This p5 sketch visualizes the sound of waves of the sea recorded at Yuigahama in Kamakura, which is processed with FFT.
If you don't have any http server, install simplehttpserver
from npm:
npm -g simplehttpserver -g
git clone git@github.com:noradaiko/p5-wave-visualization.git
cd p5-wave-visualization
simplehttpserver ./
http://localhost:8000/fft
http://localhost:8000/wave