Trade.Information

Details of AC3

This is the 5.1-channel sound system specified in the digital-HDTV standard. Also known as Dolby Digital, AC-3 delivers CD-quality digital audio and provides five full-bandwidth channels for front left, front right, center, surround left and surround right speakers, plus an LFE (low-frequency effect) subwoofer, for a total of 5.1 channels.

See also

Dolby Digital