: This stands for Dolby Digital Plus 5.1 . It is an advanced audio compression scheme that provides six channels of surround sound (center, left, right, two rear, and a subwoofer).
Decoding the Masterpiece: A Guide to the Oppenheimer 2023 1080p BluRay Release Oppenheimer.2023.1080p.BluRay.DDP5.1 -CM- TSK.mp4
Digital media files use a specific naming convention to relay quality and source information at a glance. : This stands for Dolby Digital Plus 5