Comments

john_dennis wrote on 8/11/2014, 3:30 PM
Probably 11 different ways to do this, (+11 more in Sound Forge). The first that comes to mind:

Drag the pan slider to the channel that you want to keep.

Tools / Render to New Track (edit) Select Mono in render options

Work with the new track.

Mute or delete the old track.

(edit) Mono audio will be applied to both channels in a final stereo render.
VMP wrote on 8/11/2014, 3:42 PM
You can also right click on the audio event then choose channels-> choose the option you want.

VMP
richard-amirault wrote on 8/11/2014, 4:19 PM
How do I split the two channel audio track?

Reading into this I will answer what I think you are asking.

You have a source that only records on one side of a stereo track (either on the left side, or on the right side) The remaining side is blank/empty.

To "fix" this .. right click on the audio track and select CHANNELS ... then select the channel that has your audio. Vegas will then throw away the empty track and will expand the remaining track to full height.

You now have a mono track. When you render your video you will end up with the same sound in both the left and right sides.
rraud wrote on 8/11/2014, 5:28 PM
To elaborate, If for instance you have a lav mic on the left and boom mic on the right of a stereo file, duplicate the track and follow Brighterside's post, For one track select Channel> 'Left, the other Right. These will be by default, mono and panned to the center.. typically where they should be and will come out of both L-R channels equally.
Technically known as phantom center. For all intents and purposes, it's the same as a stereo file with the exact same audio on both sides
Geoff_Wood wrote on 8/11/2014, 10:56 PM
'Duplicate' the track/event first (many v.easy ways of doing this !) , then in event properties select Channels L-only for one instance and R-only for the other.

geoff
jccairs wrote on 8/13/2014, 4:32 AM
ALL of you, THANK YOU VERY MUCH!!!