[Webkit-unassigned] [Bug 235544] macOS Safari 15.2 Audio Echo Issue after camera pause/unpause

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Feb 18 11:18:31 PST 2022


https://bugs.webkit.org/show_bug.cgi?id=235544

--- Comment #6 from Daniel ORorke - Vonage <daniel.ororke at gmail.com> ---
For some reason, this is becoming increasingly common. Please prioritize, as it renders video sessions unusable from the audio disturbance.

I have observed that if another party is screen sharing, the echo is observed on join - no user interaction is necessary.

repro:
User A: Publish camera, mic, and screen share.
Broken User B: Publish camera and mic on joining a session with User A.

Broken User B can hear themselves, and this causes considerable feedback as it is passed unchecked through the noise canceler to User A. If it gets loud enough, the noise canceler clamps down and stops all noise but it restarts as soon as any sound is heard through the microphone.


Observation: In this condition, it is as though I have made a direct connection from the mic to the speakers, outside of the typical WebRTC subscription.
When wearing headphones, I can hear myself (but no feedback is picked up by the mic since it is played locally to my headphones). You should not hear yourself unless you are subscribing to yourself.

Changing the microphone to a different device, then back to the original device may temporarily solve this issue.

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