Following Music

Some basic techniques for following audio with Tone.js.

FFT

Tone.Analyser does FFT as well as waveform representation.

https://jsfiddle.net/yotammann/noecnjeq/12/

Waveform

https://jsfiddle.net/yotammann/97yw5q6m/11/

Meter

https://jsfiddle.net/yotammann/thz9kame/2/

Envelope Follower

https://jsfiddle.net/yotammann/95phq4fe/6/