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TheThrillness
TheThrillness
Edit history:
TheThrillness: 2014-01-08 04:36:19 am
TheThrillness: 2014-01-08 03:59:19 am
2014-01-08 03:58:58 am
thethrillness.blogspot.com
Since XSplit fails to support the PEXHDCAP/SC-512 audio directly I've been looking into supplying XSplit with the Live outputs for both video and audio.

XSplit loves "Amarec Video Capture" but when I add "Amarec Audio Capture" it sounds really bad. I attached a video. At first I play the muted audio directly inside Amarec to show what it should sound like and then I mute that and add in Audio Capture to show you what I get. I know it's not a problem with Amarec because I've selected the audio capture in VDub and listened to it and it sounds fine. Obviously it's an easy fix if you play the sound through your PC but I'd rather not.

Thread title:  
Attachment:
xsplitamarecaudio.mp4
honorableJay
2014-01-14 07:02:28 pm
The Dork Knight himself.
It could be some incompatibility with the audio capture you're using in Amarec. Try changing your device audio capture in Amarec to 44100khz and set the Live tab also to 44100khz and see if that resolves it. If not, then it could be a problem with XSplit. If that's the case, try using OBS just to test and see if that sounds better.
TheThrillness
TheThrillness
Edit history:
TheThrillness: 2014-01-14 08:01:59 pm
2014-01-14 07:58:25 pm
thethrillness.blogspot.com
Set it to 44100 and still the same issue.

OBS does the same if you output audio to the desktop but if you select to just output audio to the stream and do a test recording it sounds fine.... how strange.

Additionally OBS sounded a tad wrong on playback with 44100 but fine with 48000. It was like it was missing a beat every few seconds.
honorableJay
2014-01-15 12:08:39 am
The Dork Knight himself.
Probably some sort of audio desync from not resampling the audio stream correctly. Sounds like the base issue is the streaming program having hiccups from trying to send the audio stream to the desktop and recording it to the stream at the same time. It's probably stacking the audio numerous times (first the game audio, then sending the game audio to the desktop, then capturing the desktop audio for the stream, etc etc).
TheThrillness
2014-01-15 06:47:25 am
thethrillness.blogspot.com
Yeah I thought it would be something like that. I am rather puzzled though because surely one person has used Amarec's live output to XSplit.
honorableJay
2014-01-15 03:11:29 pm
The Dork Knight himself.
I used to do it with no problems, but that was ages ago. It's possible a recent XSplit update did something bad.
TheThrillness
TheThrillness
Edit history:
TheThrillness: 2014-01-15 04:21:19 pm
2014-01-15 04:19:37 pm
thethrillness.blogspot.com
More troubleshooting steps. Tried with a different capture card and two different Amarec versions (2.31 and 3.00) and same issue. I even went as far as changing the sampling frequency on my soundcard.

I'm not that bothered since well OBS is mainly used but still, annoying to not solve a problem. I just feel so dissatisfied when that happens.