in frontend/src/hooks/useAudio.ts [20:27]
async function init() {
wavRecorder.current = new WavRecorder({ sampleRate: 24000 });
await wavRecorder.current.begin();
setAudioRecorderIsReady(true);
wavPlayer.current = new WavStreamPlayer({ sampleRate: 24000 });
await wavPlayer.current.connect();
setAudioPlayerIsReady(true);
}