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Animal Acoustic Communication
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Low-cost bat monitoring kit

part # 40040
Low-cost computer-based bat monitoring system consisting of a phantom-powered electret microphone (#40002 or #40006), an USB audio interface (#43008) and the Avisoft-RECORDER single-channel software (#10201). The 192 kHz USB audio interface limits the maximum signal frequency that can be recorded with this system to 80...90 kHz.

The recording system can be operated from a low-cost netbook or a small desktop PC.
low cost bat monotoring system principle

Principle of the low-cost bat monitoring system


Because this low-cost solution employs a mass-market USB audio interface that has been primarily designed for musicians, it is more complicated to set-up (there are numerous knobs and buttons and certainly setting the sample rate to 192 kHz is not straightforward). So, if simplicity, reliability and a small form factor are important, one of the integrated UltraSoundGate systems (116Hnbm or 116Hn) would be a better choice.

System requirements : PC with at least an Intel Atom processor at 1 GHz, running Windows XP, Vista, 7 or 8

Optionally available accessories

  • Microphone extension cables (XLR-3) with custom-specific lengths up to 150 m
  • USB bus extender for operating the UltraSoundGate 116Hnbm via up to 500 m of multi-mode fiber optics (USB 2.0 Ranger 2224), which will avoid electromagnetic noise interferences from wind turbine power cables that can occur under certain circumstances (when the microphone cable has been installed unfortunately in close proximity to the power cables).
  • Intel Core i3 mini computer (4GB RAM, 128GB SSD, 3 x USB 2.0, Windows 8.1) with preinstalled RECORDER USGH / SASLab Lite software, suited for long-term monitoring at sites with access to AC power (at wind turbines for instance). This system will boot automatically after an AC power loss (siehe auch Langzeitmonitoring).

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© 2008 Avisoft Bioacoustics

last modified on 25 February 2013

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