Logitech webcam in audio loop

My webcam ends up in a weird audio loop which is broadcast to everyone. Even if I log out of Teams or Zoom it continues. It didnt happen before I upgraded to Monterey. rebooting the Mac fixes it. Also unplugging the USB-C and reconnecting it fixes it. Any ideas, its very annoying to users on the other end?

MacBook Air 13″, macOS 12.2

Posted on Mar 3, 2022 2:35 AM

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Posted on May 4, 2022 9:37 AM

I downloaded Logitune software (wasn't easily found or listed on Logitech's site) and through that, I updated the firmware on both home and office cameras. I've not had the issue since (5-6 weeks ago), so it appears it resolved my issue.


Logitech rep told me if it didn't work, I'd have to bypass the docking station I use.

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May 4, 2022 9:37 AM in response to SIANB

I downloaded Logitune software (wasn't easily found or listed on Logitech's site) and through that, I updated the firmware on both home and office cameras. I've not had the issue since (5-6 weeks ago), so it appears it resolved my issue.


Logitech rep told me if it didn't work, I'd have to bypass the docking station I use.

May 14, 2022 7:53 PM in response to SIANB

I can confirm that the fix, or workaround, for a Logitech Brio is to connect the camera to the Mac via a USB C to USB C cable (so directly to a USB C port).


This was acknowledged by Logitech support. Whether there will be a fix isn't known. I'd say it depends on how deeply the issue is buried in the differences between the USB A and USB C ports on the Mac's hardware or firmware

May 17, 2022 2:27 AM in response to mbnet1984

I tried every fix I could find through the community feeds with no luck, so resorted to using a separate USB microphone and switching off the inbuilt Logitech microphone. Problem solved.


For a double-check, I also tried it on a separate iMac - in MS Teams I used the Logi camera and the iMac inbuilt microphone. Again no problem. So it appears to be something to do with the Logi microphone. Using a completely separate USB microphone results in no problems. An added bit of expense, but solves the issue.

Apr 20, 2022 6:39 PM in response to MiRi243

Hope it does. I was told by Logitech it could be the older firmware or docking station. I wasn’t about to accept bypassing the dock and going straight to usb. I have two of these cameras at home and office and both has the issue. Luckily I updated both and no issues.


i had the G-hub software and thought that was keeping the camera updated, but had to download a different software to update and neither camera messes up anymore.


Best of luck.

Mar 5, 2022 7:15 PM in response to SIANB

Audio looping is typically caused by the audio coming out of the speakers, getting picked up by a microphone and fed back into an audio / video conference where there is a slight delay. We used to have physical conference rooms that were connected to the meeting with microphones on the table or in the ceiling and speakers. If someone joined the conference with their laptop and were present in the conference room we would get the audio looping problem. As the laptop microphone would pickup the audio from the rooms speakers and pipe it back into the audio conference where it would play back on a slight delay and then the playback looped through the microphone again, etc. etc, etc.


Try turning down your speakers volume, especially if external and adjusting your microphones sensitivity. Or consider using headphones with a built-in microphone or still use the Logitech microphone.

Mar 23, 2022 6:45 AM in response to James Brickley

James, the issue isn't the mic picking up speaker noise or that type of feedback. It will take some noise (perhaps what I said, or what someone on a video call said) and just repeat it over and over. If I mute the USB mic, it goes away, and if I use the Mac onboard Mic, it goes away. as soon as I unmute the USB camera/mic, it starts to repeat that same noise over and over.


running sudo killaudioa, or rebooting, or unplugging the USB item seems to fix it. I've used different docks and different USB camera (same model but physically a different one) and it does it. Not all the time, but when it starts the loop of repeating, the only things that fixes it is to restart, run the sudo or unplug/plugin the USB. Something with the MAC that is causing it.

Mar 23, 2022 11:30 AM in response to TN-Justin

That is exactly what I described. You get a looping of what someone just said. You get a looping of what someone just said. You get a looping of what someone just said.


That is because the audio leaving the speakers, enters the microphone. See this with many systems, not just Mac's. On most video conferencing systems such as Zoom, WebEx, Teams, etc. there will be a delay and full loop. On other systems where there is far less delay you will have more of an echo effect.


It seems that Mac's with built-in speakers and microphones are avoiding the problem but external speakers and microphones are a problem. Otherwise it's a second device in the room joined to the same meeting and that device is picking up the speaker output on it's microphone and causing the looping.

Apr 22, 2022 6:38 AM in response to SIANB

Hi all, same issue here, Logitech Brio Stream, sound looping to people on the other end in Zoom, Skype etc.

I have tried updating the firmware however, keeps telling me "up to date" (I did a factory reset and again checked for an update, same story) - firmware version: 1.0.40


If anyone has a link to another firmware version, please do share as I am about to throw the (expensive) cam into the trash :-)


Thank you!

May 15, 2022 4:58 PM in response to ABW-V

Really sorry to hear that @ABW-V. Logitech were pretty sure that the re-cable solution would work. I originally saw the recommendation on a Zoom forum.


My setup was working perfectly on an Intel MacBook Pro. The software config on the Mac Studio is virtually identical and I'm finding peripheral connection on the new hardware to be downright flakey (my Logitech mouse goes haywire when waking from sleep). There's obviously some fundamental hardware, firmware or software differences that are creating problems. I personally hope is in the ARM version of Monterey is the issue as that should be relatively easy to fix. Flashing new firmware onto one of these M1 machines looks like a right pain in the butt

Apr 20, 2022 5:29 PM in response to James Brickley

I'm also having this problem--my audio in Teams will randomly start repeating a small clip of what I or someone else says on an endless loop. It doesn't happen every meeting--and there's no real pattern.


I have a MacBook Pro (13-inch, M1, 2020) running macOS Monterey v12.3.


I have dual external monitors--both Dell P2722H 27".


Since this laptop cannot run dual monitors on its own--for some unknown reason--I have had to purchase a Plugable USB 3.0 and USB-C Dual 4K Display Docking Station.


I use a Logitech BRIO 4K webcam, externally mounted. It connects to the Plugable device--because there is only one USB-C port on this laptop for some reason.


Is there any way to disable the internal speakers on the laptop to avoid the speakers there? Would that be a solution?


Is somehow using a splitter to plug both the Plugable device and the webcam into the side USB-C port a solution?


I am not enjoying using this laptop--with the limited ports and lack of functionality. I work from home, fully remote, and this is having a negative impact on my ability to perform my job.

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Logitech webcam in audio loop

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