34 lines
1.0 KiB
JavaScript
34 lines
1.0 KiB
JavaScript
function initSpeech() {
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if (!window.speechSynthesis) return;
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var voices = window.speechSynthesis.getVoices();
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if (voices.length > 0) return;
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window.speechSynthesis.onvoiceschanged = function() {};
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}
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function speakText(text, lang) {
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if (!text) return;
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if (!window.speechSynthesis) { return; }
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if (window.speechSynthesis.getVoices().length === 0) {
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window.speechSynthesis.onvoiceschanged = function() {
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doSpeak(text, lang);
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window.speechSynthesis.onvoiceschanged = null;
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};
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window.speechSynthesis.getVoices();
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return;
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}
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doSpeak(text, lang);
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}
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function doSpeak(text, lang) {
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window.speechSynthesis.cancel();
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var utterance = new SpeechSynthesisUtterance(text);
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var langMap = { 'es': 'es-ES', 'en': 'en-US', 'zh': 'zh-CN' };
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utterance.lang = langMap[lang] || lang;
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utterance.rate = 0.9;
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utterance.pitch = 1;
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window.speechSynthesis.speak(utterance);
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}
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if (document.readyState === 'complete') initSpeech();
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else document.addEventListener('DOMContentLoaded', initSpeech);
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