为什么js文本到语音不占用更多字符?

问题描述 投票:0回答:1

[我在这里使用JS文本与SpeechSynthesis进行语音通信,并且在有限的单词/句子数量下可以正常工作,但是我添加所有博客段落的时间超过了2-3k时,它无法正常工作,直到部分转换为止并自动停止。因此,我该如何添加不限字数或转换成语音的总页面内容。

[注意:我也尝试了js号(),但效果很好,但是我想要一个暂停/停止选项,所以我用了这个。因此,如果还有其他工作方式,请提出建议。

const msg = new SpeechSynthesisUtterance();
let voices = [];
const voicesDropdown = document.querySelector('[name="voice"]');
const options = document.querySelectorAll('[type="range"],[name="text"]');
const speakButton = document.querySelector('#speak');
const stopButton = document.querySelector('#stop');

msg.text = document.querySelector('[name="text"]').value;

function populateVoices() {
  voices = this.getVoices();
  voicesDropdown.innerHTML = voices.map(voice => `<option value="${voice.name}">${voice.name}(${voice.lang})</option>`).join('');
}

function setVoice() {
  msg.voice = voices.find(voice => voice.name === this.value);
  toggle();
}

function toggle(startOver = true) { //true is for it will not stop if language changes
  speechSynthesis.cancel();
  if (startOver) {
    speechSynthesis.speak(msg);
  }
}

function setOption() {
  //                console.log(this.name, this.value);
  msg[this.name] = this.value;
  toggle();
}

speechSynthesis.addEventListener('voiceschanged', populateVoices);
voicesDropdown.addEventListener('change', setVoice);
options.forEach(option => option.addEventListener('change', setOption));
speakButton.addEventListener('click', toggle);
<div class="voiceinator">
  <select name="voice" id="voices">
    <option value="">Select a voice</option>
  </select>
  <label for="rate">Rate:</label>
  <input type="range" name="rate" min="0" max="3" value="1" step="0.1">

  <label for="pitch">Pitch:</label>
  <input type="range" name="pitch" min="0" max="2" value="1" step="0.1">

  <textarea name="text"></textarea>
  <button id="stop">Stop!</button>
  <button id="speak">Speak</button>

</div>
javascript text-to-speech
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