An audio recording and playback system that uses five or more channels plus a subwoofer. Used to enhance movies and games, the latest surround sound technologies are Dolby Atmos and DTS-X, although there are several earlier surround processing methods that are in widespread use (see Dolby Atmos
, Dolby Digital
). Following are the various speaker placements for surround sound. See 10-foot user interface
, object-based audio
, 3D audio
Audio Outputs for 7.1 Channel
Outputs to the speakers in this Oppo Blu-ray player are front (FL/FR), center (C), surround (SL/SR), surround back (SBR/SBL) and subwoofer (SW).