Extracting MP4 Audio Track

[Sakuya]

I have an MP4 video file. Is there a way to extract the audio within it as is? I've been told the MP4 has a AC3 5.1 track.

[setarip_old]

Hi!

Try "YAMB"...

[bond]

mp4 files have no ac3 tracks. they have normally aac (or sometimes mp3) audio