I apologize for my late response and thank you for all of your patience while waiting for a reply. I can definitely understand how frustrating your situation must be, but I wanted to make sure that your issue was addressed. Do you still need help with this issue? I know that there's been a delay in response since you posted.
Please let me know if you need further assistance.
Restarting and factory resetting your Google Nest camera or doorbell will have different results:
Restart: Keeps all your settings, and it should reconnect to the same Wi-Fi network. This is helpful if it ever becomes frozen, has trouble reconnecting to the internet, or isn't working normally.
Factory reset: Erases all your settings and options, and restores its factory default settings. It will not automatically reconnect to Wi-Fi and you'll need to set it up again.
You can find this information, plus additional information on this process here. Please let me know if you have further questions.
Have you checked your Microphone settings in the app? I would make sure and check what it is set too and make adjustments. Also, please restart your device using the pin hole button on the back.
I will give that a try Brad, thank you. I feel like it has something to do with the transformer it is hooked into though. I can hear a similar buzzing in the wall where that is installed. It's like the microphone is amplifying the sound. Does everyone else who is experiencing this have the wired version with a transformer? Anyone with a battery or plug in adapter having this issue? That would tell me quickly if it could be related.
Have you tried using a multimeter test to determine if it is some sort of power issue? I am no electrician, but we always suggest testing with a multimeter if there are power issues. In this case, the sound could be due to some sort of complication within the transformer.
Well I fixed my doorbell fr buzzing. Just pop it off with a small pin like tool (actual pin, paper clip or better yet a SIM card removal tool) from the small hole on the silver plate. Then use that same tool and put the tool in the small hole at the top for five seconds. You'll see the device go off and then remove the tool. It will reset and buzzing will be gone. All you setting will be the same and you will not have to reconfigure the device.