Engineering

Keeping up with the conversation

Most people find it difficult to concentrate on a specific voice in a busy environment, but for those who are hard of hearing it's especially challenging. Now, however, a new type of hearing aid, developed with the assistance ...

Internet

MIT to caption online videos after discrimination lawsuit

The Massachusetts Institute of Technology has agreed to provide captions for more of its publicly available online videos as part of a settlement announced Tuesday in a case that accused the school of discriminating against ...

Hi Tech & Innovation

New technology breaks through sign language barriers

Opportunities once distant to the hard-of-hearing community will become a reality with a breakthrough sign language translator. Engineers from Michigan State University developed and patented a technology that – unlike ...

Hi Tech & Innovation

Talking gloves, tactile windows: New tech helps the disabled

Hadeel Ayoub slips a black glove onto her hand before beginning the swish of sign language that is meaningless to the untrained observer. Then she pushes a button on her wrist, and a small speaker relays the message drawn ...

Engineering

Protective hearing tech in the Army: Not too loud and not too soft

(Tech Xplore)—Soldiers' ears have had a tough challenge. Historically, soldiers have had to choose between hearing protection and force protection. In other words, maintaining situational awareness was not in line with ...

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Hearing impairment

A hearing impairment or deafness is a full or partial decrease in the ability to detect or understand sounds. Caused by a wide range of biological and environmental factors, loss of hearing can happen to any organism that perceives sound. "Hearing impaired" is often used to refer to those who are deaf, although the term is viewed negatively by members of Deaf culture, who prefer the terms "Deaf" and "Hard of Hearing".

Sound waves vary in amplitude and in frequency. Amplitude is the sound wave's peak pressure variation. Frequency is the number of cycles per second of a sinusoidal component of a sound wave. Loss of the ability to detect some frequencies, or to detect low-amplitude sounds that an organism naturally detects, is a hearing impairment.

This text uses material from Wikipedia, licensed under CC BY-SA