iOS语音合成

添加引用

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import AVFoundation

播放语音

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let player = AVSpeechSynthesizer();
player.delegate = self;
let u = AVSpeechUtterance(string: "今天天气不错");
u.voice = AVSpeechSynthesisVoice(language: "zh-CN");
u.volume = 1.0;//音量 [0-1] Default = 1
u.rate = 0.48;//播放速度
u.pitchMultiplier = 1.0;//播放基准音调 [0.5 - 2] Default = 1
player.speakUtterance(u);

iPhone6以下rate设置为0.1否则会读的很快 iOS的坑啊

代理方法

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大专栏  iOS语音合成>13
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//开始播放
func (synthesizer: AVSpeechSynthesizer, didStartSpeechUtterance utterance: AVSpeechUtterance) {
print("开始播放")
}

//播放中
func (synthesizer: AVSpeechSynthesizer, willSpeakRangeOfSpeechString characterRange: NSRange, utterance: AVSpeechUtterance) {
let process = Double(characterRange.location) / Double(utterance.speechString.characters.count);
print("播放中,播放进度为:(process)")
}

//播放完毕
func (synthesizer: AVSpeechSynthesizer, didFinishSpeechUtterance utterance: AVSpeechUtterance) {
print("播放完毕")
}

常用方法

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//停止播放
player.stopSpeakingAtBoundary(AVSpeechBoundary.Immediate);
//暂停播放
player.pauseSpeakingAtBoundary(AVSpeechBoundary.Immediate);
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