Google Directory - Science > Technology > Acoustics, Ultrasound and Vibration

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Science > Technology > Acoustics, Ultrasound and Vibration > Resources

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Acoustical Porous Material Recipes - http://apmr.matelys.com
Glossary of terms, models and research methods.

Acoustics and Vibration Animations - http://www.kettering.edu/~drussell/demos.html
Contains animations which visualize certain concepts concerning acoustics and vibration.

Acoustics.org - http://www.acoustics.org/
Provides easy access to information in the broad field of acoustics. Provided by the Acoustical Society of America.

Art Ludwig's Sound Page - http://www.silcom.com/~aludwig/contents.htm
Contains large amount of information about physical and room acoustics, design of loudspeakers.

C37 Acoustics Dieter Ennemoser - http://www.ennemoser.com
Violin maker and acoustic researcher D.Ennemoser's C37-theory of natural sound, including applications on violins and loudspeakers.

http://physics.nad.ru/Physics/English/waves.htm - http://physics.nad.ru/Physics/English/waves.htm
Provides computer animations of waves.

In-Flight Rotorcraft Acoustics Program (IRAP) - http://halfdome.arc.nasa.gov/research/IRAP-intro.html
NASA's aeronautics research will reduce noise to make helicopters and tiltrotors more acceptable to the public. The objective of IRAP is to acquire rotorcraft noise data in flight for comparison to wind tunnel data.

Leak Detection Methods for Plastic Water Distribution Pipes - http://irc.nrc-cnrc.gc.ca/ui/bu/leakdetect_e.html
Research project at the Institute for Research in Construction to investigate the effectiveness of acoustic leak detection equipment.

Modal Analysis and Structural Fatigue - http://www.modalanalysis.com
Solutions using computer modelling to determine the vibration modes and impact on a building, equipment or mechanical component when exposed to a vibration source.

Online Structural Engineering Software - http://www.soft4structures.com/products.html
Theoretical models for plates, beams, trusses and shock absorbers.

Prediction of Earthquakes - http://www.deci.com/poe.htm
Paper by H.L.Dunegan on the use of high frequency sensors to detect acoustic emissions in order to predict earthquakes.

PureSpeakers - http://www.purespeakers.com
Discussions of loudspeaker plans and designs. Sealed, isobaric, ported, mtm, speaker, esotar, tweeter, woofer, midrange, speaker building

Scientific Applications and Research Associated, Inc - http://www.sara.com/
SARA specializes in harnessing electromagnetism, plasmas, acoustics and electronics to build practical applications for force protection, renewable energy, UAVs, small robotics and special test challenges.

Sonic Architecture (TM) - http://www.sonicarchitecture.com
Bill and Mary Buchen.

Sound Sucker: Acoustic Illusion - http://www.amasci.com/freenrg/audhole.html
William Beaty describes an acoustic project with weird results.

The Sonic Weapon of Vladimir Gavreau - http://www.borderlands.com/archives/arch/gavreaus.htm
Gerry Vasilitos describes how Dr. Gavreau and his staff periodically experienced an extreme nausea. Further research led them to identify low frequency sound (7 Hz) as the cause. Could this be used as a weapon?

Wave Field Synthesis and Holophony - http://www.syntheticwave.de/
Provides information with animations on a wave field synthesis based holophony approach to reproducing the acoustics of the opera house in the living room.

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