#audiomoth — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #audiomoth, aggregated by home.social.
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Es gibt noch ein paar Plätze bei unserem #audiomoth Workshop diesen Sonntag in #Essen
From: @timaeus
https://nrw.social/@timaeus/115614637002768668 -
I've learned the hard way that there is an enormous difference between microSD cards in the amount of power they need. When it comes to putting audio recorders out in nature, that matters a lot.
As an example, I was just comparing my latest AudioMoth results with SanDisk Extreme 64GB cards compared with Samsung Pro Plus 128 GB cards last year.
In the same device, with the same dawn-dusk daytime recording settings, on the same three fully-charged Powerex rechargeable batteries, the Samsung card recorded for four days (11 GB) before flattening the batteries, while the SanDisk cards recorded for 12 days (44 GB) before the flattening the batteries.
Given that it takes a lot of time for me to get to these remote sites to deploy these recorders, this makes a big difference to how much data I get.
#AudioMoth #AudioRecorder #birds #BirdMonitoring #EcologicalMonitoring #SDcards #EcologyMethods
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I've learned the hard way that there is an enormous difference between microSD cards in the amount of power they need. When it comes to putting audio recorders out in nature, that matters a lot.
As an example, I was just comparing my latest AudioMoth results with SanDisk Extreme 64GB cards compared with Samsung Pro Plus 128 GB cards last year.
In the same device, with the same dawn-dusk daytime recording settings, on the same three fully-charged Powerex rechargeable batteries, the Samsung card recorded for four days (11 GB) before flattening the batteries, while the SanDisk cards recorded for 12 days (44 GB) before the flattening the batteries.
Given that it takes a lot of time for me to get to these remote sites to deploy these recorders, this makes a big difference to how much data I get.
#AudioMoth #AudioRecorder #birds #BirdMonitoring #EcologicalMonitoring #SDcards #EcologyMethods
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My Port Hills audio recorders seem to have detected a ruru (morepork) in Kennedy's Bush. This morning I listened to the sections of recording that BirdNet had identified with moderate certainty as being riflemen (no, these were baby korimako), pīpipi (no, these were a combination of riroriro and piwakawaka singing at once), and ruru. Surprisingly, the ruru seem to be ruru, just five detections in total over a 10 day stretch from Kennedy's Bush.
I've just posted them on #iNaturalist, where they're the first ruru from the Port Hills. I recently heard that someone had heard a ruru at Living Springs, and eBird has one record, without a recording, from Hackthorne Road from 2023. I'm not aware of any ruru in Kennedys Bush or elsewhere in the Port Hills.
It's promising, if true. Oddly, my owl was singing in the day time. Perhaps it's a young bird travelling.
Have a listen and please disagree if you know of another local bird that would make similar calls.
#birds #owls #nz #Ninox #ruru #moreport #Christchurch #BirdNet #AudioMoth #EcologicalMonitoring #AudioMonitoring
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My Port Hills audio recorders seem to have detected a ruru (morepork) in Kennedy's Bush. This morning I listened to the sections of recording that BirdNet had identified with moderate certainty as being riflemen (no, these were baby korimako), pīpipi (no, these were a combination of riroriro and piwakawaka singing at once), and ruru. Surprisingly, the ruru seem to be ruru, just five detections in total over a 10 day stretch from Kennedy's Bush.
I've just posted them on #iNaturalist, where they're the first ruru from the Port Hills. I recently heard that someone had heard a ruru at Living Springs, and eBird has one record, without a recording, from Hackthorne Road from 2023. I'm not aware of any ruru in Kennedys Bush or elsewhere in the Port Hills.
It's promising, if true. Oddly, my owl was singing in the day time. Perhaps it's a young bird travelling.
Have a listen and please disagree if you know of another local bird that would make similar calls.
#birds #owls #nz #Ninox #ruru #moreport #Christchurch #BirdNet #AudioMoth #EcologicalMonitoring #AudioMonitoring
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Anyone have experience recording 192k audio and then pitching it down to try and bring super high frequency stuff into human-audible range? Any traps? I could just do this in Audacity right?
I have an #Audiomoth to record with…
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Anyone have experience recording 192k audio and then pitching it down to try and bring super high frequency stuff into human-audible range? Any traps? I could just do this in Audacity right?
