MakerLab Blog » pizoelectric pickups http://blog.makerlab.com Go on, be curious Thu, 14 Mar 2013 06:30:21 +0000 en-US hourly 1 http://wordpress.org/?v=3.9.15 Haptic Strings and Radio Trowel at DorkBot PDX http://blog.makerlab.com/2008/12/haptic-strings-at-dorkbot-pdx/ http://blog.makerlab.com/2008/12/haptic-strings-at-dorkbot-pdx/#comments Mon, 08 Dec 2008 03:26:25 +0000 http://blog.makerlab.com/?p=292 Dorkbot tonight was pretty epic. There was a concert.


Collin Oldham The RT (radio trowel) and The Cellomobo from Amber Case on Vimeo.

It was pretty cool. The mastermind was Collin, as you can see here:
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Colin began his demonstration by saying that, “the things that make an instrument useful in a live performance — are things that give an audience a connection to what you’re doing”.

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“Luckinly there’s a guy at Stanford named Maximus Mathhews who invented computer music, luckly he is still there — but like 80 years old”.

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Collin Oldham et al showed us two things. First was a trowel (think gardening) with a pizoelectric pickup sent data to a microcontroller to a sensor data to a data catcher, making intense sounds along the way. The setup was like a zen garden on astroturf — and the noises were awesome. In addition, there was an object resenbling a Cello called a “Cellomobo”.

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The cellomobo is a computer music instrument that attempts to model the behavior of a bowed string. It gives haptic feedback to the bow at audio rate to simulate the stick-slip action of a bowed string.

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This feedback stream finds it way back into the audio stream, creating a unique hybrid of digital and analog synthesis.

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The Cello part had haptic sensors and pressure sensors, and made brighter sounds when pushed harder. The pickup was sensitive to bending.

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About Collin

Collin spent the 2005-2006 academic year at Stanford’s Center for Computer Research in Music and Acoustics (CCRMA) where began to develop the electronic musical instruments he presented today.

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