dsViz
A feedback visualizer that moves with whatever you play. Choose where the music comes from.
Capture tab or system audio
Pick the window, tab or screen that is playing, then tick the "Share audio" box at the bottom of the dialog. Without it the visualizer hears nothing.
Play audio files
Choose files, or drop them anywhere on the page.
Microphone
Listens to the room. Choose which microphone under Settings.
Demo beat
A built-in loop, to see how it reacts.
Keep the current source
Scene
dsViz
Pause
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Auto
Settings
Source
Fullscreen
Settings
Drop to play