The OpenCable™ standard uses an MPEG-2 transport stream to convey compressed digital video, compressed digital audio, and ancillary data over a single 6 MHz FAT channel.
This article has been revised to reflect the following correction: Correction: May 12, 2010 An article on Monday about the sacrifices in sound quality of audio in compressed computer files misstated the common unit of measurement for the transfer rate for digital audio formats.
MP3, one of the most widely used digital audio formats, provides a high compression ratio with faithful quality.
There are other digital audio formats besides MP3, like Windows Media Audio (WMA) and Advanced Audio Coding AACC), that use dif-ferent compression.
To the uninitiated, it may seem like there are as many digital audio formats (MP3, WMA, AAC and so on) as there are brands of digital audio players (iRock, iRiver, Yepp, Nomad and others).
The major drawback with this approach is the loss of compatibility with legacy digital audio formats.
The BD-HP50U is compatible with the latest high-definition digital audio formats.
In June 1980, after complicated negotiations in Tokyo and Eindhoven, the so-called Red Book set standard specifications for the compact disc digital audio format.
Under a 1995 law, licensing fees are also due to copyright holders, like record companies, when their works are distributed in a "digital audio" format.
However, the benefits of digital audio format came with the penalty of huge data rates and difficulties in protecting copyrighted audio content over Internet.
