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Ultrasonics / Acoustics / Sonar

Ultrasound is very much like sound except that it's so high pitched that it's beyond the range of human hearing. There's a lot more to the business of Acoustics than what can be heard. Here are some helpful contacts...

Loughborough University Underwater Acoustics Research Group - was http://sonar-fs.lboro.ac.uk

Bruel & Kjaer

SRD UK - hydrophones

National Instruments - fast A-D (analogue to digital) and D-A (digital to analogue) with Linux support

Precision Acoustics Ltd

AviSoft - Hardware and Software for Investigating Animal Sound Communication

This list is being expanded, and was started in order to thank people who have helped in various ways towards a project which I'm working on. I'll most likely explain more about this later.