免费 · 无需安装
在线立体声转单声道转换器
将双声道立体声音频合并为均衡单声道，或提取左/右独立声道 — 完美解决单边耳机没声音问题。
核心功能
智能声道混合
按标准 50/50 比例合并左右声道，无相位抵消。
单声道独立提取
支持单独提取左声道或右声道音频。
解决声道单边静音
一键修复只有左耳或右耳有声音的采访录音。
使用指南
1
上传双声道音频
选择存在声道问题的音频文件。
2
选择转换模式
选择'合并为单声道'或'提取左/右声道'。
3
导出修复后的音频
试听左右均衡的声音并下载。
Online Stereo to Mono & Mono to Stereo Audio Converter Free
Have an audio recording that only plays in one headphone ear, or need to downmix stereo audio into a single mono channel for broadcasting or AI voice training? YupVox Stereo to Mono Converter offers 4 flexible matrix modes to merge channels, isolate Left/Right audio, or duplicate mono into dual stereo instantly.
Why Choose YupVox Stereo to Mono Converter?
4 Flexible Matrix Modes
Mix L+R to Mono, Extract Left Track, Extract Right Track, or Mono to Dual Stereo.
Fix One-Sided Audio Fast
Easily rescue voice recordings that only play in one earphone with one click.
Lossless Audio Export
Export clean uncompressed WAV or high-bitrate MP3 files directly.
100% Client-Side Privacy
Runs entirely in local browser memory via Web Audio API without uploading your files.
How to Convert Stereo to Mono in 3 Simple Steps
STEP 1
Upload audio file: Drag & drop or select your MP3, WAV, or AAC audio file.
STEP 2
Select conversion mode: Choose Mix L+R to Mono, Left Only, Right Only, or Mono to Stereo.
STEP 3
Download converted audio: Click Download to receive your balanced, single or dual-channel audio file.
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