I get to the point where I unlink the audio from the video so that it is treated as a separate layer, but then there are no options for exporting the above mentioned, specific audio types. I can export the "audio only" option by checking the box, but that doesn't export it as a compatible audio file. Even when you export it with only the audio box checked, you can't open that file with other audio editing software because it is still a video file type.
