Fix audio session conflict with other voice instances on iOS#276
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Taegon21 wants to merge 1 commit intoak1394:masterfrom
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Fix audio session conflict with other voice instances on iOS#276Taegon21 wants to merge 1 commit intoak1394:masterfrom
Taegon21 wants to merge 1 commit intoak1394:masterfrom
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el-lsan
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Dec 27, 2025
- Configure AVAudioSession in didStartSpeechUtterance to prevent conflicts - Set category to Playback with VoicePrompt mode - Use InterruptSpokenAudioAndMixWithOthers option for better audio handling Fixes from PR ak1394#276 by Taegon21
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Problem
When using this TTS library alongside other voice-related libraries (like @react-native-voice/voice), TTS sometimes stops working on IOS. This occurs because the audio session is reset (e.g., other libraries reset the audio session), which interferes with TTS functionality.
Solution
Ensures that TTS functionality remains stable when starting TTS by resolving conflicts with other voice instances.
Changes
(void)speechSynthesizer:(AVSpeechSynthesizer *)synthesizer didStartSpeechUtterance:(AVSpeechUtterance *)utterance { + [[AVAudioSession sharedInstance] + setCategory:AVAudioSessionCategoryPlayback + mode:AVAudioSessionModeVoicePrompt + options:AVAudioSessionCategoryOptionInterruptSpokenAudioAndMixWithOthers + error:nil]; if(_ducking) { [[AVAudioSession sharedInstance] setActive:YES error:nil]; } [self sendEventWithName:@"tts-start" body:@{@"utteranceId":[NSNumber numberWithUnsignedLong:utterance.hash]}]; }Resolves #275