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

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

Drancing poster

Photo of the original Drancing accelerometer suit

The original Drancing prototype used 5 triaxial accelerometers in a "body star" formation in a suit and a cable for data transfer.

Video: Drancing suit 2002: amplitude (volume) variation of the notes of a triad chord

Play video (then use fullscreen !)
Scenes

The (X,Y,Z) channels of five 3D accelerometers vary the amplitudes of notes of fixed (C,E,G) chords at different octaves. When the amplitude varies by small amounts about a larger mean value (such as when waving the arms about a common raised level) the mode can be said to represent Amplitude Modulation (AM).

This is a subtle mode, and care must be taken to sufficiently distinguish the notes of each chord triad. Amplitude variation can also be well combined with other modes such as variation of the frequency of oscillators.

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[book] Submitted by webel on Tue, 16/12/2008 - 14:54
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