Hi CorBee,
The purpose of my developments is slightly different. I go to different people in France who study bats and they face hardware problems. Finance is becoming scarce and the equipment remains very expensive. Or, they have needs that do not exist such as accurate species monitoring. It is with this in mind that I started the development of detectors with the provision of a manufacturing files and setting up participatory workshops. In this context, I developed the following detectors:
- RhinoLogger to monitor the activity of the bands of Rhinolophus, mainly ferrumequinum. About 40 devices were built at several workshops and they equip sites in western and central France. With Passive Recorder, this device will now be used for this type of study.
- PiBatRecorder, a recorder for active Heterodyne listening and passive recording. Built with a Raspberry Pi A + card and an audio card the sampling frequency was only 192kHz. We built 12 copies before the audio card was no longer available. As a result this project is abandoned.
- Passive Recorder, based on the Teensy 3.6 card, offers up to 500kHz sampling frequency and, in addition to the classic passive recording, offers recording modes specific to the Vigie-Chiro project. About 55 copies exist today, at least 20 in Germany and 35 in France (the last 10 built yesterday during a workshop) and I still have 3 workshops of 10 copies planned by the end of April. Given the price (105 €), demand is strong. The main brake is to come to manufacture in the FabLab at Chemillé in Anjou (near Angers). Several projects are trying to carry out workshops elsewhere in France but, for the moment, only Frank has succeeded in Germany (naturalists are not technicians). I do not despair that some people, after participating in one of my workshops, can reproduce elsewhere.
- Bat Player, an ultrasound reader based on the Teensy 3.6 card. It allows replaying wav files recorded with other recorders. It is intended for debugging and verification of recorders, assisting with acoustic training or bat animations. 15 copies exist, 12 of which were made during a workshop and one by Frank in Germany. It is essential for the development of my detectors.
I have heard at least 1 copy of these devices but I do not use much, except for the development. They are mainly used by amateurs or professionals. Consequently, except for the RhinoLogger, they must respect the method used in France for the acoustic identification developed by Michel Barataud in his book "Ecologie acoustique" which is the bible in France for this type of study.
Regards,
Jean-Do.
The purpose of my developments is slightly different. I go to different people in France who study bats and they face hardware problems. Finance is becoming scarce and the equipment remains very expensive. Or, they have needs that do not exist such as accurate species monitoring. It is with this in mind that I started the development of detectors with the provision of a manufacturing files and setting up participatory workshops. In this context, I developed the following detectors:
- RhinoLogger to monitor the activity of the bands of Rhinolophus, mainly ferrumequinum. About 40 devices were built at several workshops and they equip sites in western and central France. With Passive Recorder, this device will now be used for this type of study.
- PiBatRecorder, a recorder for active Heterodyne listening and passive recording. Built with a Raspberry Pi A + card and an audio card the sampling frequency was only 192kHz. We built 12 copies before the audio card was no longer available. As a result this project is abandoned.
- Passive Recorder, based on the Teensy 3.6 card, offers up to 500kHz sampling frequency and, in addition to the classic passive recording, offers recording modes specific to the Vigie-Chiro project. About 55 copies exist today, at least 20 in Germany and 35 in France (the last 10 built yesterday during a workshop) and I still have 3 workshops of 10 copies planned by the end of April. Given the price (105 €), demand is strong. The main brake is to come to manufacture in the FabLab at Chemillé in Anjou (near Angers). Several projects are trying to carry out workshops elsewhere in France but, for the moment, only Frank has succeeded in Germany (naturalists are not technicians). I do not despair that some people, after participating in one of my workshops, can reproduce elsewhere.
- Bat Player, an ultrasound reader based on the Teensy 3.6 card. It allows replaying wav files recorded with other recorders. It is intended for debugging and verification of recorders, assisting with acoustic training or bat animations. 15 copies exist, 12 of which were made during a workshop and one by Frank in Germany. It is essential for the development of my detectors.
I have heard at least 1 copy of these devices but I do not use much, except for the development. They are mainly used by amateurs or professionals. Consequently, except for the RhinoLogger, they must respect the method used in France for the acoustic identification developed by Michel Barataud in his book "Ecologie acoustique" which is the bible in France for this type of study.
Regards,
Jean-Do.