Apple Lossless Encoding (also known as Apple Lossless, Apple Lossless Audio Codec or ALE) is an audio codec developed by Apple Computer that provides full, uncompressed CD-quality audio in about half the space of the original file.
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 compression of digital music.