Unity sounds not playing after AVAudioSession is disabled

Question

I'm currently working on a iOS plugin. I'm trying to change the category of the app's AVAudioSession in order to implement audio ducking (i.e. Music app volume goes down while my sound effects are playing), which requires the AVAudioSession to be set as inactive and then as active again.

Well, after I set the session as inactive by using [[AVAudioSession sharedInstance] setActive:NO error:nil], Unity sounds simply won't work anymore, even after the session is set as active again. Native sounds still work, as I tested an AVAudioPlayer and it works perfectly.

Any idea on what's wrong?

Answer 1

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Answer by daniel_liu · Aug 05, 2015 at 12:57 AM

UnitySetAudioSessionActive(true);

Solve this issue.

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Racsoth · Aug 23, 2015 at 10:03 PM 0

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Perfect! Thanks a lot for the help. I really appreciate it!

By the way, in case someone else is working on something similar: instead of setting the AVAudioSession off by using the code I posted in the question, you should use UnitySetAudioSessionActive(false);

voporak5 · Mar 21, 2019 at 08:56 AM 0

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You're a lifesaver, this also fixes the issue when using MPMusicPlayerController in conjuction with configuring the AVAudioSession which will kill all AVAudioSessionAudio

Unity sounds not playing after AVAudioSession is disabled

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