Reply To: Audio Session on iOS

[mansiva]

What I ended up doing was forcing the AVAudioSession after stopping speech recognition. Here is the code although you might need different options:

#import <AVFoundation/AVFoundation.h>
 
void iOSAudio_setupAudioSession()
{
    AVAudioSession *session = [AVAudioSession sharedInstance];
    [session setCategory:AVAudioSessionCategoryPlayback
                    mode:AVAudioSessionModeSpokenAudio
                 options:AVAudioSessionCategoryOptionDefaultToSpeaker | AVAudioSessionCategoryOptionAllowBluetooth
                   error:nil];
    [session setActive:true error:nil];
}

Create a .m file (name doesn’t matter) and put in Plugins/iOS. To call add

[DllImport("__Internal")]
internal static extern void iOSAudio_setupAudioSession();

inside a class (I put it inside iOSSpeechRecognizer) and call right after StopIfRecording. I ended up putting it inside SpeechRecognizer.cs so it ended up looking like this:

public static void StopIfRecording() {
	Debug.Log("StopRecording...");
	#if UNITY_IOS && !UNITY_EDITOR
	iOSSpeechRecognizer._StopIfRecording();
	iOSSpeechRecognizer.iOSAudio_setupAudioSession();
	#elif UNITY_ANDROID && !UNITY_EDITOR
	AndroidSpeechRecognizer.StopIfRecording();
	#endif
}