olvb / phaze

Real-time pitch-shifter as a Web Audio worklet, based on phase vocoder techniques
The Unlicense
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phase-vocoder pitch-shift web-audio web-audio-worklet

Phaze: a real-time web audio pitch-shifter

Phaze is a real-time pitch-shifter based on the the method described here, implemented as a Web Audio AudioWorkletProcessor. It supports mono and multi-channel processing.

Please note that AudioWorkletProcessors are currently (January 2021) only supported in Chrome and Firefox.

Installation and demo

Visit the online demo here, or run

git clone https://github.com/olvb/phaze && cd phaze
npm install
npm run build && npm run start

and open http://localhost:8080/ with Chrome or Firefox.