Camera Preview Latency Grows With Time Only When Using Audio

JDH

New Member
Hi.

I am having an issue with growing latency when using OBS with one of my cameras (a Dahua SD1A203T-GN). After much experimentation, I have determined that the issue only occurs when I turn the camera's audio on. The issue disappears if I turn off the camera's audio--the OBS preview latency stays constant at just under one second. In the attached log file, I have previewed the camera for 20 minutes without streaming or recording, and at the end of the 20 minutes, the latency has grown to about 4 seconds. I have other cameras that do not have this issue in OBS. There is no growing latency issue when using VLC Media Player or Blue Iris security cam software. I have tried adjusting many settings both on my camera and in OBS, with no success. Please help me resolve this issue.

Thanks for your help,

--JDH

Log file: https://obsproject.com/logs/gb9cZRKPSa_J2I4g
 
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