: This refers to the audio channels. A 5.1 setup delivers immersive surround sound, utilizing five standard speakers and one subwoofer for deep bass.
The highly specific file name in your prompt, The.Vow.2012.BluRay.1080p.5.1CH.x264.G... , is a standard naming convention used in digital video archiving and file sharing. This exact string tells us everything about the digital quality of the movie you are watching. Decoding the File Name subtitle The.Vow.2012.BluRay.1080p.5.1CH.x264.G...
: The official title of the movie and its release year. : This refers to the audio channels
