In MPEG Layer III coding the compression gain is mainly achieved through the unequal distribution of energy in the different frequency bands, the use of the psychoacoustic model, and Huffman coding.

The ATSC has published two new Candidate Standards documenting enhancements to the AC-3 digital audio compression standard and specifying its use in digital television. This is a major step toward ...

Lossy compression schemes can be based on a source model, as in the case of speech compression, or a user or sink model, as is somewhat the case in image compression. In this chapter we look at audio ...