Audio Stem & Frequency Divider
Isolate vocals, cut basslines, remove drums, or isolate highs using real-time Web Audio DSP filters. Download individual separated audio stems instantly.
Click or Drop Song (MP3, WAV, AAC)
All DSP filtering executes in your browser's Web Audio thread.
Vocals (Center Lead)
Mid-Side Phase ExtractionBass & Sub (Low-End)
< 250 Hz Low-PassMids & Drums
250 Hz – 4 kHz Band-PassTreble & Air
> 4 kHz High-ShelfUnlock Audio Stem Export
Watch a quick 5-second sponsor message to render and download your studio-separated audio stems in lossless WAV format.
How Center-Channel Vocal Isolation Works
In modern commercial studio mixing, the lead vocal track is typically panned dead center in the stereo field. This means equal acoustic energy is sent to both the Left (L) and Right (R) audio channels, while guitars, reverbs, and background elements are panned wider. By applying phase inversion (L − R), center-channel elements cancel each other out acoustically, leaving only the instrumental stereo backing track. Our tool runs this mathematical matrix in real-time using the native HTML5 Web Audio API.