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Acoustical Meeting, Nov. 10-14, 2008 in Miami, Florida
Date:11/5/2008

200 kHz" by David Swanson, Tom Baker, and Ryan terMeulen is at 3:00 p.m. on Thursday, November 13.


12) LAPTOP MUSIC

The Internet allows musicians to perform together remotely and also to carry out real-time processing of the music being produced. It even allows anonymous users to participate in the ongoing sound product. Doug Van Nort (McGill University), who considers himself both an engineer and a musician, has been helping to facilitate internet concerts for several years, and is currently preparing a "concert" to be performed in the popular Second Life virtual reality website. Van Nort is especially interested in improvisations arising from sonic and visual feedback (including gestures by the performers) afforded by the Internet environment and by the inherent time delay imposed on performance. All of these, Van Nort says, alters the way musical rhythm and timbre are perceived. He hopes also to tap the inherent musical ability of those who aren't otherwise equipped or trained to perform by developing a system that encourages their improvisational music making. (http://www.music.mcgill.ca/~doug/ )

The talk, "Creating systems for collaborative network-based digital music performance" (2pMU4) by Doug Van Nort is at 2:45 p.m. on Tuesday, November 11.


13) COMMUNICATING THROUGH WALLS

The thick walls that surround pressure vessels not only keep the contents from escaping, they can also-unfortunately-keep any information about the contents from reaching the outside. To get around this, an ongoing project is using acoustic signals to communicate through several inches of steel wall.

The goal is to avoid drilling a hole in a pressure vessel, which so far has been the only way to learn the temperature or chemical state inside. Such holes weaken the vessel structure and raise the possibility of leaks. Henry Scarton of Rensselaer Polytechnic Ins
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Contact: Jason Bardi
jbardi@aip.org
301-209-3091
American Institute of Physics
Source:Eurekalert

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