Drancing

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Video: YouTube: Drancing accelerometer music with Wiimotes: 3D variable frequency oscillators + amplitude variation + triggered "air drum" samples

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Demonstrates combined oscillator frequency variation, amplitude variation, and triggered Drum sample ("Drumming by Dancing") modes along with DrancelRGB monitor visuals projected onto the "Drancer" performer. For this demonstration two hand-held WiiTM Remotes on a MacBook Pro were used. (The original Drancing accelerometer suit (since 1997) used 5 triaxial accelerometers in a "body star" pattern").

Example: signal processing: the Drancing real-time synthesis accelerometer music system.

[book] Submitted by webel on Tue, 06/10/2009 - 14:34

This content is for DEMONSTRATION

Also used as real-world requirements analysis example, with physical conditions.

Relevant to this course is:

http://www.webel.com.au/content/sysml-mockup-puredata-dranceware-wii-remote

What is Drancing ?

[book] Submitted by webel on Mon, 29/12/2008 - 12:17

Drancing is a gestural synthesis accelerometer music system (an "air instrument") under development by Dr Darren Kelly since 1996. Drancing employs triaxial-accelerometers (3D vector acceleration transducers) to synthesise music, visuals, and computer controls from human gestures, dance, and movement.

The name Drancing is derived from "Drumming-by-Dancing" (or "air drums" mode) which is just one of its many applications. It can also be used as an "air synthesizer", "air guitar", or "air piano", and to make sounds never heard or named before.

Video: Drancing suit 2002: variable frequency + variable amplitude mode

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The (X,Y,Z) channels of five 3D accelerometers vary the amplitudes and the frequencies of `5 x 3 = 15` pure sinusoidal oscillators. One can hear "beat" frequencies generated by similar frequencies corresponding to different accelerometer channels, such as when the arms are raised to similar levels, which effect can be exploited for musical nuance and for movement therapy to measure symmetry of posture.

Video: Drancing suit 2002: triaxial accelerometer sound axes: variable frequency and variable amplitude modes

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Demonstration of the axes of a triaxial accelerometer using sound synthesis. The relationship to gravity is explored using vector acceleration with 3D Variable Frequency Oscillator (VFO) mode, then amplitude variation "triaxial chord" mode.

Did you know ? About the Drancing accelerometer music system

[book] Submitted by webel on Tue, 16/12/2008 - 14:23

Gallery: PureData/GEM accelerometer visuals and GEM patches

Gallery: DranceWare PureData music synthesis patches

Gallery: Video snippets of the original Drancing accelerometer "air music" sensor suit (from 2002)

Older versions of DranceWare, lo-res snippets of documentary video of various JSyn real-time audio synthesis and MIDI modes, made at the University of Sydney's VisLab at the Australian Technology Park in 2002.