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AVAudioSession automatically sets the tablet audio volume to 50% when recording audio.

Environment→ ・Device: iPad 10th generation ・OS:**iOS18.3.2

I'm using AVAudioSession to record sound in my application. But I recently came to realize that when the app starts a recording session on a tablet, OS automatically sets the tablet volume to 50% and when after recording ends, it doesn't change back to the previous volume level before starting the recording. So I would like to know whether this is an OS default behavior or a bug?

If it's a default behavior, I much appreciate if I can get a link to the documentation.

AVAudioSession automatically sets the tablet audio volume to 50% when recording audio.
 
 
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