Dolby Digital
What is Dolby Digital?
Dolby Digital is the marketing name for a series of lossy audio compression technologies developed by Dolby Laboratories.
Dolby Digital includes several similar technologies, which include Dolby Digital, Dolby Digital EX, Dolby Digital Live, Dolby Digital Surround EX, Dolby Digital Plus, and Dolby TrueHD. Most of the above formats can be decoded by the majority of today’s better A/V receivers and processors.
Dolby Digital, or AC-3, is a version of audio encoding containing up to six discrete channels of sound. The most elaborate mode in common usage involves five channels for normal-range speakers (20 Hz – 20,000 Hz) (right front, center, left front, right rear and left rear) and one channel (20 Hz – 120) for the subwoofer driven low-frequency effects. Mono and stereo modes are also supported. AC-3 supports audio sample-rates up to 48 kHz.
|
 |
|
|
