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What is Apple Lossless Encoding?

April 26, 2017Apple encoding lossless

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What is Apple Lossless Encoding?

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Apple Lossless (also known as Apple Lossless Encoder, ALE, or Apple Lossless Audio Codec, ALAC) is an audio codec developed by Apple Computer for lossless encoding of digital music. Apple Lossless data is stored within an MP4 container with the filename extension .m4a. It is not a variant of AAC, but a totally new codec. iPods with a dock connector and recent firmware can play Apple Lossless encoded files. It does not utilize any digital restrictions management scheme, but by the nature of the container, it is thought that DRM can be applied to ALAC much the same way it can with other files in QuickTime containers. Apple claims that audio files compressed with its lossless codec will use up about half the storage space that the uncompressed data would require. The Apple Lossless Encoder was introduced as a component of QuickTime 6.5.1 on April 28, 2004 and thus as a feature of iTunes 4.5. The codec is also used in the AirPort Express’s AirTunes implementation. What is ‘Real Audio’ (.RA