iOS文字转语音

AVSpeechSynthesizer：

import UIKit
import AVFoundation

class SpeechSynthesizer: AVSpeechSynthesizer {

    static let shared = SpeechSynthesizer()
    
    func telling(command: String) {
        let utterance = AVSpeechUtterance(string: command)
        utterance.rate = 0.5
        utterance.voice = AVSpeechSynthesisVoice(language: "zh-cmn")
        self.speak(utterance)
    }

}

参考链接：

https://www.jianshu.com/p/28288cedf634