js实现浏览器端离线音频变声特效处理试听下载代码-html代码-BFW代码库

代码语言：html

所属分类：多媒体

代码描述：js实现浏览器端离线音频变声特效处理试听下载代码。支持加载本地文件，实时调节压缩、变声、失真、延迟及混响等参数进行试听。核心功能是利用离线渲染技术，将调整后的效果快速合成并导出为高音质WAV文件下载，实现便捷的浏览器端人声与音乐后期处理。

代码标签： js 浏览器离线音频变声特效处理试听下载代码

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 lang="zh-CN">
<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>音频效果器机架 - 本地音频处理 & 下载</title>
    <style>
        :root {
            --bg-color: #0f172a;
            --card-bg: #1e293b;
            --accent-color: #38bdf8;
            --accent-vocal: #a855f7;
            --text-main: #f8fafc;
            --text-muted: #94a3b8;
            --category-bg: #111827;
            --success: #10b981;
            --danger: #ef4444;
            --warning: #f59e0b;
        }

        * {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            padding: 1.5rem;
            display: flex;
            justify-content: center;
            align-items: flex-start;
            min-height: 100vh;
            background-color: var(--bg-color);
            font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
            color: var(--text-main);
        }

        .rack-container {
            background-color: var(--card-bg);
            padding: 1.75rem;
            border-radius: 1.5rem;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
            width: 100%;
            max-width: 580px;
        }

        h2 {
            margin: 0 0 0.15rem 0;
            text-align: center;
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: 0.02em;
        }
        .subtitle {
            color: var(--text-muted);
            font-size: 0.85rem;
            text-align: center;
            margin-bottom: 1.25rem;
        }

        /* ========== 文件选择区域 ========== */
        .file-upload-area {
            background: rgba(255, 255, 255, 0.02);
            border: 2px dashed #334155;
            border-radius: 1rem;
            padding: 1rem 1.25rem;
            margin-bottom: 1.25rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
            flex-wrap: wrap;
            transition: border-color 0.3s ease;
            cursor: pointer;
        }
        .file-upload-area:hover {
            border-color: var(--accent-color);
        }
        .file-upload-area.has-file {
            border-color: var(--success);
            border-style: solid;
            background: rgba(16, 185, 129, 0.04);
        }
        .file-label-icon {
            font-size: 1.6rem;
            flex-shrink: 0;
        }
        .file-info {
            flex: 1;
            min-width: 140px;
        }
        .file-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-main);
            word-break: break-all;
            line-height: 1.3;
        }
        .file-name.placeholder {
            color: var(--text-muted);
            font-weight: 400;
            font-size: 0.85rem;
        }
        .file-duration {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .file-select-btn {
            background: #334155;
            color: #f1f5f9;
            border: none;
            padding: 8px 16px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.8rem;
            white-space: nowrap;
            transition: background 0.2s;
            flex-shrink: 0;
        }
        .file-select-btn:hover {
            background: #475569;
        }
        #fileInput {
            display: none;
        }

        /* ========== 音频播放器 ========== */
        .audio-player-wrapper {
            background: rgba(255, 255, 255, 0.03);
            border-radius: 0.75rem;
            padding: 0.6rem 0.8rem;
            margin-bottom: 1.25rem;
            border: 1px solid #334155;
        }
        audio {
            width: 100%;
            display: block;
            border-radius: 6px;
        }

        /* ========== 全局主控开关 ========== */
        .master-toggle-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(255, 255, 255, 0.03);
            padding: 0.7rem 1rem;
            border-radius: 0.75rem;
            margin-bottom: 1.25rem;
            border: 1px dashed #334155;
            gap: 0.75rem;
        }
        .master-toggle-label {
            font-weight: 600;
            font-size: 0.9rem;
            color: #f1f5f9;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            white-space: nowrap;
        }

        /* ========== 分类区域 ========== */
        .category-section {
            background-color: var(--category-bg);
            border-radius: 1rem;
            padding: 0.5rem;
            margin-bottom: 1.1rem;
            border: 1px solid #334155;
        }
        .category-title {
            font-size: 0.78rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--text-muted);
            margin: 0.2rem 0.5rem 0.45rem 0.5rem;
            font-weight: 700;
        }

        /* ========== 效果卡片 ========== */
        .fx-card {
            background: rgba(255, 255, 255, 0.02);
            padding: 0.7rem 0.9rem;
            border-radius: 0.75rem;
            margin-bottom: 0.45rem;
            border-left: 4px solid #475569;
            transition: all 0.25s ease;
        }
        .fx-card:last-child {
            margin-bottom: 0;
        }
        .fx-card.active {
            border-left-color: var(--accent-color);
            background: rgba(56, 189, 248, 0.03);
        }
        .fx-card.vocal-fx.active {
            border-left-color: var(--accent-vocal);
            background: rgba(168, 85, 247, 0.03);
        }
        .fx-card.export-card {
            border-left-color: var(--success);
            background: rgba(16, 185, 129, 0.04);
        }

        .fx-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .fx-title-block {
            display: flex;
            align-items: center;
 .........完整代码请登录后点击上方下载按钮下载查看