Help

- This is one of the visualizations with "Web Audio API :: Frequency Data".

- First, load the music file (.mp3, .wav, .aac, .m4a, .ogg, .oga).

- Click ▶ button to start playing.

- Click on the canvas while playing to change the background image quickly. Click again to return to a static image.

- When you click on the canvas while music is playing, the background becomes a still image. Click it again to turn it back into an animation.

- You can save an image from the menu that appears when you right-click on the image. (Note that this operation does not usually work on smartphones.)