(Phys.org)—A team of researchers at Duke University has found a way to solve what is known as the cocktail party problem, getting a computer to pick out different human voices among multiple speakers in a single room. In ...
(Phys.org) —In a typical man-made sonar system, pulses of sound emitted by the projector bounce off hidden objects underwater. The echoes are then detected by the receiver to infer the location and size of the hidden objects.
(Phys.org) —"If we want to exploit a rigorously hardened and tested type of computing system or networks of this type of computing system, we have to break new ground. Covert channels are communication channels utilizing ...
(Phys.org) —A remote acoustic detection system designed to identify homemade bombs can determine the difference between those that contain low-yield and high-yield explosives.
General Physics
Oct 23, 2013
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An independent scientific review panel has concluded that the mass stranding of approximately 100 melon-headed whales in the Loza Lagoon system in northwest Madagascar in 2008 was primarily triggered by acoustic stimuli, ...
Ecology
Sep 25, 2013
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An early warning system against tsunamis has been developed and tailored for the need of the Mediterranean, but preparedness on the ground is paramount to ensuring peoples' safety.
Earth Sciences
Aug 29, 2013
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Providing a "second screen" experience for audiences at movie theaters, stadiums and other public venues need not require a special wireless infrastructure. Instead, a system developed by Disney Research, Zürich, uses the ...
Business
Jul 19, 2013
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As part of the Dutch STW SeaSTAR project researchers at the University of Twente have conducted tests using underwater communication and location finding at the Rutbeek water recreation park near Enschede. The aim of the ...
Engineering
Jun 5, 2013
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(Phys.org) —Researchers at the University of Strathclyde have discovered that the greater wax moth is capable of sensing sound frequencies of up to 300kHz – the highest recorded frequency sensitivity of any animal in ...
Plants & Animals
May 8, 2013
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(Phys.org) —Radar systems today depend increasingly on phased-array antennas, an advanced design in which extensive grids of solid state components direct signal beams electronically. Phased array technology is replacing ...
Engineering
Mar 31, 2013
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