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Sound research at Acoustical Society meeting
Date:5/9/2011

/abstracts/search.may11/asa958.html

Rude Noises

New low-flow toilets save a lot of water but are noisier than the older models. Noral D. Stewart of Stewart Acoustical Consultants reports on a recent problem in an office, where the installation of the new toilets increased nearby sound levels from 30 decibels to about 40 decibels. Stewart reduced the noise by improving the surrounding walls. For comparison, the sound level in an office open-plan cubicle office is about 48 decibels and the level for a normal conversation is about 60 decibels. Presentation 4pAAb4, "An experience reducing toilet flushing noise reaching adjacent offices," is in the second afternoon session on Thursday, May 26 in Grand Ballroom B. Other papers in this session address other plumbing issues, such as restrooms in hospitals, the routing of pipes through wooden structures, and the sound of water pumps in high-rise condominiums. Abstract: http://asa.aip.org/web2/asa/abstracts/search.may11/asa965.html


Highlights: Friday, May 27

New Cochlear Implant Approach to Improve Melody Perception

For people with hearing problems, a cochlear implant can transform their world. The surgical implants perform very well rendering spoken language. Melody perception, however, remains a challenge. But a new system that adapts cellphone sound processing appears to bring cochlear implant technology closer to offering the best of both acoustical worlds: speech and music. Compared with the conventional cochlear-implant sound sampling strategy, the new scheme significantly improved melody perception. In a test of nine subjects wearing cochlear implants who were asked to identify 10 melodies, results showed 10󈞀 percent improvement. Notes lead researcher Fan-Gang Zeng, Ph.D., research director of the Hearing and Speech Lab at the University of California, Irvine: "One pot
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Contact: Charles E. Blue
cblue@aip.org
301-209-3091
American Institute of Physics
Source:Eurekalert

Page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14

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