js实现浏览器中麦克风可视化波形输入识别成文本代码-html代码-BFW代码库

js实现浏览器中麦克风可视化波形输入识别成文本代码

代码语言：html

所属分类：多媒体

代码描述：js实现浏览器中麦克风可视化波形输入识别成文本代码

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>
<head>
    <meta charset="UTF-8">
    <title>降噪后语音识别</title>
    <style>
        .container {
            margin: 20px;
            padding: 10px;
        }
        #visualizer {
            width: 100%;
            height: 100px;
            background: #f0f0f0;
        }
        .status, .result {
            margin: 10px 0;
            padding: 10px;
            border: 1px solid #ccc;
        }
    </style>
</head>
<body>
    <div class="container">
        <button id="startBtn">开始录音</button>
        <button id="stopBtn">停止录音</button>
        <canvas id="visualizer"></canvas>
        <div id="status" class="status">状态：未开始</div>
        <div id="result" class="result">识别结果将显示在这里</div>
    </div>

    <script>
        class NoiseReducer {
            constructor(audioContext) {
                this.audioContext = audioContext;
                this.init();
            }

            init() {
                // 创建音频处理节点
                this.noiseReducerNode = this.audioContext.createScriptProcessor(4096, 1, 1);
                
                // 降噪参数
                this.noiseThreshold = 0.015; // 噪声阈值
                this.smoothingFactor = 0.2;  // 平滑系数
                this.previousSample = 0;

                this.noiseReducerNode.onaudioprocess = (audioProcessingEvent) => {
                    const inputBuffer = audioProcessingEvent.inputBuffer;
                    const out.........完整代码请登录后点击上方下载按钮下载查看