periodic noise

Question

There are always periodic noises from my audio output (my mic) in every meetings I attend. The audio noise will always appear for every certain period (let's say 18 minutes). The audio noise will stay for certain period too (e.g. 3 minutes). But these periods number will change for different occasion when I join another meeting on another day. It could be 20 minutes clear - 5 minutes noise or 17 minutes clear - 2 minutes noise. All these clear-noise-clear-noise audio sequence happen throughout the meeting. The noises are heard by my all zoom audiences but it could not be heard from room speakers or Youtube streamed video (through OBS). Thus I think this problem is zoom related.

I don't know what causes this problem. Please help me.

Below are my computer configurations when I use zoom:

- Zoom video input is from OBS virtual cam

- Zoom audio input is from external sound card connected to my computer. The external sound card get its audio input from audio mixer.

- adobe audition is running to record audio.

deddy11 · Accepted Answer

I have solved this problem by setting below configuration:Settings -> Audio -> Advance -> Signal processing by Windows audio device drivers -> On

bdavistx · Answer

I'm seeing something similar on Mac machines where the presenter's mic audio goes very choppy and fuzzy about 20 minutes into a meeting. It's repeatable on multiple Macs.

We seem to be able to not have it happen by enabling the Original Sound. settings to have High fidelity music mode AND Echo cancellation turned on And then turn "Original sound" to On from the main Zoom screen.

We too are using an external USB Audio Card with the mic plugged in to it from a pre-amp output. Tried different USB Audio cards as well.

Doesn't seem to be a problem on Windows machines.

periodic noise

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