The error “Avidemux cannot use that file as audio track” is Avidemux’s polite way of saying “give me a simple, standard audio file.” Convert your audio to or CBR MP3 , and Avidemux will happily accept it.

. Avidemux generally requires external audio tracks to be in raw or specific formats like WAV, MP3, or AC3 to properly mux them with video. Common Causes Unsupported Containers : You are trying to load an