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Cloaking Devices -- It’s Not Just ‘Star Trek’ Anymore

Scientists are now working to take cloaking devices from the dramatic realm of science fiction and make them real. Amanda D. Hanford, at Pennsylvania State University, is taking the introductory steps to make acoustic ground cloaks. These materials...
30-Apr-2018 1:05 PM EDT Add to Favorites

From the Mouths of Babes: Infants Really Enjoy Hearing From Their Peers

Sorry, new parents -- even though your infants appreciate your coos, they prefer to hear sounds from their peers -- other babies. Even at the pre-babbling stage, infants recognize vowel-like sounds, but they tend to dwell on these sounds when from...
26-Apr-2018 3:05 PM EDT Add to Favorites


Virtual Reality Technology Opens New Doors of (Spatial) Perception

Locating and discriminating sound sources is extremely complex because the brain must process spatial information from many, sometimes conflicting, cues. Using virtual reality and other immersive technologies, researchers can use new methods to...
1-May-2018 3:05 PM EDT Add to Favorites


Ultrasonic Attack is Unlikely, But Incidental Exposure Presents Plenty of Problems

New technologies for mobile devices may use ultrasonic sound waves, and these devices have varying effects on different subsets of the population. Regulation of these technologies is in many ways “the wild west,” according to Timothy Leighton,...
26-Apr-2018 12:05 PM EDT Add to Favorites

Can Chimpanzee Vocalizations Reveal the Origins of Human Language?

Fossil primates provide important clues about human evolution, but the sounds they made and the soft tissue involved in making those sounds weren’t preserved. So chimpanzees can provide important points of comparison for inferring the sorts of...
26-Apr-2018 2:05 PM EDT Add to Favorites

What Does a ‘Normal’ Voice Sound Like?

Humans communicate their intentions, feelings and desires verbally, so voice disorders can have devastating personal and professional consequences. A perceived voice abnormality may lead to a negative assessment of the speaker’s intelligence,...
27-Apr-2018 10:05 AM EDT Add to Favorites


Synchronizing Cochlear Signals Stimulates Brain to ‘Hear’ in Stereo

Using both ears to hear increases speech recognition and improves sound localization. Ruth Litovsky, at the University of Wisconsin-Madison, wants to bring this advantage to people who use cochlear implants. During the 175th ASA Meeting, Litovsky...
2-May-2018 1:05 PM EDT Add to Favorites


Can ‘Local Acoustic Treatment’ Reduce Speech Distraction Within Open-Plan Offices?

To make open offices less noisy, researchers are creating small “acoustic islands” using high-back chairs and retroreflective ceilings to direct sound to help you hear your own conversations -- not others’ -- better. During the 175th ASA...
1-May-2018 11:05 AM EDT Add to Favorites

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