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Command-line mass conversion of any directory tree of audio files.
...On Windows, it must be operated from the Cygwin environment.
It requires the following software to be installed:
- flac and metaflac (flac files only)
- vorbis-tools (ogg files only)
- faac and faad (aac files only)
- lame and madplay (mp3 files only)
- alac-decoder and mpeg4ip-utils (ALAC decode)
- ffmpeg (ALAC encode, wma decode)
- mplayer (wma decode)
- mp4v2-utils (AAC, ALAC, WAV decode)
BAC is now optimized for multiprocessing on multicore systems: a tunable number of cores can be used for simultaneous conversions.
AAC encoder, C source code,support Linux and Windows
A new AAC encoder(different with FAAC, nero aac or qtaac), very good quality. support Linux and Windows platform.
Support 6 speed level, default is 3. level 3 can supply good quality of the AAC file, if you want the best quality, use level 1, but the speed is slow.