Questions tagged [terrestrial]
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13 questions
2
votes
2
answers
114
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How can I measure indisctict temporal(Pulse duration) properties of call?
I'm in my very first year of master's course and bioacoustic studies. My topic is the temporal/spectral structure of Rain call in Treefrog, which is poorly investigated for its function worldwide. ...
- 21
1
vote
1
answer
46
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What kind of cheap ultrasound speaker would you recommend for basic playback tests?
I'd like to test the sound response of some rodents to ultrasounds (~40-100 kHz), but my recording/playback devices (microphone, speaker, soundcard) are for human-hearing range.
Regarding speakers, ...
- 4,161
3
votes
1
answer
64
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Help identifying the species or group for this ultrasonic vocalization (a rat?)
I am reviewing some audio recorded with an Audiomoth a couple of weeks ago in Bolivia (south America). The target group was bats, but I found these vocalizations which are unlikely for a bat due to ...
- 95
8
votes
3
answers
94
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What is the threshold to distinguish a birdsong dialect?
I was wondering how researchers are able to establish that a geographic song variation in terrestrial birds is actually a song dialect.
What is the threshold of acoustic indices which could identify ...
- 548
9
votes
1
answer
1k
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Is it true that cats don't really meow at each other, but rather at humans as a way to communicate?
This is one of those little factoids that is tossed around a lot. Cats meow as a means to communicate with humans, and not really at each other. It's a fact passed around at parties or in pop sci ...
- 3,850
12
votes
3
answers
160
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Guidelines/Standards for terrestrial ecoacoustics studies
Can you provide useful resources about existing guidelines/standards (or even common practices) for terrestrial ecoacoustics studies (recording entire soundscapes, not specific taxa)? More ...
- 684
20
votes
6
answers
107
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Terrestrial & aquatic/marine collaborations in bioacoustics
Bioacoustics at present seems very split into two camps, terrestrial & marine/aquatic and it doesn't seem like there is as much collaboration between the two as there could be given the ...
- 3,398
11
votes
3
answers
79
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Existing research on using passive acoustics to monitor Pika or other small, vocal mammals?
I'm interested in using passive acoustics to monitor for the presence of pika (Ochotona spp.). I have found very few publications that consider pika vocalizations (none in the last decade), and none ...
- 221
10
votes
5
answers
80
views
Where do you put a terrestrial recorder if you have no freestanding structures to attach it to, and also can't put a stake in the ground?
I have a terrestrial acoustic monitoring situation that presents two challenges:
Acoustic monitoring is being conducted in an area with limited options for attaching the units (i.e., very few ...
- 1,054
9
votes
1
answer
140
views
Calculate noise exceedance levels - passive acoustic monitoring
I am trying to describe the acoustic environment at a nature reserve based on continuous passive acoustic monitoring. I am using calibrated SM4 (Wildlife acoustics).
KaleidoscopePro does provide batch ...
- 313
8
votes
1
answer
50
views
Differences in length of time Audiomoths record with same batteries/SD cards/settings?
I deployed 26 Audiomoths in my last field season and am just starting to organize the data. I've noticed that there seems to be a LOT of variation in the amount of time each device recorded - the ...
- 3,398
5
votes
1
answer
50
views
Simulating indoor/terrestrial sound propagation to test analysis workflows
I'm currently trying to analyse multi-channel audio recorded in a cave (reverberant conditions). I'd like to check how well my bat calls are being localized, and the extent to which reverberance ...
- 4,100
6
votes
2
answers
102
views
Packages to acoustically localise animals with microphone arrays
I'm looking to localise vocalising (terrestrial) animals (in my case bat calls) based on time-difference-of-arrivals with an open-source package (preferably written in an open-source language too).
...
- 4,100