Performance Based Musicmaking

Posts Tagged ‘Waveshaping’

Thesis prototypes video

Sunday, November 1st, 2009

I made a short documentation about my prototypes for my thesis. Enjoy!

Performance Based Musicmaking prototypes from Wout Standaert on Vimeo.

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Waveshaping/wavetable prototype

Monday, April 27th, 2009

I worked out the prototype in Pure Data, which happened to be much easier…

It sounds a bit like a lawnmower now, so I’m still in the process of tweaking the sound a bit.

pd waveshaping wiimote

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Processing sound lib problems

Wednesday, April 15th, 2009

The Minim as well as the Ess library, how great they might be, both produce really strange glitchy sounds that aren’t part of the waveforms. Currently thinking of switching to Pure Data for the synthesizer.

In other news, I’ve checked out gesture recognition with wiimotes. There’s a java library that focuses on this, WiiGee, but it doesn’t support multiple wiimotes — edit: it does. So I’m checking out Hidden markov models and their use in gesture recognition. Since this is computer science stuff it’s a bit over my head…

I’ll keep you posted! The waveshaping synth prototype should be finished soon.

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Processing sound libs

Sunday, March 29th, 2009

I’m trying to get the waveforms I draw in processing into some kind of oscillator using the minim library. Somehow it should work.

I also added some toggles to my wiimote analysing app for easily comparing waveforms. (click for a full scale version)

Wiimote analysing application

I’m also preparing for the trip to Berlin this week with school from monday to thursday. Weela!

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Processing wiimote analysis – Prototype idea

Friday, March 27th, 2009

Wiimote Analysis

I made some applications in Processing to further investigate the wiimotes, and how they react to different movements. I’m using all of the indications of movement possible with the wiimote (except for the IR camera, for freedom of movement); Pitch, Roll, Yaw, overall Acceleration (these are calculated by OSCulator) and also the raw X,Y,Z accelerations.

While waving the wiimotes around I noticed some things. If you’re making round movements, the graphs become a fluent curve, almost a sinewave sometimes. If you’re moving really wildly, it gets closer to a sawtooth or pulse wave. This made me thinking that maybe the most direct connection between your movements and the sound that you produce, is through these waves that you draw. The “buffer” above is 500 samples long. In a second of “CD quality” sound there go 44100 samples. So if you repeat one of these waveforms 88,2 times per second in an oscillator, you undoubtedly would get a very “own” sound.

This is definitely something I’m going to explore, I can barely wait!

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