Tag: "microphones" at biology news

World's top theoretical physicists converge to consider 'future of physics'

...uditorium has been designed for the task. Fifteen microphones in the low ceiling enable the recording of every question as well as the speaker's response. Provisions have been made for video equipment to capture not only the speaker, but also the audience. The full dynamics of intellectual interaction can now...

Acoustics meeting in San Diego

...on. (2aSC1) TRULY "MICRO" PHONES Of the billion microphones made every year for cell phones and other consumer... or millionths of a meter. While many of the MEMS microphones are based on the same design as their larger, conventional counterparts, they are much more robust ...

An ear for crime

...nce in the time the sound arrives at the different microphones on a SENTRI acoustic units unit. It then points a camera, turns on lights, sounds an alarm, and alerts police units. Field tests with real guns (45 cal, 38 cal, 9 mm) have shown 95% accuracy with respect to gunshot recognition, and 100% accurac...

Secrets of whales' long-distance songs are being unveiled

... as they move through the Atlantic, the underwater microphones of the Sound Surveillance System (SOSUS) can track singing blue, fin, humpback and minke whales. From the acoustical maps he and his colleagues have obtained, Clark has come to realize that he has been thinking about whales at the wrong time scale. ...

Scientists journey to southern Africa to unravel the secret world of elephant communication

...hants were feeling the calls and not hearing them, microphones were installed above ground so researchers could monitor all low frequency sounds in the air."The results of our 2002 study showed us that elephants do indeed detect warning calls played through the ground," O'Connell-Rodwell observes. "We expected t...

New research shows bats have complex skills to deal with 'clutter'

...gh-speed infrared cameras and strategically placed microphones in the "Batlab," Moss's team was able to match slowed video and audio recordings of the bat's echolocation activity and corresponding movement as it pursued an insect tethered to a string. The insect could be out in the open, or nestled in among lea...

How a locust's eardrum could lead to tiny microphones

... insect ears can be so sensitive could lead to new microphones able to capture and analyse extremely faint sounds...nto mechanical responses we may be able to develop microphones based on the functions of natural hearing. These could detect very faint sounds and analyse their fr...

Whale bubble nets, saxophone sounds, ultrasonic laser

...algorithm that reduces wind noise picked up by the microphones in hearing aids (5aSP4). In work that might be useful for detecting individuals in homeland security applications, Alexander Ekimov of the National Center for Physical Acoustics at the University of Mississippi ( aekimov@olemiss.edu ) will present a ...

Listening to the sound of skin cancer

...However, researchers can pick them up with special microphones and analyze them with a computer. Other human cells do not contain pigments with the same color as melanin, so the melanin signature is easy to tell apart from other noises, said John Viator, a biomedical engineer at Missouri-Columbia and a coauthor ...

Listening to gunshots may save lives and wildlands

..." Maher said. Those booms can be recorded using microphones placed in different locations and then with geometry, the trajectory of the bullet can be determined through triangulation. Maher successfully determined the trajectory of a bullet using this method at the Logan Shooting Range, near Trident, Mont....

Hopkins research professor talks at NJIT about hospital noise and black heritage in technology

...ng and voice communication. Some 90 percent of all microphones manufactured today, including those in cell phones...U.S. patents and more than 200 foreign patents for microphones and techniques for making polymer electrets. He was inducted into The National Inventors Hall of Fam...

Study shows isolation of stem cells may lead to a treatment for hearing loss

...s due to loss or faulty development of the sensory microphones (hair cells) inside the ear the cochlea. Lost hair cells are not replaced and people exposed to these conditions face permanent hearing loss. Identification of the stem cells from the adult cochlea would be a major step forward to develop new therap...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...ise can be measured using various sensors, such as microphones and even skin-mounted accelerometers. Scientists at the Scripps Institute of Oceanography listen to muscle noise in order to detect muscle stiffness, which in turn can provide information about neuromuscular disease, such as muscular dystrophy. Musc...

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(Date:7/28/2014)... and other forms of dementia, but the research community ... of Washington bioengineers have a designed a peptide structure ... normal proteins into a state that,s linked to widespread ... diabetes and Lou Gehrig,s disease. The synthetic molecule blocks ... into an abnormally folded form by targeting a toxic ...
(Date:7/28/2014)... that 73 percent of adult survivors of childhood cancer ... and related health problems by failing to follow a ... of the journal Cancer . , Almost 32 ... in the study had metabolic syndrome, an umbrella term ... obesity, elevated triglyceride and other abnormalities that often occur ...
(Date:7/28/2014)... Research and Markets has announced the addition ... report to their offering. ... biological data. These systems capture biological traits such as ... hand measurements from the subject and compare the data ... of a biometrics system is to identify and verify ...
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