Video Audio Mixer Web App

Drag & drop video and audio files to mix them with real-time processing and normalization

Drag & drop a video file here

Supported: MP4, WebM, MOV, AVI

No file selected

Drag & drop an audio file here

Supported: MP3, WAV, OGG, M4A

No file selected

Mixing Controls

Video Audio Volume: 70%

0% 100%

Extra Audio Volume: 50%

0% 100%

Target Sample Rate

Normalization Level

Noise Reduction

Voice Ducking

Auto-reduce extra audio when speaking

Ducking Level

0% 100%

0% = No reduction | 100% = Complete silence during speech

Speech Detection Sensitivity

Low High

Higher = more sensitive to voice detection

Release Time (Hold Duration)

0ms 2000ms

Time to keep ducking active after speech ends (prevents oscillation)