![[Courtpan Design Ltd]](images/logo.gif){kind=logo}
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| Tranquility Time Expansion Bat Detector/RecorderThe Tranquility Time Expansion Bat Detector/Recorder is the new cool kid on the block. It is wide band in operation and receives the whole of the ultrasonic range that is used by bats. No tuning is required. It records all bat calls at all frequencies then plays back at a much lower rate. This means that the ultrasonic frequency range is converted to an audible human hearing range. When using the detector on location the slowed down signal, referred to as a "time expansion" signal can be recorded onto a tape recorder. The tape recorder output can then be fed to a sound card in a PC for signal analysis, giving a very good tool for bat species identification. Of course, the PC must have suitable software. Using this method an objective assessment is available for determining bat species not subjective as in the past using heterodyne detectors. The sound of a time expanded signal is similar to the sound of whale calls, (whereas the whale call is speeded up and not slower down.) All the nuances of the bat calls can be heard . . . click here for more on bat detector
Company ProfileCourtpan Design Ltd produces the much valued Tranquility Time Expansion Bat Detector/Recorder. We have four products under the Tranquility brand. Tranquility II, Tranquility III, Tranquility Transect and Tranquility Ecomega. All the four products are quality products much appreciated by those who are keen on bat research. They are guaranteed products with high value and reasonably priced.
Contact InformationDavid Bale and Cynthia Bale
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Products: | Tranquility II | Tranquility III | Tranquility Transect | ECO-Mega | For any enquiry or comment, please use the Feedback or e mail courtpan@gxn.co.ukFor comments about this web site, please email wm@gnxt.net
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