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

ted, as yet there is no agreement on the underlying mechanism or mechanisms that make it audible." The NSMRL researchers investigated potential underlying mechanisms for this phenomenon. One theory is that human beings don't hear the sound itself directly. Transmission-path distortion has been suggested as a possible explanation for ultra-high frequency hearing. According to the transmission-path demodulation theory, the various tissues that the sound passes through in the head modify the ultra-high frequencies down into the audible frequency range. An alternate theory is that, although not its normal response, the human auditory system is able to respond to ultra-high frequency sound via direct inner-hair-cell stimulation. This work is intended to link underwater hearing with bone conduction hearing to determine if they share the same underlying mechanism. Presentation 2pPP3, "Human underwater bone conduction hearing in the sonic and ultrasonic range," is in the afternoon session on Tuesday, May 24 in Metropolitan room B. Abstract: http://asa.aip.org/web2/asa/abstracts/search.may11/asa527.html


Highlights: Wednesday, May 25

Exploring Caves with Sound

Soldiers or emergency rescuers entering a cave will want to know the geometry of that cave. Farther along does the cave widen into a larger chamber or narrow into nothingness? Are there obstructions or holes along the way? David L. Bowen of Acentech Inc. describes a detector his firm has developed that sends planar sound waves into a cave and monitors the return reflected waves with a pair of sensors. By untangling the return times and patterns of the reflected waves, a cave geometry can be computed. The sound source can consist of a subwoofer type of loudspeaker emitting a steady stream of waves or, as used by soldiers in the field, the impulsive sound from a fired gun. A rugged laptop can quickly pe
'/>"/>

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

Related biology news :

