Can't Disable Noise Suppression on MacOS

As an audio engineer I know that computer audio can be very complicated. In this case it most likely is your OS doing the suppression. There is a setting in the control center, depending on which version of the OS you have. You want to use Wide Spectrum.

Voice Isolation, is on most iPhones, iPads and Macs from the last few years as long as you’re running iOS 15 or macOS Monterey. (Anything that supports Spatial Audio seems to also support Voice Isolation.) You can only access the setting when you’re already in a call: you swipe down from the upper-right corner (or click in the upper-right corner on a Mac) to get to the Control Center, then tap on the button that says “Mic Mode.” By default, it’s set to Standard, but there are two other options: Voice Isolation and Wide Spectrum.

I share your pain. I have exactly the same problem. I can tell that MacOS hears the noise just fine because it shows on the input level in MacOS Sound settings. When I check the input level settings on Zoom, the "noise" does not show up. It is clearly being suppressed regardless of how I set the various audio options in Zoom. I've tried them all. I do have a workaround though, using the browser version of Zoom, the background noise is not supressed and it all works fine. I have only one microphone - the build in microphone. So this is clearly not a hardware problem. I've reported this before, but it falls on deaf ears. This problem is easy to duplicate and has been happening across multiple releases of the Zoom app in 2024 including the current release.

9 months latter, still an issue. Got a music exam in 24h and yes, the autonomous noise cancellation is a pain. Clearly a Zoom issue because everything work as expected when using Audacity simultaneously with Zoom as test ground.

 Clapping and singing:

• recorded  on Audacity
• muted on Zoom

Changing the audio profil  with the various options doesn't do anything. 

Suggestion to Zoom dev ->  remove any noise filtering step when selecting the audio profil for musicians. Sounds is our bread an butter, we will handle it ourselves