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directly from wiki:reacTIVision
The live video stream received from a digital video camera is processed by the open-source computer vision software called reacTIVision, originally developed by Martin Kaltenbrunner and Ross Bencina for the Reactable project. reacTIVision detects cartesian and rotational placement of fiducials on the table surface, then emits the specially designed Open Sound Control based network protocol called TUIO, which communicates to the actual synthesizer and visualization software that outputs to the video projector. reacTIVision is also capable of multi-touch fingertip tracking.
2009/9/9 Raul Bonell <raul.bonell@gmail.com>on wiki they say there are just 10 reactables. it was designed here in barcelona (catalonia) at pompeu fabra university. one of the creators of the software behind reactable is ross bencina the programmer of modular host, audiomulch.
2009/9/9 Mech <mech@m3ch.net>Reactable! Yeah, I knew there was a better product for comparison than the Percussa Audiocubes, but couldn't recall what it was at that moment.
Thanks for jogging my memory, Raul! :)
(p.s. wasn't the reactable like wicked expensive when it finally came out? i know the audiocubes ain't exactly cheap.)
--m.
At 7:08 AM +0200 9/9/09, Raul Bonell wrote:
looks like a chinese reactable ...<http://www.youtube.com/watch?v=vm_FzLya8y4>http://www.youtube.com/watch?v=vm_FzLya8y4
2009/9/9 Mech <<mailto:mech@m3ch.net>mech@m3ch.net><http://www.d-touch.org/audio/>http://www.d-touch.org/audio/
Okay, this could be kinda cool...
Raul Bonell at Blogger: <http://raulbonell.blogspot.com>http://raulbonell.blogspot.com
"Audio d-touch is a collection of applications for real-time musical composition and performance, with very special user interfaces. The collection includes a drum machine and a sampling sequencer, both are controlled by spatially arranging physical objects on an interactive table surface. Each object represents a sound, and its position with respect to the surface is mapped to certain playback parameters...."
Watch the video. It's kinda like a cheap, DIY set of audiocubes, or some other visual/physical interaction device.
It might be a little unwieldy, but I think it could possibly be used for Live Looping performances, given a little customization. It would probably be excellent for vocal loopers and other performers who have their hands free. Plus, you can probably run a parallel feed off the webcam and give your audience something visual as well.
I know the Max/MSP set will be quick to jump in and point out that this sort of thing has been available with Jitter for a while. I know, I know. But not all of us can program in Max (yet!) and, heck, this is free... ;)
--m.
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"beyond this window, night is shuddering and the earth grinds to a halt
beyond this window, something unknown is watching you and me...."
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Chain Tape Collective: <http://www.ct-collective.com>http://www.ct-collective.com
--Raul Bonell at Blogger: http://raulbonell.blogspot.com
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Raul Bonell at Blogger: http://raulbonell.blogspot.com
Chain Tape Collective: http://www.ct-collective.com