Just discovered: a presentation by Instrument builder and sound artist Derek Holzer, in which he catalogues the history of optical synthesis. It is worth a look as it cites a number of fairly obscure (and fascinating) precedents of interest to anyone working in audiovisual design.

Created by James Boock, Sound Revival is a range of objects and a custom 3-Way sound system that uses the analogue means of materials and mechanical movements to manipulate sound.


Created by Sam Conran at the RCA/Design Interactions, the Kabbalistic Synthesizer is a is a musical synthesiser that operates using waveforms generated by the Earths magnetic field, noise via magnetic storms of Jupiter and keyboard via cosmic rays.