159th meeting of the Acoustical Society of America (April 19-23,2010)

Acoustical Society of America held 159th meeting on on noise and noise control at Baltimore Marriott Waterfront Hotel in Baltimore, MD on April 19-23, 2010. Lister below are just a few of the meeting’s many interesting noise-related talks. 1) Aviation Engineering: STIFLING THE SONIC BOOM 2) City Noise: IDENTIFYING THE SOUNDS OF CRISIS 3) Human […]

Acoustical Society of America held 159th meeting on on noise and noise control at Baltimore Marriott Waterfront Hotel in Baltimore, MD on April 19-23, 2010. Lister below are just a few of
the meeting’s many interesting noise-related talks.

1) Aviation Engineering: STIFLING THE SONIC BOOM
2) City Noise: IDENTIFYING THE SOUNDS OF CRISIS
3) Human Noises: SOUND LEVELS IN THE ARCTIC OCEAN
4) Community Noise Mitigation: PUBLIC OUTREACH WORKSHOP
5) Noise Inside a Car: QUIET CONCRETE ROADS
6) Construction Noise: “NO RACKET” JACKET FOR JACK HAMMER
7) Signal Processing: NOISE FILTERING FOR THE HEARING IMPAIRED
8) Noise in Healthcare Settings: NEW LEGAL STANDARDS
9) More Highlights — OTHER INTERESTING SESSIONS
10) More Information for Journalists

———————————————————-
1) Aviation Engineering: Stifling the Sonic Boom SONIC “PUFF” TECHNOLOGY MAY
SPEED SUPERSONIC FLIGHT OVER LAND

For the last 40 years, commercial aviation has hit a speed barrier in
regulations prohibiting supersonic flight over land. These aim to limit the
negative impact of loud sonic booms on populated areas, and current
regulations permit commercial supersonic flight only over oceans,
significantly limiting the speed benefit from supersonic flight. New
aircraft configurations are emerging that are shaped to minimize the shock
waves associated with sonic booms and may allow supersonic speed over land.

Talk #1aNCa1, “Sonic boom: From bang to puff” is at 8:05 a.m. on Monday,
April 19. Abstract:
http://asa.aip.org/web2/asa/abstracts/search.may10/asa53.html

———————————————————-
2) City Noise: Identifying the Sounds of Crisis ACOUSTIC AND SEISMIC SENSORS
IN BALTIMORE HELP SORT COMPLEX CITY SOUNDS

Beeping, shouting, construction, the sounds of tires on roads, and other
loud noises — all partly masked by mazes of tall buildings — make up the
fabric of the modern urban soundscape. To urban sound sleuths such as Donald
G. Albert, a scientist with the Engineer Research and Development Center
(ERDC) Cold Regions Research and Engineering Laboratory, in Hanover, NH,
this complex soundscape is a challenge. He is tasked with developing a way
to use sensors to sort out the complex bounce of signals, noise, scattered
sounds, echoes, and vibrations in urban environments.

Talk #1pNSc1, “Urban acoustic and seismic noise measurements in Baltimore”
is at 1:30 p.m. on Monday, April 19. Abstract:
http://asa.aip.org/web2/asa/abstracts/search.may10/asa238.html

———————————————————-
3) Human Noises in the Arctic
LOSS OF POLAR ICE INCREASES BOAT TRAFFIC AND SOUND LEVELS IN ARCTIC OCEAN

With the melting of polar ice, never before in modern life has so much open
ocean water been accessible in the Arctic. And where there’s water, there is
opportunity for commercial shipping, and where shipping lanes emerge, big
boats
— and big noise — may follow.

Talk #1aAO1, “The accessible Arctic Ocean” is at 9:05 a.m. on Monday, April
19.
Abstract: http://asa.aip.org/web2/asa/abstracts/search.may10/asa26.html

———————————————————-
4) Community Noise Mitigation: Public Outreach Workshop NOISE HAS A PROFOUND
LOCAL IMPACT — EVEN IF FEDERAL POLICY DOES NOT

Community noise is a major social problem that generally decreases the
quality of life for many people in the United States, and it is continuing
to grow — especially in major urban areas. In cities like Baltimore,
community noise causes a variety of problems for local residents — from
simple annoyances to profound negative impacts on human health.

