How do I prevent Zoom from resetting my input volume to 1/4 on launch?

Yes, that's precisely my point. That slider is always reset to 1/4 of the maximum value. I always have to manually set it to the maximum value for people to hear me properly. Is there a way to set it to the maximum by default?

Hey everyone - since the community was “read only” for a bit, I’m replying to bump this up. 

If anyone found a solution to this, please let me know.  Not only can I confirm it constantly happens, I have been meeting regularly with someone on the other side of the planet (12 hour time zone difference) who experiences the same thing. So it’s world-wide. 😁.

I’m still working through this.  I’ve recently seen the same issue around other meeting tools on Chrome; possibly related… Finally found that the Apple System Settings | Sound | Input for my device is also changing (had not noticed that before; either it wasn’t changing, or I simply caught it at not the best time).

Suggestion via an AI generated search summary below.  I've tried 1 part 1 and am trying 1 part 2 now; suggestion 2 will be next.  Also note the MacBook Air M1/M2 caveat (not my device, but in case it’s yours) : 

Input volume changing on its own on a Mac is typically caused by application-level auto-gain control (like in Zoom, Meet, or Skype) or macOS trying to manage gain on a virtual device. Because BlackHole is a virtual driver, it often adopts the behaviors of the applications using it.
Here are the most common causes and solutions based on user reports: 
1. Disable Auto-Adjust in Conferencing Apps
Applications like Zoom, Skype, or Chrome (for Google Meet) often have built-in "Automatic Microphone Adjustment" settings that override system settings. 

• Zoom: Go to Settings > Audio and uncheck "Automatically adjust microphone volume". 
• Google Meet/Chrome: If the issue happens in Chrome, it may be due to WebRTC. You can try disabling this via chrome://flags by searching for "Allow WebRTC to adjust the input volume" and setting it to disabled.

2. Use an Aggregate Device (Best Solution)
If you are using BlackHole alongside a microphone to record, the input volume might be unstable. 

1. Open Audio MIDI Setup. 
2. Click the + button in the bottom left and select Create Aggregate Device. 
3. Check the boxes for your microphone and BlackHole 2ch. 
4. Use this new "Aggregate Device" as your input in recording software (OBS, QuickTime). This often locks the input volume because it combines the devices. 

4. Other Potential Fixes 

• Reboot: A simple reboot can sometimes reset the audio driver behavior. 
• Set Output to 95-100%: Some users find that keeping the output volume at a high, consistent level (around 95%) keeps the virtual driver stable. 
• Check for conflicting audio software: Ensure other audio tools aren't fighting for control over the input level.

Note: If you are experiencing this specifically with a MacBook Air M1/M2, it is a known behavior where the system limits the volume to prevent audio distortion.

AI responses may include mistakes.