Definition: Dolby Digital Plus is a high definition digital-based surround sound format that supports up to 8-channels of surround decoding, but also contains a standard Dolby Digital 5.1 bitstream that is compatible with standard Dolby Digital-equipped receivers. Dolby Digital Plus is one of the several audio formats designed and employed by Blu-ray Disc and HD-DVD technologies.Dolby Digital Plus is compatible with the audio portion of the HDMI interface interface. For more technical details, go to the official Dolby Digital Plus page.



