This indicates the file uses Audio Codec 3 (also known as Dolby Digital ).
A "DVDRip AC3" release of The Fast and the Furious (2001) refers to a digital video file compressed from a physical DVD source that retains high-quality surround sound. Watch The Fast and The Furious DVDRip AC3
It typically supports 5.1 channel audio , providing discrete tracks for left, center, right, left-surround, and right-surround speakers, plus a subwoofer (LFE). This indicates the file uses Audio Codec 3
For DVDs, AC3 usually operates at a bitrate of 384 kbps or 448 kbps with a 48kHz sample rate. providing discrete tracks for left