import Audiohacker from 'audio-hacker';

const audioCtx = new AudioContext();

if (audioCtx.state !== 'running') {
    await audioCtx.resume();
}

const video = document.querySelector('video');

const source = audioCtx.createMediaElementSource(video);

const audioController = new Audiohacker(audioCtx, source);

// best step 0.01
audioController.setPitchOffset(0.22);
audioController.setPitchOffset(-0.12);

// minimum value is 0;
audioController.setVolume(0.3);
audioController.setVolume(3.3);

audioController.disconnect();