative Music (CMF) data
    49. 

  49. 0	string	SBI			SoundBlaster instrument data
    50. 

  50. 0	string	Creative\ Voice\ File	Creative Labs voice data
    51. 

  51. # is this next line right?  it came this way...
    52. 

  52. >19	byte	0x1A
    53. 

  53. >23	byte	>0			- version %d
    54. 

  54. >22	byte	>0			\b.%d
    55. 

  55. 

  56. # first entry is also the string "NTRK"
    57. 

  57. 0	belong		0x4e54524b	MultiTrack sound data
    58. 

  58. >4	belong		x		- version %ld
    59. 

  59. 

  60. # Extended MOD format (*.emd) (Greg Roelofs, newt@uchicago.edu); NOT TESTED
    61. 

  61. # [based on posting 940824 by "Dirk/Elastik", husberg@lehtori.cc.tut.fi]
    62. 

  62. 0	string		EMOD		Extended MOD sound data,
    63. 

  63. >4	byte&0xf0	x		version %d
    64. 

  64. >4	byte&0x0f	x		\b.%d,
    65. 

  65. >45	byte		x		%d instruments
    66. 

  66. >83	byte		0		(module)
    67. 

  67. >83	byte		1		(song)
    68. 

  68. 

  69. # Real Audio (Magic .ra\0375)
    70. 

  70. 0	belong		0x2e7261fd	realaudio sound file
    71. 

  71. 

  72. # MTM/669/FAR/S3M/ULT/XM format checking [Aaron Eppert, aeppert@dialin.ind.net]
    73. 

  73. # Oct 31, 1995
    74. 

  74. 0	string		MTM		MultiTracker Module sound file
    75. 

  75. 0	string		if		Composer 669 Module sound data
    76. 

  76. 0	string		FAR		Module sound data
    77. 

  77. 0	string		MAS_U		ULT(imate) Module sound data
    78. 

  78. 0x2c	string		SCRM		ScreamTracker III Module sound data
    79. 

  79. 0	string		Extended Module	Extended Module sound data
    80. 

  80. 

  81. # Gravis UltraSound patches
    82. 

  82. # From <ache@nagual.ru>
    83. 

  83. 

  84. 0	string		GF1PATCH110\0ID#000002\0	GUS patch
    85. 

  85. 0	string		GF1PATCH100\0ID#000002\0	Old GUS	patch
    86. 

  86. 

  87. #
    88. 

  88. # Taken from loader code from mikmod version 2.14
    89. 

  89. # by Steve McIntyre (stevem@chiark.greenend.org.uk)
    90. 

  90. 0	string	JN		extended 669 module data
    91. 

  91. 0	string	MAS_UTrack_V00
    92. 

  92. >14	string	>/0		ultratracker V1.%.1s module sound data
    93. 

  93. 0	string	UN05		MikMod UNI format module sound data
    94. 

  94. 0	string	Extended\ Module: Fasttracker II module sound data
    95. 

  95. 21	string	!SCREAM!	Screamtracker 2 module sound data
    96. 

  96. 1080	string	M.K.		4-channel Protracker module sound data
    97. 

  97. 1080	string	M!K!		4-channel Protracker module sound data
    98. 

  98. 1080	string	FLT4		4-channel Startracker module sound data
    99. 

  99. 1080	string	4CHN		4-channel Fasttracker module sound data
    100. 

  100. 1080	string	6CHN		6-channel Fasttracker module sound data
    101. 

  101. 1080	string	8CHN		8-channel Fasttracker module sound data
    102. 

  102. 1080	string	CD81		8-channel Oktalyzer module sound data
    103. 

  103. 1080	string	OKTA		8-channel Oktalyzer module sound data
    104. 

  104. 1082	string	CH
    105. 

  105. >1080	string	>/0		%.2s-channel Fasttracker "oktalyzer" module sound data
    106. 

  106. 1080	string	16CN		16-channel Taketracker module sound data
    107. 

  107. 1080	string	32CN		32-channel Taketracker module sound data
    108. 

  108. 

  109. # TOC sound files -Trevor Johnson <trevor@jpj.net>
    110. 

  110. #
    111. 

  111. 0       string          TOC             TOC sound file
    112.