Sonar is audible, strange sounds when using sonar - Sleep as Android

We have reports that on some device you can hear audible artifacts during sonar tracking. It sounds like this: audio::/assets/audios/sonar.mp3[options="controls"]

This is a companion discussion topic for the original entry at

Have this problem too, since today. Before, everything worked well with F18, 19, 20, 18-20 for months but suddenly something went wrong. During tracking, sonar got deactivated and now strange sounds are emitted from every frequency and no signal is detected. No software / firmware updates made. Very strange.

I use Samsung Galaxy A51.

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