Browser Spectral Vocal Cleaner & Subtitle Extractor

Volume

00:00.00 / 00:12.00

Time Domain Waveform & Speech Segment Boundaries Click canvas to scrub

WAVEFORM

FFT Spectral Frequency Heatmap (20Hz - 8kHz) Spectral Filter: ACTIVE

SPECTROGRAM

DSP Spectral Filters

High-Pass (Vocal Cutoff) 80 Hz

Low-Pass (Sibilance/Noise) 4200 Hz

Spectral Noise Gate Threshold -38 dB

Voice Isolation Boost +4 dB

Detected Subtitle Segments

Client-Side Processing: All noise filtering, spectral FFT calculation, and audio export run 100% locally in browser Web Audio RAM. Zero server upload required.