Google Chrome浏览器语音中的女性声音 [英] Female voice in google chrome speechSynthesis

问题描述

在两种情况下我都使用此确切的代码.

Im using this exact code in both the scenarios.

        var msg = new SpeechSynthesisUtterance();
        var voices = window.speechSynthesis.getVoices();
        msg.voice = voices[1];
        msg.text = "hello world";
        msg.lang = 'en-US';
        speechSynthesis.speak(msg);

如果我在chrome控制台中运行此命令，则会听到女性声音.但是，如果我将确切的代码放在index.html中并运行它，它会发出男性的声音.任何人都可以澄清为什么会出现这种差异.预先感谢.

If I run this in the chrome console I get a female voice. But if I put the exact code in an index.html and run it, it plays a male voice. Could any one please clarify why this difference occurs. Thanks in advance.

推荐答案

找到了根本原因. 获取语音中的语音列表Chrome(Web Speech API)

这些调用是异步的，因此当我尝试在index.html中运行时，voices数组为空.正如我建议的那样，当我运行该程序然后使用语音时，效果很好.

The calls are async, so when I try to run in index.html the voices array is empty. As I suggested when I run this and then use the speak it works fine.

    var msg;
    var voices;
    var timer = setInterval(function() {
        voices = speechSynthesis.getVoices();
        console.log(voices);
        if (voices.length !== 0) {
            msg = new SpeechSynthesisUtterance();
            msg.voice = voices[0];
            speechSynthesis.speak(msg);
            msg.lang = 'en-US';
            clearInterval(timer);
        }
    }, 200);
    timer();
    speechSynthesis.speak("hello world");

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