Variable bit rates in both video and audio are a pain and very likely to cause sync problems IMHO. Always use CBR where possible.

Ryclark, you may be mistaking bit rate with frame rate. All video/audio for streaming and normal delivery is vbr, very few exceptions.

in the render, the audio becomes more and more off as the video goes on. We will post our media info at the bottom.
 

Are you recording the audio separately or as real-time overdub in Vegas? Both have special considerations for sync, and you cannot expect audio recorded sepsrately with an unslaved clock to line up at beginning AND end.

The vastly preferred method is to not to have to resync in post, but there is an extension called Pluraleyes if you're stuck.

No I wasn't confusing bit rate with frame rate. But extrapolating from my experience of VBR in audio format editing and compression. 😉

In 2018, all normal commercial delivery and streaming is vbr.

It's a bandwidth thing.

Vbr doesnt affect frame indexing by itself. Dropped frames do, and that may be part of the reported problem.

Thanks for taking it that direction.

Brandon, in addition to the requested information, is this a tv broadcast recording? If so, there are special considerations and a possible fix called VideoRedo.

Is that MediaInfo for the source video or the rendered file?

It's the rendered video

What format are you rendering to?

MP4

How was the source video created?

We use a program called ArcSoft Showbiz to capture the PS2 footage since apparently Vegas doesn't recognize our A/V capture device, then we import it to Vegas to edit/render

Which version of VP15 are you using?

15.0 (build 361)

Variable bit rates in both video and audio are a pain and very likely to cause sync problems IMHO. Always use CBR where possible.

CBR? Sorry, I am very illiterate when it comes to this kind of stuff.

Also, I thought I should mention how we go about getting our recordings. We haven't had any trouble with getting H/D capture on Vegas' in house game capture so far, so only step 1 is for A/V capture

1. Start the game capture on Showbiz
2. Go to Vegas and start recording audio, since we don't really know how to capture both at once.
3. After we capture what we need for a session, end both game and audio capture
4. Drag both our mic audio and game capture into Vegas

This is where things get weird

5. When we import the game audio and video in together (since they captured together) the video is always shorter than the audio, even though we cut both at the same time.

We can usually fix this by simply stretching just the video to meet the end of the audio and as I've mentioned before, everything looks and sounds good in the Vegas preview, it's just rendering it makes it slowly desync over time.

Finally. A nugget of revelation. Why do they wait so long?

One cannot capture using the PS3 internal playback clock, the Windows system clock, and audio card clock simultaneously without some drift from asynchronicity. Your ps3 has latency. Your video preview has latency. Your audio capture / monitor has latency. Not a perfect scenario.

Think of setting two rowboats adrift in the ocean. Will they wash ashore at exactly the same instant?

Now tie the two boats together with a 10 foot rope. Any better chance of reaching the beach together.

The "rope" in this case is SMPTE freerun timecode with genlock, which I'm pretty certain your audio card does not recognize.

When we import the game audio and video in together (since they captured together) the video is always shorter than the audio, even though we cut both at the same time.

By how much are they off? What happens if you stretch nothing? Is your project set to match video frame rate and audio sample rate? Is your video preview running at full frame rate?

Are you sure to use ASIO audio drivers and not Mapper in Vegas? That may help. Otherwise, stretching 10 minute chunks and Pluraleyes are your best options.

In my signature is a link to recommended capture settings in Vegas using OBS.

I don't know if they work with PS3. Do post back.

By how much are they off? At least a minute or so's worth What happens if you stretch nothing? Desynced, just like with the render Is your project set to match video frame rate and audio sample rate? Match with each other, or to some other measurement? Is your video preview running at full frame rate? How can you tell if it is?

Are you sure to use ASIO audio drivers and not Mapper in Vegas? I don't know, but I can check. Where would I find this? That may help. Otherwise, stretching 10 minute chunks and Pluraleyes are your best options.

In my signature is a link to recommended capture settings in Vegas using OBS. I've tried using OBS, but it won't capture any game footage. It won't even recognize my capture card. The only thing it seems to capture are windows.

I don't know if they work with PS3. Do post back. I don't know if it matters but I'm using PS4 and PS2.

 

Audio driver settings are in Preferences. We try to bypass a lot of basic questions like how to match Media settings that are already answered here and here, as well as Help, Show Me How, and What's This?, all thoughtfully provided with your program. Good luck. I don't know of a mantra for asynchronous clock frequencies, and I've been trying for fifteen years.

What I suggest you do is capture your video and add voiceover to a new timeline track. You must select ASIO drivers to monitor your audio.

Audio driver settings are in Preferences. We try to bypass a lot of basic questions that are already answered here and here.

I don't have ASIO in my driver list.

Search for ASIO drivers for your audio card, there are alternatives.

Either way you may be SOL trying to do it all at once, unless you can connect your mic to the PlayStation.

It's not our voice track that's the issue, we can sync that to the vid in post. It's the game audio that slowly desyncs from the video that is was directly recorded with that's the issue.

And what will an ASIO driver fix specifically? And what does Pluraleyes do? I just don't know why the video would be lined up and synced in the preview, but be completely off post render...