I must convert audio files to mp3 using ffmpeg. I agree with wmcclain. In case you only need to change the audio format, I recommend you extract the audio from MKV file to MP3 format, then using video editor(windows movie maker) so as to a…

Easy methods to convert MP3 to AC3 online with MP3 to AC3 Converter? It is AC3 format proper now. If you're going to perform some modifying on it, I might import it as a wav file for that purpose so no additional degradation takes place. W…