I have an #Audiomoth to record with…
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AVIF: The Avian Image Format - Humans have long admired the sound of birdsong, but to fully appreciate how techn... - https://hackaday.com/2025/07/29/avif-the-avian-image-format/ #digitalaudiohacks #ornithology #microphone #ultrasonic #audiomoth #birdcalls #birdsong #science #birds
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AVIF: The Avian Image Format - Humans have long admired the sound of birdsong, but to fully appreciate how techn... - https://hackaday.com/2025/07/29/avif-the-avian-image-format/ #digitalaudiohacks #ornithology #microphone #ultrasonic #audiomoth #birdcalls #birdsong #science #birds
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AudioMo for June 6th is this: The AudioMoth is in the greenhouse, recording the sounds of the day rather than the sunrise and sunset, and today it caught one of the several deluges we've had (as well as the neighbour who smokes and coughs outside regularly, even in the rain). https://music.bedlamsteps.uk/audiomo2025/6/ #audiomo #audiomoth
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For day one of AudioMo we came back from holiday yesterday, and I took my AudioMoth to record sunrise and sunset, of which more in the month. This is a bit from the sunset recording of a couple of days ago which captures the natural sound around our holiday lodge. https://music.bedlamsteps.uk/audiomo2025/1/ #AudioMo #Faircamp #AudioMoth
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I'm off to bed but my computer cranks on. It's using #BirdNet to ID all the bird songs recorded by our garden's #AudioMoth from the first half of the week, while an R script is hooked into AWS to transcribe the 772 geotagged audio notes I made today on my monthly 12 km run up from the city through Victoria Park and around the native forest on Sugarloaf peak.
Some parts of our crazy Big Tech timeline I'm OK with. 😄
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I'm off to bed but my computer cranks on. It's using #BirdNet to ID all the bird songs recorded by our garden's #AudioMoth from the first half of the week, while an R script is hooked into AWS to transcribe the 772 geotagged audio notes I made today on my monthly 12 km run up from the city through Victoria Park and around the native forest on Sugarloaf peak.
Some parts of our crazy Big Tech timeline I'm OK with. 😄
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Ich hab seit ein paar Wochen ein neues Mikrofon am Start - ein #audioMoth als live USB-Mikro - und einen #Spatzen-Schwarm - und ein #Waldkauz-Pärchen
mehr auf @tschilp -
I was puzzling over the weak seasonal pattern in the tauhou in my BirdNet graphs, since they're more common in the winter in our garden. I carefully checked my R code. Sure enough, I found an error on one line, where I'd added the BirdNet seconds onto the start time from the filename. Turns out adding seconds onto time is a bit slipperier in R than I'd thought.
Here are the greatly improved graphs (up to yesterday's recordings).
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I was puzzling over the weak seasonal pattern in the tauhou in my BirdNet graphs, since they're more common in the winter in our garden. I carefully checked my R code. Sure enough, I found an error on one line, where I'd added the BirdNet seconds onto the start time from the filename. Turns out adding seconds onto time is a bit slipperier in R than I'd thought.
Here are the greatly improved graphs (up to yesterday's recordings).
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@lightweight @yojimbo By the way, here’s what the unit looks like in our garden. It’s in a sistema case with a small hole by the microphone covered with a sound transparent water proof mesh sticker. It takes three AA batteries. I use some older rechargeable batteries which in the summer (longer days) I swap out and recharge every 4 days.
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@lightweight @yojimbo By the way, here’s what the unit looks like in our garden. It’s in a sistema case with a small hole by the microphone covered with a sound transparent water proof mesh sticker. It takes three AA batteries. I use some older rechargeable batteries which in the summer (longer days) I swap out and recharge every 4 days.
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@yojimbo @joncounts wow, very cool Jon! What's an #AudioMoth? And, if you're not familiar with it, sounds like the Cacophony Project might be up both your alleys... https://cacophony.org.nz and its bird song monitoring gear...
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@yojimbo @joncounts wow, very cool Jon! What's an #AudioMoth? And, if you're not familiar with it, sounds like the Cacophony Project might be up both your alleys... https://cacophony.org.nz and its bird song monitoring gear...
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Since June 2021 I've had an #AudioMoth constantly recording bird song in our garden from 2 hours before sunrise to 2 hours after sunset. Over the past months I've been using #BirdNet to identify all the bird species.
