DTS DOLBY DIGITAL 5.1ch surround
Dolby Digital DTS soundtracks contain up to 5.1 channels of discrete audio.
Dolby Surround soundtracks contain up to 4 channels of encoded audio.
Playbcak from 2-channel DVDoutputs is compatible with stereo and Dolby Pro Logic reproduction.
DTS Digital Surround play requires the use of a DTS Decoder.