免费 · 无需安装
在线 AI 语音活动检测 (VAD) 剪切工具
利用先进的 VAD 语音检测算法自动切除非人声片段 — 精准提取说话干货,大幅精简录音时长。
核心功能
神经网络 VAD 检测
高精度识别人类语音,即使在嘈杂背景下也能精准判断。
自定义语前/语后缓冲
在每句话前后自动保留 100-200ms 缓冲,保证字头字尾完整。
一键快速导出
快速生成去除所有非人声片段的纯干货语音文件。
使用指南
1
上传访谈或会议录音
选择需要整理精简的长篇对白音频。
2
运行 VAD 智能分析
系统将自动标出所有包含人声的有效时间段。
3
导出纯语音文件
一键剔除非人声部分并下载精炼后的音频。
Online Voice Activity Detector (VAD) & Segmenter
Accurately detect human speech passages in audio recordings and isolate voice from silence effortlessly.
Key Features
High Accuracy
Detects speech frame-by-frame per 20ms.
Prepares Audio for AI
Optimizes voice recordings for Voice Cloning and transcription.
Saves Duration
Reduces 20% to 40% of dead audio duration.
100% Free
Unlimited free usage without restrictions.
How to Detect and Segment Voice
STEP 1
Upload audio: Select your podcast or interview file.
STEP 2
View speech timeline: Inspect the green timeline of detected speech.
STEP 3
Download audio: Save the trimmed speech file to your device.
相关音频工具
Audio Silence Remover
Automatically detect and remove quiet pauses, dead air, and silent gaps from audio recordings — 100% free and in-browser.
MP3 Cutter Online & Free — Cut Audio & Trim Audio Free
Cut audio, trim songs, create custom ringtones online — 100% free, fast, and no software installation required.
Audio Compressor & Dynamic Range Leveler
Level out loud volume peaks, thicken quiet speech, and give your podcasts and voiceovers studio punch.
Audio Noise Reducer & Denoiser
Remove background noise, fan hums, static hiss, and mic noise from audio recordings online — 100% free and in-browser.