Python Audio Tools 2.10 (Default branch) Post: 302260007

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Special Forums News, Links, Events and Announcements Software Releases - RSS News Python Audio Tools 2.10 (Default branch) Post 302260007 by Linux Bot on Wednesday 19th of November 2008 12:50:01 PM

11-19-2008

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Python Audio Tools 2.10 (Default branch)

Python Audio Tools is a collection of audio handling programs that work from the command line. These include programs for CD extraction, track conversion from one audio format to another, track renaming and retagging, track identification, CD burning from tracks, and more. It supports internationalized track filenames and metadata using Unicode. It works with high-definition, multi-channel audio as well as CD-quality. Track conversion uses multiple CPUs or CPU cores if available to greatly speed the transcoding process. Track metadata can be retrieved from FreeDB or FreeDB-compatible servers. Audio formats supported are WAV, FLAC, WavPack, MP3, Ogg Vorbis, M4A, and more. License: GNU General Public License v2 Changes:
Support was added for several additional track metadata fields. A program was included for identifying and fixing common metadata problems such as trailing whitespace or empty fields. MP3 encoding was updated to use LAME's 0-9 quality setting instead of named presets. A build error on Mac OS X was fixed.

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afinitcompression

AFINITBYTEORDER(3)														AFINITBYTEORDER(3)

NAME

       afInitCompression - initialize compression for a track in an audio file setup

SYNOPSIS

       #include <audiofile.h>

       void afInitCompression(AFfilesetup setup, int track, int compression);

PARAMETERS

       setup is a valid file setup returned by afNewFileSetup(3).

       track specifies a track within the audio file setup. track is always AF_DEFAULT_TRACK for all currently supported file formats.

       compression is an identifier specifying the compression type (such as AF_COMPRESSION_G711_ULAW) to be used for audio data in the track.

DESCRIPTION

       Given an AFfilesetup structure created with afNewFileSetup(3) and a track identified by track (AF_DEFAULT_TRACK for all currently supported
       file formats), afInitCompression initializes the track to the specified compression.

       The following compression types are currently supported:

       AF_COMPRESSION_NONE
	   no compression

       AF_COMPRESSION_G711_ULAW
	   CCITT G.711 mu-law encoding

       AF_COMPRESSION_G711_ALAW
	   CCITT G.711 A-law encoding

       AF_COMPRESSION_IMA
	   IMA ADPCM encoding

       AF_COMPRESSION_MS_ADPCM
	   MS ADPCM encoding

       AF_COMPRESSION_FLAC
	   FLAC

       AF_COMPRESSION_ALAC
	   Apple Lossless Audio Codec

ERRORS

       afInitCompression can produce the following errors:

       AF_BAD_FILESETUP

	   setup represents an invalid file setup.

       AF_BAD_TRACKID

	   track represents an invalid track identifier.

       AF_BAD_COMPTYPE

	   compression represents an invalid compression type.

SEE ALSO

       afNewFileSetup(3), afInitSampleFormat(3)

AUTHOR

       Michael Pruett <michael@68k.org>

Audio File Library 0.3.6					    03/06/2013							AFINITBYTEORDER(3)