The Apple Lossless Audio Codec (ALAC) is an audio codec developed by
Apple and supported on iPhone, iPad, most iPods, Mac and iTunes. ALAC
is a data compression method which reduces the size of audio files with
no loss of information. A decoded ALAC stream is bit-for-bit identical
to the original uncompressed audio file.
The Apple Lossless Audio Codec project contains the sources for the
ALAC encoder and decoder. Also included is an example command line
utility, called alacconvert, to read and write audio data to/from Core
Audio Format (CAF) and WAVE files. A description of a 'magic cookie'
for use with files based on the ISO base media file format (e.g. MP4 and
M4A) is included as well.
The Apple Lossless Audio Codec sources are available under the Apache license. Details can be found here http://www.apache.org/licenses/LICENSE-2.0.
Source is
http://alac.macosforge.org/
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