Audiolog
Audiolog is a low-cost, small and energy-saving acoustic recorder.
It has a wide range of application and is field ready for acoustic surveys of wildlife and biodiversity.
Audiolog is a perfect tool to carry out acoustic monitoring without altering the behaviour of the recorded wild animals.
Technical
- Low distortion digital MEMS microphone with 64dB signal-to-noise ratio and -26dB sensitivity
- Programable sampling frequencies from 10kHz up to 48kHz
- Embedded 3,3V 1800mAh rechargeable battery providing hundreds of hours of continuous recording (>200 hours @ 48kHz and >800 hours @ 10kHz). Autonomy can be extended with the use of external power bank
- Compatible with 512 Gb SD card (Native: 16 Gb)
Ergonomic
- Turnkey hardware: the Audiolog comes with a waterproof enclosure and its own embedded battery
- The dedicated GUI is intuitive and recording times and sampling rates can be program rapidly, even for several Audiolog in parallel
- The lithium battery is rechargeable through a USB-C port, so no need to buy and manage sets of batteries
- The Audiolog’s dimensions are 71mm*42mm*28mm.
Technology
Audiolog combines high-performance components:
(Native: 16 Gb)
User interface
A dedicated software is provided for programming several Audiologs over micro USB ports. It allows to configure the audio sampling frequency and the exact timings of audio recordings over one or more periods. The software can also be used to retrieve and organize output audio files in compressed or uncompressed .wav format.
Developed by researchers
Audiolog has been developped to address the specific needs of academics in the field of wildlife monitoring. To ease life on the field and provides useful material for studies.
Audiolog has been developped within a collaboration between ecologists at the CEFE (Centre for Functional and Evolutionary Ecology) laboratory and engineers at LIRMM (computer, robotics and microelectronics laboraory) in Montpellier.
Audiolog is the first of a complete family of product for wildlife monitoring. Future models are under development and includes ultrasound microphones, hydrophones, GPS and inertial sensors.
Our team
Simon Chamaillé-Jammes
Ecology researcher in the CNRS – CEFE laboratory
Laurent Latorre
Electronic researcher in the LIRMM laboratory
Julie Ezagouri – Larra
Ecology engineer in the Geoso Tech society
Manon Jouyaux
Ecology engineer in the Geoso Tech society
Paul Ivaldi
Project manager at SATT AxLR
The Audiolog Ambassador
His mission: test for you to guarantee the quality of use of Audiolog
Jules CHIFFARD
Non-permanent Researcher, CEFE – CNRS
The team has made a great effort to make this device super easy to program and set up, which bodes well. Since autonomy is a priori excellent, this system seems to me […] adapted to the needs of ornithology (but also non bat mammals, amphibians and others) […] because it allows to set up a real network. Its announced very low cost makes it available for use in participatory science.
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