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The M500 and M500-384 USB Ultrasound Microphones enables you to make high-quality, full spectrum recordings of bat calls or other ultrasonic signals.
The M500-384 uses standard sound device drivers and does not require installation of any custom drivers. It works with a wide variety of computers, laptops, tablets and smartphones, using the sound recording software of your choice, with iOS or windows operating system.
The M500 microphone is easily used with a tablet, computer or laptop, using the sound recording software of your choice, with windows operating system.
Both microphones come in a slim and durable aluminium enclosure and utilizes the same advanced electret microphone technology as the well-known D500X detector. Low-noise technology, high sampling frequency and efficient anti-aliasing filter provide highest quality recordings.
They can be used both in directional and omni-directional modes (with or without the directional horn).
The M500-384 is the ideal choice if you intend to use your smartphone for ultrasound recording. Also consider this model if you need to be independent of a specific OS or software. The software you choose to use must support recording at 384 kHz. Works with Android, Linux (Ubuntu), OS X, iOS or Windows. Please verify the hardware/software compatibility and that 384 kHz recording is supported. Certain smartphones/tablets – particularly low-end devices – have been found not to support USB audio at 384 kHz.
The M500-384 is of course compatible with the BatSound and BatSound Touch software. Some other recommended software for various operating systems include Audacity (Windows, macOS, Linux), Ultrasonic Analyzer (iOS) and Bat Recorder (Android). Please refer to the respective software manufacturer for information about the software features and the system requirements.
The M500 comes with a free ‘Lite’ version of the easy-to-use BatSound Touch recording program that saves the recordings as 16 bit wav files. Real-time display of the waveform and the spectrogram as well as real-time monitoring of the bat calls are also available. The program offers various triggering modes; manual and automatic, with or without pretrigger, level triggered or frequency triggered operation.
A 0.5 m USB (type-A to mini-B) cable is included. USB cables of type mini-B to micro-B/OTG and mini-B to USB-C, suitable for use with smartphones or tablets, can be purchased separately.
The picture shows the M500-384 with an Android smartphone, running the Bat Recorder app, available at Google Play. Please note that the smartphone and cable are only shown as reference. The smartphone is not included with the M500-384 and the supplied cable is a USB Mini-B/USB-A type.
M500 | M500-384 | |
---|---|---|
Weight | 60 g | |
Dimensions | 43 × 114 × 13 mm | |
Microphone | Advanced electret | |
Sampling Frequency | 500 kHz | 384 kHz |
ADC resolution | 16 bits | |
Frequency Range | 10 kHz – 210 kHz | 10 kHz – 160 kHz |
Interface | USB 2.0, high speed, OTG/host | USB 2.0, full speed, OTG/host |
Anti-aliasing Filter | 8th order, 210 kHz | 8th order, 160 kHz |
Real-time Monitoring | Through the PC sound card (down-sampling) | N/A |
Power | USB bus powered | |
Operating system | Windows 7, Windows 8, Windows 8.1, Windows 10, tablet, pc or laptop. | iOS or Windows, smartphone, tablet, pc or laptop |
$ 1,490.00 USD
Very popular heterodyne and time expansion detector with backlit, large digit, accurate digital display, showing the tuned frequency in the heterodyne mode. The frequency and volume controls are on the side of the case, making it easy to adjust. Using stereo headphones, the heterodyne signal is heard on the left channel and the time expansion signal on the right channel. When the built-in speaker is used, a switch is used to select the heterodyne or time expansion signal.
A digital recorder can be connected to the D240X to record the time expanded calls for analysis on a PC. If the recorder has a "voice activated" recording mode, a fully automatic bat recording system is obtained, which can be left in the field for unattended recording of bat calls.
A free demo version of BatSound is available for download by the link below. This evaluation version has limited functionality and a trial period of 30 days.
Download BatSound Demo
Detector de Ultrasonido D240X
Murciélagos, murciélago
$ 1,775.00 USD
The D500X is an ultrasound recording unit intended for long-term, unattended recording of bat calls. In contrast to time expansion bat detectors, the D500X records full-spectrum ultrasound in real time with virtually no gaps between recordings. The recorder is equipped with four slots for CF cards, which typically makes it possible to leave the unit in the field for more than a month. The triggering system allows the device to automatically start recording as a sound is detected.
The recording length can be selected in steps from 0.3 up to 20 seconds (or continuous in manual mode). In order not to fill the card too fast at locations with high activity, a minimum time between two recordings can be applied. The recorder is normally operated in a low-power mode with no pre-trigger (i.e. the recording starts as the sound exceeds the chosen threshold level), but both pre-and post-trigger functions are available in the standard (not low-power) mode. The D500X stores the bat calls in time stamped wav files.
The D500X comes in a rugged and weather-protected aluminium housing. A soft protection case with straps to hang the unit in e.g. a tree is included.
Various accessories are available, such as an external microphone with extension cable up to 100 m.
"I spent the past two weeks teaching back-to-back workshops that focused heavily on acoustics..... and (as always) the D500X out-performed all the other models combined in number and quality of calls. I think our students were mightily impressed and my mantra "you get what you pay for" has started to sink in. Nothing beats how easy and user friendly the D500X is to operate and how easy it is to post-process the calls and get on with the business of analysis. I'm hoping it will become the "go to" device for applications requiring the best sound quality available in a passive detector."
– Janet Tyburec, wildlife biologist and consultant, Tucson, AZ, USA.
$ 1,745.00 USD
The D500X Mk II is as easy to use and provides the same features as the classic D500X, with the following exceptions:
The D500X is an ultrasound recording unit intended for long-term, unattended recording of bat calls. In contrast to time expansion bat detectors, the D500X records full-spectrum ultrasound in real time with virtually no gaps between recordings. The recorder is equipped with four slots for CF cards, which typically makes it possible to leave the unit in the field for more than a month. The triggering system allows the device to automatically start recording as a sound is detected.
The recording length can be selected in steps from 0.3 up to 20 seconds (or continuous in manual mode). In order not to fill the card too fast at locations with high activity, a minimum time between two recordings can be applied. The recorder is normally operated in a low-power mode with no pre-trigger (i.e. the recording starts as the sound exceeds the chosen threshold level), but both pre-and post-trigger functions are available in the standard (not low-power) mode. The D500X stores the bat calls in time stamped wav files.
The D500X comes in a rugged and weather-protected aluminium housing. A soft protection case with straps to hang the unit in e.g. a tree is included.
Various accessories are available, such as microphone extension cables (up to 100 m).