Echo when Playing Audio from same computer

C

CELC Sound Booth

New Member
We use OBS for streaming our church services. The primary audio feed is coming from our Sound Board (Behringer X32) using microphones. Occasionally we play a video or music on the computer with the computer audio output fed to two AUX inputs on the sound board which works fine for the audio in the sanctuary. However, when playing that Audio from the computer, the streamed audio has a very clear echo so my best guess is that the audio is getting fed to OBS twice, with a slight delay between the two feeds. I am pretty sure it is not coming from the sound board so assume it is something happening in the computer. I am not in our Sound Booth right now, but looking for pointers on what settings to check on OBS to prevent this. (I am pretty much a novice at the settings that might be involved - learned just enough in the past to get it working, but just recently realized this was happening).
 
One additional piece of information. The audio from the sound board is coming into the computer on a USB feed from a audio/USB converter from an Aux Out channnel on the sound board.
 
Never mind. I figured it out. I have multiple scenes and in our primary scene, both the soundboard audio and the desktop audio were unmuted. I initially couldn't see it as the desktop audio feed was hidden on all the scenes. Once I did an "Unhide all" in audio, I could see that the desktop audio was unmuted. Why it wasn't muted, I am not sure, probably got missed during our initial setup. Once I muted the desktop audio, the echo disappeared. Sorry to bother everyone.
 
No worries
As we only use mixer audio for our services, I removed Desktop Audio from Global Audio devices... that way no unexpected 'oops'
 
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