Out of all the manipulations that can be carried on a sampled audio signal, compression in particular deserves a section of its own to take a look at its specific characteristics.
Wikipedia contents related with Lossless data compression
Lossless and lossy audio formats for music. A comparison of lossless and lossy audio formats, focusing on the size of audio files produced by each audio format, and the time it takes to rip music CDs.
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