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Audio File Formats FAQ
Chris Bagwell,
[email protected]
v4.0, 14 Nov 1998
This document provides a description of how audio files are used on various computer platforms and provides a detailed description of their internal formats.
1.
Introduction.
2.
Device characteristics.
3.
Popular sampling rates.
4.
Compression schemes.
4.1 ITU-T G.711, u-law and A-law.
4.2 CCITT G.721, G.723, and ITU-T G.726.
4.3 IMA/DVI ADPCM
4.4 Microsoft ADPCM
4.5 LPC-10E
4.6 CELP
4.7 GSM 06.10.
4.8 shorten.
4.9 Real Audio
4.10 MPEG
4.11 Misc.
5.
Current hardware.
6.
Overview of file formats.
6.1 Self-describing file formats.
6.2 Headerless file formats.
7.
File conversions.
7.1 SOX (UNIX, PC, Amiga)
7.2 Sun Sparc.
7.3 NeXT.
7.4 SGI Indigo, Indigo2, Indy and Personal IRIS.
7.5 Amiga.
7.6 Apple Macintosh
8.
Playing audio files on UNIX.
8.1 Sun Sparcstation running SunOS 4.x.
8.2 Solaris.
8.3 NeXT
8.4 SGI Indigo, Indigo2, Indy and Personal IRIS.
8.5 Linux
8.6 Others.
9.
Playing audio files on the Vaxstation 4000 (VMS).
9.1 Without DECsound.
9.2 With DECsound (bundled with motif).
9.3 Audio port.
10.
Playing audio files on a PC.
10.1 PC or compatible.
10.2 IBM PC and compatibles.
10.3 Atari.
10.4 Tandy.
10.5 Amiga.
10.6 Apple Macintosh.
11.
File Formats.
11.1 AIFF Format (Audio IFF) and AIFC.
11.2 The NeXT/Sun audio file format.
11.3 IFF/8SVX Format.
11.4 US Federal Standard 1016 availability.
11.5 Creative Voice (VOC) file format.
11.6 RIFF WAVE (.WAV) file format.
11.7 u-law and A-law definitions.
11.8 AVR File Format.
11.9 The Amiga MOD Format.
11.10 The Sample Vision Format.
11.11 Tandy Deskmate .snd Format Notes.
11.12 Miscellaneous Formats.
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