Having one file with two audio streams is more space-efficient than storing two different versions of the same high-definition film. How to Switch Audio Tracks
I am providing a breakdown based on the most likely intent: that you are looking for information on how work and how to use them. Understanding Dual Audio Movies Moviesmore In Dual Audio Movies
If you have downloaded a movie from a source like , you might find it starts playing in a language you don't prefer. Switching is usually a simple process depending on your media player: Having one file with two audio streams is