DD 5.1 abbr Dolby Digital 5.1

July 24, 2012

CIMM DEFINITION: A standard for compressed digital audio from Dolby Laboratories. Dolby Digital encodes 5.1 channels of digital audio (Left, Right, Center, Left Surround, Right Surround, and a Bass Channel). Dolby Digital is used in film, on DVD, in the Grand Alliance High Definition Television (GA-HDTV) standard, and some laser discs.