1. Researcher to present discoveries on medical uses of ultrasound to Londons Royal Society
2. Researcher to present discoveries on medical uses of ultrasound to London’s Royal Society
3. The science of sound
4. PMH researchers create an organic nanoparticle that uses sound and heat to find and treat tumors
5. Researchers discover new wintering grounds for humpback whales using sound
6. Medical imaging breakthrough uses light and sound to see microscopic details inside our bodies
7. Fall bonefish census sounds warning bell that warrants careful future monitoring
8. Author predicts widespread acceptance of pocket-sized ultrasound machines
9. Hearing colors, seeing sounds: New research explores sensory overlap in the brain
10. Bat brains offer clues as to how we focus on some sounds and not others
11. Undergraduates low-cost ultrasound system wins Gates Foundation grant
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:3/20/2015)... Markets ( http://www.researchandmarkets.com/research/vkzvcs/iris_biometrics ) has announced the addition ... report to their offering. This report analyzes ... report provides separate comprehensive analytics for the US, ... Europe , Asia-Pacific , ... . Annual estimates and forecasts are provided for ...
(Date:3/17/2015)... March 17, 2015 Emotient, the leader ... today announced general availability of Emotient Analytics ... the analysis of facial expressions. The system analyzes ... content, products and services. It delivers audience response ... sentiment - as derived from facial evidence of ...
(Date:3/12/2015)... WINSTON-SALEM, N.C. , March 12, 2015 ... afternoon at Brenner Children,s Hospital, part of Wake Forest ... an outreach initiative for the 2015 ACC Men,s Basketball ... taking pictures with them and getting their autographs. ... Wake Forest Baptist. It is the only children,s hospital ...
Breaking Biology News(10 mins):Iris Biometrics - Global Strategic Business Report 2015: System & Network Access Control - A Robust Market Opportunity in the Offing 2Iris Biometrics - Global Strategic Business Report 2015: System & Network Access Control - A Robust Market Opportunity in the Offing 3Iris Biometrics - Global Strategic Business Report 2015: System & Network Access Control - A Robust Market Opportunity in the Offing 4Iris Biometrics - Global Strategic Business Report 2015: System & Network Access Control - A Robust Market Opportunity in the Offing 5New Emotient Web Service Measures Audience Response Using On-Demand Facial Expression Analysis 2New Emotient Web Service Measures Audience Response Using On-Demand Facial Expression Analysis 3New Emotient Web Service Measures Audience Response Using On-Demand Facial Expression Analysis 4
... poisonous ― but it might be used as an ... Tel Aviv University researcher claims. Prof. ... Sciences is investigating new ways for developing a novel ... of scorpions. These compounds have gone through millions of ...
... Bridget (Birgitta) of Sweden that has been kept in a ... study conducted at Uppsala University reveals that the two skulls, ... (Katarina), is not from maternally related individuals. Furthermore, dating show ... Bridget and Catherine lived. The findings are published in the ...
... will greatly benefit the U.S., say scientists in an ... of America (ESA), the nation,s largest organization of ecological ... and economic benefits of biofuel production, U.S. policies need ... ecosystems. In the report, scientists Virginia Dale, Keith ...
Cached Biology News:Pinch away the pain 2Pinch away the pain 3The putative skull of St. Bridget can be questioned 2Beyond the corn field: Balancing fuel, food and biodiversity 2
(Date:3/26/2015)... 2015  Roka Bioscience, Inc. (NASDAQ: ROKA ... advanced testing solutions for the detection of foodborne ... three months and full year ended December 31, ... for the quarter ended December 31, 2014 was ... quarter of 2013 and $1.5 million for the ...
(Date:3/26/2015)... /PRNewswire/ - SQI Diagnostics Inc. ("SQI" or the "Company") ... certain matters, including the appointment of auditors, its annual ... 2015 (the "Meeting") was adjourned, as previously disclosed on ... a.m. ( Toronto time). The date ... previous disclosed. The Meeting will reconvene at the offices ...
(Date:3/26/2015)... DIEGO , March 26, 2015  BioNano Genomics, ... appointment of  Terry Salyer as chief commercial officer. ... highly effective, worldwide sales teams in life sciences. At ... ® System, a genome-mapping platform to assemble a ... investigate structural variations. To date, 32 institutions located in ...
(Date:3/26/2015)... -- Neogen Corporation (NASDAQ: NEOG ) announced today ... fiscal 2015, which ended Feb. 28, increased 13% to ... per share in the current quarter were $0.20, compared ... increased 17% over prior year to $24,142,000, or $0.65 ... for the same period a year ago. ...
Breaking Biology Technology:Roka Bioscience Reports Fourth Quarter and Full Year 2014 Financial Results 2Roka Bioscience Reports Fourth Quarter and Full Year 2014 Financial Results 3Roka Bioscience Reports Fourth Quarter and Full Year 2014 Financial Results 4Roka Bioscience Reports Fourth Quarter and Full Year 2014 Financial Results 5Roka Bioscience Reports Fourth Quarter and Full Year 2014 Financial Results 6Roka Bioscience Reports Fourth Quarter and Full Year 2014 Financial Results 7SQI Diagnostics Inc. Announces Adjournment of Meeting 2BioNano Genomics Appoints Terry Salyer as Chief Commercial Officer 2BioNano Genomics Appoints Terry Salyer as Chief Commercial Officer 3Neogen reports 13% increase in net income 2Neogen reports 13% increase in net income 3Neogen reports 13% increase in net income 4Neogen reports 13% increase in net income 5Neogen reports 13% increase in net income 6Neogen reports 13% increase in net income 7Neogen reports 13% increase in net income 8
... BioSpace , the leading life sciences employment and news ... marking the 7th edition. (Logo: ... organizations across the northwestern United States and western Canada. ... printed campaign map that is promoted online ...
... 2011 Funds Will be Used ... System Designed to Drive the Widespread Adoption of ... Fight Against Infectious Disease Biocartis, a ... systems designed to drive the widespread adoption of ...
... InspireMD, Inc. (OTC BB: NSPR) ("Inspire" or the "Company"), ... commercialization of its proprietary stent platform technology, today announced ... the Company,s board of directors and the former Chairman, ... Chairman of InspireMD,s Board of Directors, effective immediately. InspireMD ...
Cached Biology Technology:BioSpace Spotlights Northwest's Life Science Community 2Biocartis Completes EUR 71 Million (USD 100 Million) Series C Fund Raising 2Biocartis Completes EUR 71 Million (USD 100 Million) Series C Fund Raising 3Biocartis Completes EUR 71 Million (USD 100 Million) Series C Fund Raising 4InspireMD Elects Sol J. Barer, Ph.D. Chairman of the Board of Directors 2InspireMD Elects Sol J. Barer, Ph.D. Chairman of the Board of Directors 3
anti-JNK2 Immunogen: Recombinant human JNK2 protein Accession Number: NM_002752 Quality Assurance: Routinely evaluated by immunoblot. Molecular Weight: 46 and/or 54 kDa Available ...
Gloves are 9.25 long, latex, powder free, smooth and ambidextrous....
Request Info...
... KLH-conjugated, synthetic peptide corresponding ... of human BRAF-HDAC complex protein/Lysine-specific ... Quality Assurance Routinely evaluated ... 2 years at -20°C ...
Biology Products: