Hear them for yourself

Bat detectors, sound measurement and analysis

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• Pettersson Elektronik AB - bat detectors and sound analysis software

• Avisoft bioacoustics software

• Bruel & Kjaer - precision sound measurement equipment

• Larson-Davis - precision acoustic instrumentation

• Noldus Information Technology - The Observer system for computer-based analysis of behavioural data on video.

• Keithley Instruments - digital acquisition hardware and software.

• National Instruments - high frequency sound cards.

• Mathworks - makers of Matlab software.

• LabView - by National instruments.

• Lotek - for radiotracking and activity logging.

• Build your own bat detector