I have developed codes to generate PCM data by AVSpeechSynthesizer.
This codes worked very well. But callback is not called on iOS14.5.1.
What should I do ?
speechSynth = [[AVSpeechSynthesizer alloc] init];
speechSynth.delegate = (id)self;
AVSpeechUtterance *utterance = [AVSpeechUtterance speechUtteranceWithString:text];
utterance.rate = voiceRate;
utterance.pitchMultiplier = voicePitch;
utterance.voice = [AVSpeechSynthesisVoice voiceWithIdentifier:speaker];
[speechSynth writeUtterance:utterance toBufferCallback:^(AVAudioBuffer *buffer ) {
AVAudioPCMBuffer *pcmBuffer = (AVAudioPCMBuffer *)buffer;.....
Junichi_fujita
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