Today I've managed to spit out my first graphs. I'm excited to finally see results so wanted to share them. There's all sorts of things happening.
Next I'll be comparing these automated patterns with all the counts I make manually.
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Since June 2021 I've had an #AudioMoth constantly recording bird song in our garden from 2 hours before sunrise to 2 hours after sunset. Over the past months I've been using #BirdNet to identify all the bird species.
Today I've managed to spit out my first graphs. I'm excited to finally see results so wanted to share them. There's all sorts of things happening.
Next I'll be comparing these automated patterns with all the counts I make manually.
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"Counting breeding shorebirds using listening devices"
Wadertales excellent summary of a paper looking at using passive recording devices (audiomoths) and automatic detection to survey upland waders
https://wadertales.wordpress.com/2024/12/04/counting-breeding-shorebirds-using-listening-devices/
The paper - Acoustic detection rate can outperform traditional survey approaches in estimating relative densities of breeding waders
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"Counting breeding shorebirds using listening devices"
Wadertales excellent summary of a paper looking at using passive recording devices (audiomoths) and automatic detection to survey upland waders
https://wadertales.wordpress.com/2024/12/04/counting-breeding-shorebirds-using-listening-devices/
The paper - Acoustic detection rate can outperform traditional survey approaches in estimating relative densities of breeding waders
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Thinking about using passive bat detectors such as AudioMoth to detect rats on seabird islands...
Run Audiomoth on a Pi, and then use an open-source sound analyser to automatically analyse the previous night's recordings, and send an alert if a small mammal such as a rat is detected - for deployment on seabird islands, as a warnings system of a rat incursion.
With a decent solar power system and the whole lot nicely enclosed, this could be a great utility!
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Thinking about using passive bat detectors such as AudioMoth to detect rats on seabird islands...
Run Audiomoth on a Pi, and then use an open-source sound analyser to automatically analyse the previous night's recordings, and send an alert if a small mammal such as a rat is detected - for deployment on seabird islands, as a warnings system of a rat incursion.
With a decent solar power system and the whole lot nicely enclosed, this could be a great utility!
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https://soundcloud.com/zimpenfish/noisebox-001
Noisebox 001
Homemade noise box through a Zoom H4E piping through Frekvens running on an iPad Pro.
#ifttt #automated #soundcloud #audiomoth -
🦇 Today we deployed an AudioMoth bat detector in support of the 1st Southwest Summer Solstice Bat Survey: a community science program that empowers volunteers to collect acoustic data on the presence & diversity of bat species in AZ & NM!! https://www.batcon.org/
https://www.nabatmonitoring.org/
https://tucsonaudubon.org/#Bats #AudioMoth #Arizona #Wild #Outdoors #Nature #Naturalist #Conservation #Biodiversity #Environment #Ecosystem #Ecology #Species #ClimateChange #Tucson #SonoranDesert #Echolocation
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🦇 Today we deployed an AudioMoth bat detector in support of the 1st Southwest Summer Solstice Bat Survey: a community science program that empowers volunteers to collect acoustic data on the presence & diversity of bat species in AZ & NM!! https://www.batcon.org/
https://www.nabatmonitoring.org/
https://tucsonaudubon.org/#Bats #AudioMoth #Arizona #Wild #Outdoors #Nature #Naturalist #Conservation #Biodiversity #Environment #Ecosystem #Ecology #Species #ClimateChange #Tucson #SonoranDesert #Echolocation
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Treated myself to an #audiomoth
https://www.openacousticdevices.info/audiomoth
Already picked up a bat call!
🦇
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Treated myself to an #audiomoth
https://www.openacousticdevices.info/audiomoth
Already picked up a bat call!
