Dolby® Digital Plus is a highly scaleable transmission or consumer bitstream for delivering mono, stereo or surround sound (5.1, 7.1) with or without audio description. It is used for BluRay, DVB/DTV and IPTV. Coding process is „Enhanced Adaptive Transform Coding No.3, also called E-AC-3.Metadata accompaying the audio are applied to the audio in the consumers DD+ decoder, some parameters can be controlled by the user (including mixing ratio from main mix and audio description).

See also:

• Dolby® Broadcast Formats

• www.dolby.com