Videos

"Drancel Planetscapes" accelerometer art

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"Planet Drancel" accelerometer art

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Video: 2 Drancel RGB acceleration synthesis atoms: Drancing colour=sound synthesis principle in 3D (with 3 VFOs each driven by Nintendo Wiimotes)

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Demonstrates two hemispherical Drancel RGB virtual accelerometer synthesis atoms, with orthogonal "light cones" (which correspond to LEDs with reflectors). The sound here is synthesised from Wiimote signals driving 3 Variable Frequency Oscillators (VFOs) per Drancel RGB in Pure Data; the visuals are in GEM.

Video: 2 Drancel RGB acceleration synthesis atoms: Drancing colour=sound synthesis principle in 3D (with 3 VFOs driven by simulated sinusoidal signals)

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Demonstrates two hemispherical Drancel RGB accelerometer synthesis atoms, with orthogonal "light cones" (which can correspond to LEDs with reflectors). The sound here is synthesised from simulated sinusoidal accelerometer signals driving Variable Frequency Oscillators (VFOs) in Pure Data; the visuals are in GEM.

Video: 2 Drancers (acceleration avatars) each with 5 Drancel RGB virtual triaxial accelerometers: Drancing colour=sound synthesis principle in 3D (with 3 VFOs and simulated sinusoidal signals)

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Demonstrates two "Drancers" (acceleration avatars of the Drancing accelerometer music system) with 5 Drancel RGB accelerometer synthesis atoms (corresponding to hands/wrists, feet/ankles, and waist). The sound here is synthesised from simulated sinusoidal accelerometer signals driving Variable Frequency Oscillators (VFOs) in Pure Data; the visuals are in GEM.

Video: 1 Drancer (acceleration avatar) with 5 Drancel RGB virtual triaxial accelerometers: colour=sound synthesis principle in 3D (PureData/GEM) 3 VFOs per Drancel and simulated sinusoidal signals

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Demonstrates one "Drancer" (an acceleration avatar for the Drancing accelerometer music system) with 5 Drancel RGB accelerometer synthesis atoms (corresponding to hands/wrists, feet/ankles, and waist). The sound here is synthesised from simulated sinusoidal accelerometer signals driving Variable Frequency Oscillators (VFOs) in Pure Data; the visuals are in GEM.

Video: The Drancel RGB virtual triaxial accelerometer: colour=sound synthesis principle in 3D (with 3 VFOs and simulated sinusoidal signals)

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Demonstrates one Drancel RGB accelerometer synthesis atom design, with orthogonal "light cones" (which can correspond to LEDs with reflectors). The sound here is synthesised from simulated sinusoidal accelerometer signals driving Variable Frequency Oscillators (VFOs) in Pure Data; the visuals are in GEM.

Video: Drancel RGB accelerometer "light horns" sound=colour synthesis principle (with 3 Variable Frequency Oscillators): driven by Wiimote

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Demonstrates one Drancel RGB accelerometer synthesis atom design, with orthogonal "light cones" (which can correspond to LEDs with reflectors). The sound here is synthesised from WiiTM Remote accelerometer signals driving Variable Frequency Oscillators (VFOs) in Pure Data; the visuals are in GEM.

Video: The Drancel RGB triaxial accelerometer colour=sound synthesis principle (with 3 Variable Frequency Oscillators): driven by Wiimote

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A minimal example of Drancel RGB 2D visuals. The colour of the central circle is an average over the RGB colours corresponding to the XYZ axes of a triaxial accelerometer. Driven by a WiiTM Remote as wireless accelerometer signal source.

Video: 2 Drancers (acceleration avatars) each with 5 Drancels: in PureData/GEM Prototype of DranceWare: rotating camera: driven by Wiimote

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Demonstrates 2 "Drancer" acceleration avatars, each with 5 Drancel RGB triaxial accelerometer synthesis atoms, with orthogonal "light cones" (which correspond to LEDs with reflectors). The sound here is synthesised from 2 sets of WiiTM Remote accelerometer signals driving Variable Frequency Oscillators (VFOs) in Pure Data; the visuals are in GEM. (For this demonstration every Drancel RGB of each Drancer receives the same signals.)

Video: 2 Drancers (acceleration avatars) each with 5 Drancels: in PureData/GEM Prototype of DranceWare: Driven by Wiimote

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Demonstrates 2 "Drancer" acceleration avatars, each with 5 Drancel RGB triaxial accelerometer synthesis atoms, with orthogonal "light cones" (which correspond to LEDs with reflectors). The sound here is synthesised from 2 sets of WiiTM Remote accelerometer signals driving Variable Frequency Oscillators (VFOs) in Pure Data; the visuals are in GEM. (For this demonstration every Drancel RGB of each Drancer receives the same signals.)

ScreenCast: NeXML: automating generation of an XML schema and EMF Java bindings from the XML templates (NIAC2008, Sydney)

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Is your web browser or mobile device having trouble running this video player ? Don't worry, it also available for direct download as an H.264 MP4 (397MB) at 1024 x 768 pixels resolution.

Video screencast: YouTube: MagicDraw UML: SysML Plugin active validation tutorial

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A MagicDraw™ UML eSchool tutorial by Dr Darren Kelly demonstrating the active validation technology of MagicDraw UML15.5 applied to a SysML example. Learn how the active validation mechanism highlights model problems with active indicators of severity levels, and how to apply suggested fixes, to improve the consistency and compliance of your UML and SysML models.

Video: YouTube: Drancing accelerometer music with Wiimotes: 3D amplitude (volume) variation + triggered "air drum" samples

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Demonstrates combined amplitude (volume) variation, and triggered drum samples ("Drumming by Dancing", "air drums") modes along with Drancel RGB monitor visuals projected onto the "Drancer" performer. Includes stereo echo with constant timescale and some feedback.

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").

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

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Demonstrates variable frequency oscillators + triggered drum samples ("Drumming by Dancing", "air drums") modes along with Drancel RGB monitor visuals projected onto the "Drancer" performer.

For this demonstration two hand-held WiiTM Remotes on a MacBook Pro were used.

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 Drancel RGB 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").

Video: Drancing suit 2002: "air DJ" scratching: variable frequency + variable amplitude

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So who needs a turn-table ? Look Mum, no hands !

Video: Drancing suit 2002: Drumming-by-Dancing "air drums" sample triggering mode

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The original "Drumming-by-Dancing" (a.k.a. non-tactile "air drums") mode after which Drancing was named. Drum samples are triggered by conditioned triaxial accelerometer signals driven by free body movement.

Video: Drancing suit 2002: hi-energy sporty: variable frequency + variable amplitude

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Physical exertion is expressed by the variation of frequencies and amplitudes of 15 sine wave oscillators by 5 triaxial accelerometers.

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

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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.

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.

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.

randomness