Acoustic sensors enable efficient and non-invasive monitoring of a wide range of species, including many that are difficult to monitor in other ways. Although they were initially limited in application scope largely due to cost and hardware constraints, the development of low-cost, open-source models like the Audiomoth in recent years has increased access immensely and opened up new avenues of research. For example, some teams are using them to identify illicit human activities through the detection of associated sounds, like gunshots, vehicles, or chainsaws (e.g. OpenEars).
With this relatively novel dimension of wildlife monitoring rapidly advancing in both marine and terrestrial systems, it is crucial that we identify and share information about the utility and constraints of these sensors to inform efforts. A recent study identified advancements in hardware and machine learning applications, as well as early development of acoustic biodiversity indicators, as factors facilitating progress in the field. In terms of limitations, the authors highlight insufficient reference sound libraries, a lack of open-source audio processing tools, and a need for standardization of survey and analysis protocols. They also stress the importance of collaboration in moving forward, which is precisely what this group will aim to facilitate.
If you're new to acoustic monitoring and want to get up to speed on the basics, check out these beginner's resources and conversations from across the WILDLABS platform:
Three Resources for Beginners:
- Listening to Nature: The Emerging Field of Bioacoustics, Adam Welz
- Ecoacoustics and Biodiversity Monitoring, RSEC Journal
- Monitoring Ecosystems through Sound: The Present and Future of Passive Acoustics, Ella Browning and Rory Gibb
Three Forum Threads for Beginners:
- AudioMoth user guide | Tessa Rhinehart
- Audiomoth and Natterjack Monitoring (UK) | Stuart Newson
- Help with analysing bat recordings from Audiomoth | Carlos Abrahams
Three Tutorials for Beginners:
- "How do I perform automated recordings of bird assemblages?" | Carlos Abrahams, Tech Tutors
- "How do I scale up acoustic surveys with Audiomoths and automated processing?" | Tessa Rhinehart, Tech Tutors
- Acoustic Monitoring | David Watson, Ruby Lee, Andy Hill, and Dimitri Ponirakis, Virtual Meetups
Want to know more about acoustic monitoring and learn from experts in the WILDLABS community? Jump into the discussion in our Acoustic Monitoring group!
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Video recording of workshop held in Madagascar + PDFs of slide, links to other resources & terrestrial PAM bibliography
13 June 2022
Acoustic pingers to reduce net entanglement of river dolphins, acoustic observatories for sperm whales, detectability of dolphin whistles, monitoring sperm whales through echolocation rates
11 June 2022
Julia Martínez Pardo et al., Published in Biological Conservation
4 June 2022
Microchip has just announced the 1 GHz SAMA7G54 single-core Arm Cortex-A7 microprocessor (MPU) with MIPI CSI-2 and parallel camera interfaces, as well as up to four I2S, one SPDIF transmitter and receiver, and a 4-...
3 June 2022
"A drone emitting orca sounds will be used in attempt to guide the animal, whose health is fast deteriorating"
1 June 2022
Couple of hot-off-the-press papers on different passive acoustic monitoring studies, including ones on manatees, coral reef fishes, woodpeckers, insects, and using ecoacoustic indices in marine soundscapes
29 May 2022
Article
Authors: Danielle I. Rappaport, Anshuman Swain, William F. Fagan, Ralph Dubayah, Douglas C. Morton
29 May 2022
We're proud to introduce the first WILDLABS On the Edge Fellows for 2022, Loretta Schindlerova and Meredith Palmer! Working alongside expert Edge Impulse mentors, these two fellows will use embedded machine learning to...
10 February 2022
Don't miss your chance to order the AudioMoth Underwater Case through GroupGets! This campaign is for a waterproof case designed specifically for AudioMoth version 1.2.0 (without the 3.5mm socket), and for use at depths...
11 January 2022
Article
Open Acoustic Devices have tested their new HydroMoth, an affordable marine acoustic tool that could open up new avenues for marine conservationists without budget for expensive hydrophones. Read the newly published...
5 January 2022
This article provides a review of deep learning (predominantly ML) used in marine ecology and considerations for its future directions in conservation. In plain language, the authors provide a methodology for training...
20 December 2021
The Monterey Bay Aquarium Research Institute has an extensive acoustic archive from underwater recordings and has made their valuable dataset available to researchers around the world via an open data registry on the...
5 November 2021
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Description | Activity | Replies | Groups | Updated |
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Acoustics, AI for Conservation, Biologging, Camera Traps, Community Base, Data management and processing tools, Drones, eDNA & Genomics, Emerging Tech, Open Source Solutions, Remote Sensing & GIS, Software and Mobile Apps | 1 year 8 months ago | |
I love the idea of increasing international collaboration and inclusion within acoustic monitoring! I think there particularly needs to be more collab'ing between the terrestrial... |
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Acoustics | 1 year 8 months ago | |
Hi there Camilo, What an interesting project! If you are looking for a lower cost, but effective tools for acoustic monitoring you might want to look into two options: ... |
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Acoustics, AI for Conservation, Data management and processing tools, Sensors, Software and Mobile Apps | 1 year 8 months ago | |
I have been waiting for journal club to come back!! 10000% down.I agree with @StephODonnell, would love it to come back!!! And now that variety hour is happening, that's more of... |
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Acoustics, Community Base | 1 year 8 months ago | |
Alex,which one of thosehttps://selectronix.co.uk/collections/waterproof-acoustic-vents would be the appropriate for the Audiomoth case?Agus |
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Acoustics | 1 year 9 months ago | |
Hey maya, If you're free - come along to our Variety Hour call next week and ask folks there too. We're keeping the last 10 mins open for people to jump up and put out calls... |
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Acoustics | 1 year 9 months ago | |
@Andrew_Hill I wonder if you could let us know more about the time keeping difference btw the regular AudioMoth and the HydroMoth (which is said to do better)? |
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Acoustics, Marine Conservation | 1 year 10 months ago | |
The Bioacoustics Stack Exchange has now made it past the private beta stage and onto public beta as of July 26! This means that the site... |
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Acoustics | 1 year 10 months ago | |
Good afternoon,My name is Maya and I am writing to you as an intern at 'Sounding Images', a Berlin-based production company https://www.... |
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Acoustics | 1 year 10 months ago | |
I don't know if this was resolved, but if you copy this code into a python file in the same folder as your .wav files and then run it, it should rename everything. Try testing it... |
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Acoustics | 1 year 10 months ago | |
The Bioacoustics Stack Exchange has reached the Beta stage and is LIVE! It is also in a critical... |
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Acoustics | 1 year 11 months ago | |
Hi just bringing this thread back up to attention: the bioacoustics stackexchange is now up and running in beta form, and could use as much participation as possible to ensure its... |
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Acoustics | 1 year 11 months ago |