Dual audio files contain more than one language track (typically English and a local language like Hindi) in a single file. You do not "install" them; you play them using a media player that supports track switching. : Open the movie file in VLC Media Player . Right-click anywhere on the video while it is playing. Go to Audio > Audio Track .
The term refers to a video file containing two separate audio tracks, typically in different languages (e.g., English and Hindi). 300 2006 www10xflixcom dual audio movie 1 install