It's not normal for me. What could I have clicked to turn a single waveform into two. I've done 50+ projects and this is the first time it looks like this. This happened in the middle of me editing. I literally clicked something by accident (like you do in Vegas when you are not great at it)

The way I record audio is two lav mics that are recorded on one track. (two lav mics > adapter > camera) I can't manipulate them separately. So when I have imported them, they have always shown only one waveform.

Were those other projects edited in Vegas Pro? Because you only get one waveform on Vegas Pro's timeline if the original audio track is recorded as one-track mono. I've never seen Vegas Pro display stereo audio with one waveform on the timeline by default or of any setting to make it do so; however, it can be done audio event by audio event by R clicking the event, click the 'Channels' option in the context menu and select 'Combine'. This changes the timeline display to one waveform on the timeline but at the same time converts the stereo audio to mono.

What you are describing is the behaviour that occurs in daVinci Resolve where the default timeline setting is to show only one waveform even if the audio track is stereo.

The way I record audio is two lav mics that are recorded on one track. (two lav mics > adapter > camera) I can't manipulate them separately. So when I have imported them, they have always shown only one waveform.

You might want to check the original audio recording to make sure that it did record in mono, not stereo. Use a report from the free MediaInfo app - in Tree or Text view mode - to see how many channels were originally recorded. If the original recording is listed as two channels (rather than one channel) then the two waveforms is exactly the expected appearance on Vegas Pro's timeline.

I have only ever used Vegas. And I have recorded 80+ one hour Youtube shows the same way (movie reviews, I work at a video store). Here is an old screen shot I took a while back. This is how is has always looked. (this is an old project)

That is how it shows up when I import the video. And thats how it looked right up until I clicked something. Now, every track I create on every new project does this. And to repeat, it has never done in the last three or four years of recording a show every two weeks.

Using Combine works, but that is how it normally just looked to start with. It's like I ticked some universal switch

Maybe you've altered this in Options/General Preferences

Maybe you've altered this in Options/General Preferences

That is not ticked

I want to say I had the right mouse button down and I clicked on a menu that had popped up while I was over an audio track, I think. My mouse is also dying and it is double clicking sometimes, so that can't be helpful. Sorry, I am so stupid.

 I am recording in Mono, as far as I know, (two mics onto one track).

Please double-check that using a MediaInfo report - it's hard to believe that a single channel audio track would show as being a two-channels recording in Vegas Pro.

This is an old movie with single mono track and it shows in VP21 as a single audio track.

 I am recording in Mono, as far as I know, (two mics onto one track).

Please double-check that using a MediaInfo report - it's hard to believe that a single channel audio track would show as being a two-channels recording in Vegas Pro.

I posted this above, I dont know if you have seen it, or if it helps.

Regardless of how this was recorded, or how Vegas usually does things, the fact is I've done tens of hours of work and ALL of it has shown up as one waveform. And this changed in the middle of working on it. And it to make it even more weird. From what I can remember, it only appeared on one track (I am using a few tracks). But when Vegas crashed (lol), upon reload it was all tracks.

It shows your audio stream as 2 channels, not one.

It shows your audio stream as 2 channels, not one.

Ok. But why did it change in media res? That's the weird thing. I've done dumb shit like this before, clicking something and trying to figure out what I did. I am no expert. It's just frustrating when you can't change it back.

It's not the biggest deal, but since it was one waveform for so long (since always), I could read every "Ummmm" and "ahhhh" spoken by their form which made editing them out even easier.

Maybe go back to a recording used in one of your old projects where only one waveform appeared in Vegas Pro and run a MediaInfo report on that media to see whether it has one or two channels.

Hi . If you select the audio track then scroll down to channels, you have the option to choose both, left or right or combined. you may previously defaulted to "combined" before.

If you select the audio track then scroll down to channels, you have the option to choose both, left or right or combined. you may previously defaulted to "combined" before.

Yes, but that has to be done event-by-event as I pointed out earlier - or as a copy/paste process event to other events.

you may previously defaulted to "combined" before.

@TVJohn  ... Would you please show the Vegas Pro setting that makes that 'combined' audio to one channel possible as a default.

You want lefte-channel-only audio from stereo source? Not going to question your reason, but not going to be of assistance today. Welcome to the discussions.

I have used Vegas since sonic foundry days and have never had a source show up with a single waveform unless it was a mono track. Is there a chance you have changed your hardware audio device? Maybe you had one that was mono only or was set to record mono only.