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Step 7Implement software on the computer
Once the instrument was constructed, I wrote some software in PureData and Max in order to control the bumpers and transform the multi-touch webcam data into sound.
This youtube video explains the Pd/Max code in more depth.
http://www.youtube.com/watch?v=1J8twNGoT90
This youtube video provides a demonstration of the solenoids propelling balls, whose positions on the surface affect DSP parameters.
http://www.youtube.com/watch?v=e6GVAQvuSSk
At this point, I found that my webcam is not fast enough to track the balls when they move at higher speeds. This posed an interesting problem when writing the code, since I knew that I could not rely on the data from the webcam in a linear way. My solution was to control the bumpers and the bulk of the synthesis by hand with a MIDI controller, and to let the positions of the balls affect parameters for DSP effects.
This youtube video explains the Pd/Max code in more depth.
http://www.youtube.com/watch?v=1J8twNGoT90
This youtube video provides a demonstration of the solenoids propelling balls, whose positions on the surface affect DSP parameters.
http://www.youtube.com/watch?v=e6GVAQvuSSk
At this point, I found that my webcam is not fast enough to track the balls when they move at higher speeds. This posed an interesting problem when writing the code, since I knew that I could not rely on the data from the webcam in a linear way. My solution was to control the bumpers and the bulk of the synthesis by hand with a MIDI controller, and to let the positions of the balls affect parameters for DSP effects.
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