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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| Description | Activity | Replies | Groups | Updated |
|---|---|---|---|---|
| Hi Carly, The recording + our notes is here: WILDLABS Virtual Meetup - Acoustic Monitoring We also keep an archive of all past meetups here: ... |
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Acoustics | 5 years 3 months ago | |
| Hi there I was wondering when this virtual meetup recording will be available? Thanks :) Axel |
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Acoustics | 5 years 4 months ago | |
| Hi Harold! Great to know you are in the domain. To be honest my analysis so far indicates that when conducting a DSP approach on the spectrum, smoothing via... |
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Acoustics | 5 years 4 months ago | |
| How can we learn more about your BEESWAX7 buzz identification and counting program, and discuss working together? |
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Acoustics | 5 years 5 months ago | |
| Hi David, I use cron-like patterns. One form looks something like: mon,wed-sun 0-23:0-59/10 90 which means every day but Tuesdays, every 10 minutes from... |
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Acoustics | 5 years 11 months ago | |
| Hi Shawn, I've only heard good things about LiFePO4. The only issue I can think of is exactly the one you bring up: the EMF is low enough that a 2S battery is needed... |
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Acoustics | 5 years 11 months ago | |
| So far we have been able to disambiguate between the flocks of two different species of small birds? Not easy. Our problem seems to be based around the fact that... |
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Acoustics | 5 years 11 months ago | |
| Hi Sam, have you tried the Clippy EM172 ? I was looking at this microphone on Raspberry Pi + PiSound, but it has an electret capsule and should then be powered... Thank you... |
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Acoustics | 5 years 11 months ago | |
| Hi Kev, thank you for contacting us. We are a non-profit, too. I very much welcome collabortion on this system. Shall we continue our discussion through email? Mine is jankees.... |
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Acoustics | 6 years 1 month ago | |
| Hi all, In order to help the development of bioacoustics methods in the UK, I've recently produced some draft guidance, focussed on... |
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Acoustics | 6 years 4 months ago | |
| Hi. I'm moving a topic to this thread from the camera trap thread since it's more relevant here. Discussion with Alasdair... |
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Acoustics | 6 years 5 months ago | |
| Hi Tessa. Thanks and also thanks for being so generous with your work :) Regarding the format, how do you all think if we have a single document and a wiki? I could... |
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Acoustics | 6 years 5 months ago |
