all posts about sound sculpture and music
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instrument-a-day 25: water bowlFebruary 27th, 2011
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instrument-a-day 23: mechanical synthesizerFebruary 23rd, 2011
This trick was used as far back as the 19th century to synthesize musical tones. The gears have 24, 27, 30, 32, 36, 40, 45, and 48 teeth, so the notes are all related by simple fractions – that makes this a just intonation scale rather than equal temperament.
There's plans and instructions on thingiverse: http://www.thingiverse.com/thing:6662
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instrument-a-day 20 & 21: 8-bit violinFebruary 22nd, 2011
A working violin made from maple and oak craft wood. The design is all 90 degree angles except the fingerboard. The tuning pegs are literally square pegs in round holes.
The thing's tuned two half-steps low until it gets used to the tension.
I have never played a violin, so many thanks to Bre Pettis who dusted off his 15-years-neglected fiddling skills to test-drive this violin! (Hey NYC violinists! Want to help test & demo this thing? Contact me.)
I hope to get all the designs uploaded to thingiverse soon – keep an eye on moonmilk.com if you're interested.




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instrument-a-day 19: brass whistleFebruary 22nd, 2011
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instrument-a-day 18: garbage drainpipeFebruary 19th, 2011
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instrument-a-day 17: wooden strings & rattlesFebruary 19th, 2011
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instrument-a-day 16: light sensorFebruary 19th, 2011
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instrument-a-day 15: piano scannerFebruary 15th, 2011
Scanning a handheld magnetic pickup back and forth over the piano strings makes a pretty neat sound. I may try attaching a rail on which the pickup can slide back and forth.
The pickup is plugged into an ordinary guitar amp.
Plug: Fun with Sensors workshop this Saturday at NYC Resistor!
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instrument-a-day 14: corn musicFebruary 14th, 2011
I’ve always thought the patterns on corncobs looked like player piano rolls. So I wrote a program that watches a slowly-turning corncob. Whenever a particularly dark kernel crosses the centerline of the image, it plays a note corresponding to the height.
You can download the Processing code from moonmilk.com/11/02/cornscan.txt.
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instrument-a-day 13: garbage garbage can lidFebruary 14th, 2011
On the way to SHARE last night, I
packed a contact microphone and drumsticks but no instrument, telling
myself I’d find something in the garbage on the way there. What I
found was this nice metal garbage can lid.
packed a contact microphone and drumsticks but no instrument, telling
myself I’d find something in the garbage on the way there. What I
found was this nice metal garbage can lid.










