Ted
Follow up on those 2 links that you posted in post 8.
In "14", the audio is stereo.
In "24", the audio is 5.1 channel.
If 14 and 24 are in a stereo project, 14 will have sound but 24 will not.
If 14 and 24 are in a 5.1 channel project, both 14 and 24 will have sound.
ATR