White noise in one airpod pro

Hello KarlHam,

We'd be happy to help. Does this happen when you have Active Noise Cancellation and Transparency mode enabled? If so, you may need to change your ear tips. You can use the Ear Tip Fit Test to find out: Choose your AirPods Pro ear tips and use the Ear Tip Fit Test - Apple Support

If the issue happens when you're not using Active Noise Cancellation and Transparency mode, these steps can help you resolve the issue: If your AirPods Pro (1st generation) make crackling or static sounds - Apple Support

These steps may help:

1. Make sure that you have the latest software on your connected iPhone, iPad, iPod touch, or Mac.

2. Check that your connected device is nearby, and there's no wireless interference or obstructions between you and your device. 

3. Listen to audio from a different app to see if the app causes the issue. 

If you still experience sound quality issues—or if the issues increase in loud environments, with exercise, or while talking on the phone—refer to AirPods Pro Service Program for Sound Issues.

Thanks.