Apple Lossless Audio Codec

The Apple Lossless Audio Codec (ALAC), also known as Apple Lossless, or Apple Lossless Encoder (ALE), is an audio coding format, and its reference audio codec implementation, developed by Apple Inc. for lossless data compression of digital music. After initially keeping it proprietary from its inception in 2004, in late 2011 Apple made the codec available open source and royalty-free. Traditionally, Apple has referred to the codec as Apple Lossless, though more recently it has begun to use the abbreviated term ALAC when referring to the codec.

Apple Lossless Audio Codec
Developer(s)Apple Inc.
Initial releaseApril 28, 2004 (2004-04-28)
Stable release
October 28, 2011 (2011-10-28)
Repository
TypeAudio codec
LicenseApache License 2.0
Websitealac.macosforge.org
Filename extension
Developed byApple Inc.
Type of formatLossless audio
Contained byMPEG-4 Part 14
Open format?Yes
Free format?Yes
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