Sometimes the channels you watch on VLC media player has multiple audio channels. For example, all Nordic channels have multiple audio languages and you can select any language from the list. How to watch IPTV on VLC. How to change audio channel In order to change the audio channel, you must “Right click” on the middle of the screen and select “Audio” and then “Audio Track” as depicted in the above picture. Here you can select the language you want and the audio channel will change.