The Batbox Baton XD is uses both frequency division and time expansion to reduce the frequency of bat calls. Frequency division divides the ultrasonic spectrum by ten in real time whilst time expansion instantaneously creates a high speed digital recording, of optimum calls selected by the XD, before playing them back immediately. The unit does not go "deaf" at any point meaning no bat pass will be missed. The output can be sent to any recording device, including iPhone and Android phones, for instant or later spectrum analysis. By using both frequency division and time expansion the XD is able gain information on four essential elements of bat calls; bandwith, repetition rate, call shape and relative intensity. Both modes retain amplitude information and frequency bandwidth. The call repetition rate is available from frequency division and a more detailed output of call shape is provided by time expansion.
All of the Baton XD's features can be accessed through a single tactile button. The single button operation controls the speaker output, channel swapping and volume changing. The auto-sensing output adjusts automatically for different devices which might be connected to it such as headphones, line-out devices, recorders and smart phones.
The Baton XD is packed with the very latest advanced circuitry in a very small device and yet it only consumes 20mA. Battery life, even with a standard alkaline battery, is above 20 hours (depending on use) but can be considerably extended by using a lithium type to around 60 hours.
Baton XD is also available with built-in strong magnets which will enable the unit to be attached to the exterior of most cars for road surveys. Please select this option from the drop down menu if you require this feature.
Please note that the Baton XD does not come with software, but there are a number of free apps that are available for viewing spectrograms a list of which are below. These apps are external software and are not supplied or supported by either NHBS or Batbox.
Time expansion and frequency division (x10)
A-D convertor 441kHz sample rate (12 bit)
Output DAC 44.1kHz (12 bit)
Frequency response better than 18kHz to 120kHz
Intelligent output sensing of Line-out/headphone/smart phone
Power consumption 20mA
Battery 9v, PP3 (<60hrs with Lithium Polymer, <15 hrs with NiMH)
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