js浏览器中实时显示麦克风输入音量并将麦克风输入的说话声音转换文本效果代码-html代码-BFW代码库

js浏览器中实时显示麦克风输入音量并将麦克风输入的说话声音转换文本效果代码

代码语言：html

所属分类：多媒体

代码描述：js浏览器中实时显示麦克风输入音量并将麦克风输入的说话声音转换文本效果代码，浏览器端实时识别你说话的文字内容。

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Speech Recognition with Volume Bar</title>
    <style>
        #volumeBar {
            width: 100%;
            height: 20px;
            background-color: #ddd;
        }
        #volumeLevel {
            height: 100%;
            background-color: #4CAF50;
            width: 0%;
        }
    </style>
</head>
<body>
    <button id="startButton">Start</button>
    <p id="output"></p>
    <div id="volumeBar">
        <div id="volumeLevel"></div>
    </div>
注意识别麦克风在chrome中需要魔法上网，可以在edge中试试。
    <script>
        const startButton = document.getElementById('startButton');
        const output = document.getElementById('output');
        const volumeLevel = document.getElementById('volumeLevel');

        startButton.addEventListener('click', () => {
            if (!('webkitSpeechRecognition' in window)) {
                alert('Your browser does not support the Web Speech API. Please use Google Chrome.');
                return;
            }

            const recognition = new webkitSpeechRecognition();
            recognition.continuous = true;
            recognition.interimResults = true;
            recognition.lang = 'zh-CN';

            recognition.onstart = () => {
                output.textContent = 'Listening...';
            };

            recognition.onresult = (event) => {
                let finalTranscript = '';
                let interimTranscript = &#.........完整代码请登录后点击上方下载按钮下载查看