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.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. SAN FRANCISCO—Today, many broadcasters and cable programmers are under increasing pressure both ...

Wireless Audio is a current hot topic in Consumer Electronics. The world is wireless in many mediums, however high quality wireless audio has been slow to emerge. Delivering seamless quality audio in ...

Audio codecs are one of the fundamental building blocks of modern media systems. The first and still most prominent MPEG audio codec is mp3, which first appeared on the market in 1998. Since then, ...

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 ...

SAN FRANCISCO—Last month's article discussed the theory behind high-end audio coding. The second half of this series will define broadcast quality and tandem coding losses, and look at their effect on ...