🦇
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#Fledermaus-Horch-Eimer 12l-Baueimer mit Karabiner-Haken - gefüllt mit 40Ah-Blei-Batterie, 12V->5V-1,5A-USB-Adapter aus dem Autozubehör, #raspberrypi 4 mit #audiomoth -Ultraschall-Mikrofon bis 190 kHz - einfach unter die Decke zu hängen - bin mal gespannt, wer draußen so vorbeiflattern wird
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#Fledermaus-Horch-Eimer 12l-Baueimer mit Karabiner-Haken - gefüllt mit 40Ah-Blei-Batterie, 12V->5V-1,5A-USB-Adapter aus dem Autozubehör, #raspberrypi 4 mit #audiomoth -Ultraschall-Mikrofon bis 190 kHz - einfach unter die Decke zu hängen - bin mal gespannt, wer draußen so vorbeiflattern wird
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https://soundcloud.com/zimpenfish/great-spotted-woodpecker-angry-with-suet
Great spotted woodpecker angry with suet
Great spotted woodpecker lands, sounds off, scuttles towards the food, then gets angry at the offered suet and starts flinging it all over the place before flying off in a huff.
#ifttt #automated #soundcloud #audiomoth -
https://soundcloud.com/zimpenfish/dishwasher-via-the-audiomoth
Dishwasher via the Audiomoth
Audiomoth in waterproof case inside a dishwasher. Even on the lowest gain setting, it clipped wildly. This has been 50% gain reduced to try and avoid deafening people.
#ifttt #automated #soundcloud #audiomoth -
Even on the lowest gain, the noise inside a dishwasher during a washing cycle clipped the #Audiomoth microphone something terrible.
But an amusing experiment nonetheless!
Now I can ship the waterproof case up north to live in a pond for a month. -
#AudiomothApril is complete. 120 hours (well, 119 hours and 40 minutes because there's 5 seconds of silence every 30 minutes) of South East London early morning (0300-0700 BST).
Top 10 birds (at a 90% confidence) according to BirdNet (but I am suspicious of some of these given it sometimes identifies police sirens as tawny owls...):
+ Eurasian Wren
+ European Robin
+ Eurasian Blackbird
+ Eurasian Blue Tit
+ European Goldfinch
+ Eurasian Magpie
+ Common Wood-Pigeon
+ Great Tit
+ Redwing
+ Long-tailed Tit
https://soundcloud.com/zimpenfish/sets/audiomoth-april-2024
#Audiomoth #BirdNet #Birbs #BirdsAreNotReal -
Had the Audiomoth out last night first time in ages, not sure if it will detect anything but I remembered about it after an interesting discussion on using passive accoustic monitoring to detect rats on islands. You can also use it for NocMig (recording the calls of nocturnally migrating birds overnight) which I'd never thought of!
https://www.openacousticdevices.info/audiomoth
https://somersetbat.group/advice/which-bat-detector/audiomoth/
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Had the Audiomoth out last night first time in ages, not sure if it will detect anything but I remembered about it after an interesting discussion on using passive accoustic monitoring to detect rats on islands. You can also use it for NocMig (recording the calls of nocturnally migrating birds overnight) which I'd never thought of!
https://www.openacousticdevices.info/audiomoth
https://somersetbat.group/advice/which-bat-detector/audiomoth/
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When you're married to a scientist, sometimes your front lawn might look like this.
(My wife studies bird song and has just received some new GPS-enabled #AudioMoth audio recorders. The GPS can ensure high accuracy in the recorders' clocks, which should allow them to be used to triangulate exactly where a sound comes from, using the slight difference in arrival time of the same sound at different recorders. She's testing how well this works on our front lawn.)
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When you're married to a scientist, sometimes your front lawn might look like this.
(My wife studies bird song and has just received some new GPS-enabled #AudioMoth audio recorders. The GPS can ensure high accuracy in the recorders' clocks, which should allow them to be used to triangulate exactly where a sound comes from, using the slight difference in arrival time of the same sound at different recorders. She's testing how well this works on our front lawn.)
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Very cool development from #OpenAcousticDevices:
> Audiomoth GPS Sync allows AudioMoth to make audio recordings that are precisely synchronised against GPS time. It consists of custom device firmware that generates standard unsynchronised WAV files along with a custom CSV file containing synchronisation information. A desktop app uses these files to generate synchronised WAV files that are aligned with GPS time to better than 1 microsecond.
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@rspfau @dubh I'm storing the AudioMoth recordings for later use, as I do with an AudioMoth continuously recording in our garden. My wife's a bird audio specialist, and has pulled out some bird songs from other recordings I've made, using a combination of Kaleidoscope and a new machine learning system she's developed with a colleague. Still, in NZ there's not yet a big library of reference recordings to train on all NZ birds, so I'm waiting and storing.
#AudioMoth #AcoutistMonitoring
