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This is part of the Lalalab exhibition of IMAGINARY (
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This is part of the Lalalab exhibition of IMAGINARY. The exhibit can be used to analyse the live-spectrum of the microphone.

It is based on the CindyJS-framework.


Just download everything and put in on a webserver and open index.html.

An online version of this repository is served through Another version of this widget can be found on

For exhibits, it is recommended to use the kiosk-browser and xbanish-hide on a minified desktop environment such as Openbox.


The applet requires a click before the CindyJS widget starts. On most browsers this is required before access to the the microphone is granted. This behavior can be switched of by adding the option autostart=false to the URL, i.e. opening the URL index.html?autostart=false.

Author & License

Created by Jürgen Richter-Gebert.

This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. To view a copy of this license, visit or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.

The framework CindyJS (build/js) is licensed under the Apache License 2.0.

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