3D Imaging Sonar
   Underwater Research Lab at Simon Fraser University (SFU) has been researching a new sonar imaging concept called Computed Angle-of-Arrival Transient Imaging (CAATI).
   http://www.ensc.sfu.ca/research/url/sonar/SARAS.html

Acoustics Laboratory of Finland
   Helsinki University Acoustics Lab.
   http://www.acoustics.hut.fi/

Acoustics, Vibrations and Dynamics
   George W. Woodruff School of Mechanical Engineering at the Georgia Institute of Technology
   http://www.me.gatech.edu/acoustics/#Research

Active Noise Control
   University of Adelaide. Active noise and vibration control group. Current research projects and publications.
   http://www.mecheng.adelaide.edu.au/anvc/home.html

Aerospace and Acoustic Technologies (AAT), GTRI
   Research in noise and active noise cancellation, a unit of Georgia Tech Research Institute.
   http://www.gtri.gatech.edu/atas/aat/

American Institute of Physics
   Online journals of pages of free and useful information on physics.
   http://www.aip.org/aiphome.html

Applied Physics Laboratory-University of Washington
   Emphasizing Navy applications.
   http://www.apl.washington.edu/

Department of Acoustics, Aalborg University (DK)
   
   http://acoustics.auc.dk/

ISVR Consultancy Services
   Self-supporting advisory unit within the Institute of Sound and Vibration Research at the University of Southampton in the UK, involved in teaching, research and consultancy in sound and vibration.
   http://www.isvr.co.uk/

Institute of Sound and Vibration Research
   Program at the University of Southampton in the UK. Includes research groups, conferences, undergraduate and postgraduate courses, and vacancies.
   http://www.isvr.soton.ac.uk/

Music Acoustics (at the University of New South Wales, Sydney)
   Introductory pages on music acoustics in general, and more specialised pages on the acoustics of flutes, violins, guitars, speech and on cochlear implants.
   http://www.phys.unsw.edu.au/music/

NPL Acoustics
   Our most fundamental role is to develop and maintain primary measurement standards for sound in air and water across a wide range of frequencies, from the infrasonic to tens of megahertz.
   http://www.npl.co.uk/npl/acoustics/

Noise Management Institute
   The Noise Management Institute works to improve community understanding of noise management issues and to promote effective problem solving using new media technology.
   http://www.noisemanagement.org/

Pennsylvania State University (USA)
   Graduate Program in Acoustics.
   http://www.acs.psu.edu/

Virginia Merrill Bloedel Hearing Research Center
   University of Washington Hearing Research.
   http://depts.washington.edu/hearing/