Question / Help Cannot select AAC encoding

node357

New Member
Hi, thanks for making OBS. It's great. I am having two minor audio issues. One, I can only select MP3 for audio encoding, and two, my video lags behind the audio when I stream. I tried the offset box in advanced options, but it doesn't seem to be helping. I use Vista x86 with onboard audio chipset, and NVIDIA GeForce 9800 GT video, with 3.25 GB RAM. Hope someone can help.
 

FerretBomb

Active Member
Not sure about the AAC thing, but for the audio lag (assuming it's your desktop audio, not your microphone not sync'ing with your webcam) go to Settings->Advanced and tick the 'Force desktop audio to use video timestamps as a base for audio time' box.

The mic offset you'll have to set in Settings->Audio, and test with it to get it to match up with your webcam. But if the game audio is ahead/behind the video, the above likely will fix it (I was getting the same thing and had to use this myself).
 

node357

New Member
dehixem said:
Hello, try the solution offered in this topic http://obsproject.com/forum/viewtopic.php?f=5&t=3518 it worked fine for me :) Hope it works;
Thank you for the suggestion. Unfortunately, being on Vista, there's nothing I can set compatibility to. :(

FerretBomb said:
Not sure about the AAC thing, but for the audio lag (assuming it's your desktop audio, not your microphone not sync'ing with your webcam) go to Settings->Advanced and tick the 'Force desktop audio to use video timestamps as a base for audio time' box.
Thanks, this fixed the lag/desync issue.
 

FerretBomb

Active Member
Should be able to still set compatability to WinXP, Win98/95 and so on. I know there's an XP-64 out there, so it could help. Worth a shot, right?
May be stuck running the 32-bit version instead. I'd recommend opening a thread in the Bug forum (or searching and adding on a 'I am having this issue as well' to an existing thread about the Vista64 AAC-missing issue.

Glad to hear the desync is handled. :)
 

node357

New Member
I'm using Vista 32-bit (I thought that's what x86 was but I guess I was mistaken). So, I'm not sure why I can't use AAC. Compatibility modes don't seem to help.
 
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