The workshop will include a panel of prominent national speakers on
community noise control who will make presentations on a variety of topics
faced by residents of Baltimore, including the noise situation in Baltimore,
desired local government responses, the Baltimore noise ordinance, the
Maryland noise control regulation, and the role of federal, state and local
governments in addressing community noise issues. The Workshop will also
give the first brief overview of a forthcoming National Academy of
Engineering study titled “Technology for a Quieter America,” which will be
published later this year.
———————————————————-
5) Noise Inside a Car
QUIET CONCRETE PAVEMENT IS KEY TO MORE QUIET RIDE

The stereo test tells all: You’re in the driver’s seat, buckled in, mirrors
adjusted, traffic checked, in gear. Rolling. Cue the sound system, crank the
volume, and crank it again. And then crank it again. This simple diagnostic
is
revealing: If you have to keep turning your stereo up as you drive to hear
the music, you likely have “noisy pavement” under your tires.
April 19. Abstract:
http://asa.aip.org/web2/asa/abstracts/search.may10/asa210.html

———————————————————-
6) Construction Noise
QUIETING THE SOUNDS OF PROGRESS — THE “NO-RACKET JACKET”

New York City is constantly maintaining, repairing, and reinventing itself,
ongoing work that creates a lot of construction noise. However, a
collaborative team including the New York City Department of Environmental
Protection (DEP), consultants, utilities and an equipment vendor are working
together to quiet the sounds of progress and improve the quality of life for
those who live and work in the city. In furthering the city’s commitment to
reducing noise is embodied in a new noise code and new construction rules,
the DEP team wanted to look at ways to eliminate jackhammer noise — an
annoyance for residents and businesses and an important occupational hazard
for construction workers.

Talk #2pNCa9, “Proactive regulation engenders creative innovation: Quieting
the jack hammer” is at 3:00 p.m. on Tuesday, April 20. Abstract:
http://asa.aip.org/web2/asa/abstracts/search.may10/asa478.html

———————————————————-
7) Signal Processing: Noise Filtering for the Hearing Impaired A SOLUTION
FOR IMPROVING SPEECH INTELLIGIBILITY FOR THE HEARING IMPAIRED

Recall what it is like trying to focus on a conversation in a crowded and
noisy bar — and then imagine having to do this even in a relatively quiet
room. This is exactly the challenge that faces many people who rely on
hearing aids or have cochlear implants. While these technological advances
make it possible for many to hear who would not otherwise, they do not allow
the individual to filter out background noise.
Talk #2aSC1, “Noise-suppression algorithms for improved speech
intelligibility by normal-hearing and cochlear implant listeners” is at 8:05
a.m. on Tuesday, April 20. Abstract:
http://asa.aip.org/web2/asa/abstracts/search.may10/asa410.html

———————————————————-
8) Noise in Healthcare Settings
NEW ACOUSTICAL STANDARDS PRESENT BOTH CHALLENGES AND OPPORTUNITIES

A pair of new documents on healthcare acoustics, which have just been
released after five years of peer review and public comment, are described
by one of their authors as both a carrot and a stick. They set measurable
minimum acoustical standards for the health care industry, and because these
new standards have already been adopted by the Leadership in Energy and
Environmental Design (LEED) Green Building Rating system, they are the basis
for two new Environmental Quality credits. Because of Health Insurance and
Portability Act (HIPAA) rules and new conditions imposed last November by
Obama’s ARRA HITECH Act, there are serious fines (up to $1.5 million) for
non-compliance.
Talk #2aNSc11, “Strengthening the healthcare guidelines: About the new
online research community” is at 11:40 a.m. on Tuesday, April 20. Abstract:
http://asa.aip.org/web2/asa/abstracts/search.may10/asa369.html

Talk #2pAAa1, “Speech privacy: The new 2010 architectural guidelines” is at
1:00 p.m. on Tuesday, April 20. Abstract:
http://asa.aip.org/web2/asa/abstracts/search.may10/asa438.html

———————————————————-
9) MORE HIGHLIGHTS — OTHER INTERESTING SESSIONS ON NOISE In addition to the
highlighted talks above, there are many other interesting noise-related
talks and sessions at the meeting — some of which are listed below. For a
complete list of abstracts for any of these sessions, go to the searchable
index for the 159th Meeting (http://asa.aip.org/asasearch.html) and enter
the session number with asterisk (e.g., 1aNSa*).