The "5.1" designation means the audio is split into five full-bandwidth channels (Left, Center, Right, Left Surround, Right Surround) and one low-frequency effects channel (the subwoofer).
: Use robust, open-source media players like VLC Media Player , MPV , or PotPlayer . These programs come pre-packaged with internal HEVC codecs. raaz20021080pamznwebripddp51hevcddre high quality
: High-Efficiency Video Coding, which provides high quality at a smaller file size than traditional H.264. The "5