Chatty Spring Ballz

Voted best acoustic sculpture at Bay Area Aeolian Day, 2015!

Chatty Spring Ballz is an interactive kinetic exploration into the hidden acoustic world of small-scale steel, best heard through pressure transduction.  Piezoelectric contact microphones are connected to lathe-wound springs, allowing them to sense small movement impulses and vibrations created from the collision of the high-tension spring steel materials. Unexpected dynamic sounds are the result.

 

Piezoelectric Transducers

Piezoelectric Transducers

Piezoelectric transducers connected to springs and buffered with inductors into a stereo 3.5mm connector.

Ballz in the making: 2.0

Ballz in the making: 2.0

Initial prototype was using reverb springs from old speaker reverb systems.

Chatty Ballz at MakerFaire

Chatty Ballz at MakerFaire

MakerFaire attendee enjoying the sonic surprise.

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Ballz in the making: 2.0

Initial prototype was using reverb springs from old speaker reverb systems.