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lossless audio compression
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audio, compression Any kind of audio compression in which
the original signal and the decoded signal are bitwise
identical. Lossless audio compression algorithms are usually
based on a data compression algorithm like PKzip or gzip
but specialized for PCM audio data. The signal is divided
into predictable tonal components and unpredictable noisy
components. Tonal components are stored as coefficients of a
predictor, the remaining signal is coded by a Rice,
Huffman, or arithmetic coder.