Unanswered Questions
28 questions with no answers
7
votes
0
answers
110
views
Error using split_acoustic_data() in R package ohun
INITIAL POST:
One of my first times here. I am trying to use a function called split_acoustic_data() in ohun, an R package for processing bioacoustic data. The process involves use of a class of ...
- 3,715
6
votes
0
answers
54
views
Ecoacoustics: Market Size and Major Private Players
Is there any literature or market report that summarizes the business opportunity for ecoacoustics as a field. Who are the major private tech companies who have solutions in this domain and what is ...
- 61
6
votes
0
answers
32
views
How do animals adapt to a partially or fully deaf individual of their group?
In eusocial animals for which hearing is important to communicate between individuals, is there any species apart humans for which there are some evidence that the group adapts their acoustic ...
- 4,161
5
votes
0
answers
49
views
how to describe temporal patterns of anthropogenic noise pollution - ama(), Ht(), and ...?
I'm looking into the effects of anthropogenic noise pollution from various sources on birds' behaviors. Human-induced sounds have different temporal patterns - broadly, from continuous to sparse in ...
- 313
5
votes
0
answers
73
views
How to apply calibration infromation to Triton generated LTSAs
Is it possible to apply single end-to-end calibration values or a transfer function to LTSA plots generated in Triton? The User Guide says that transfer functions are not applied to LTSAs but that a ...
CommunityBot
- 1
5
votes
0
answers
32
views
Question on true positives calculated in R package ohun
I am wondering if anyone has had success using the package ohun for energy-based detection and successful evaluation of their detection routines. I have used the ...
- 4,161
5
votes
0
answers
64
views
Setting Triton to Make LTSAs for Channel 1
How to set Triton to only work with channel 1 of my files?
I know a solution would be to split my files, but every time I try, Sox tells me the channels are unreadable and when I load the files into ...
- 4,161
4
votes
0
answers
14
views
Does anyone have experience with programming an Fpod to turn on when upside-down-vertical?
The Fpod works well when programmed to turn on at any angle.
But when it was programmed with the default settings, it:
Was detecting test taps while in the horizontal mode, when it should have been ...
- 181
4
votes
0
answers
41
views
Using Kaleidoscope Pro for delphinid whistle detection- how to improve detection rates?
We have 6+ years of continuous underwater recordings, in which we are currently trying to quantify whistle counts/activity. I have been trying to use Kaleidoscope Pro for whistle detection with signal ...
- 111
3
votes
0
answers
55
views
What is the origin of this underwater low-frequency upsweep signal?
I've been trying to identify underwater sounds recorded in the eastern North Atlantic Ocean, at a 500 Hz sampling rate. I observed this low-frequency upsweep that was only produced once, but it shows ...
- 4,161
3
votes
0
answers
27
views
Elephant ground-borne communication: which is the most important production method?
Elephants are documented to use ground-based (solid-based) communication.
A lot of research seems to focus on how these sounds can be perceived. But what is the most important method for them to ...
- 2,063
3
votes
0
answers
41
views
How to set frequency limits when using acoustic_complexity_index() from scikit-maad?
I have previously used R and the functions ACI() from seewave and acoustic_complexity() from soundecology to calculate the Acoustic Complexity Index (ACI). However, I am transitioning to using Python ...
- 31
3
votes
0
answers
57
views
How to get the distance to a sound source using a 2 channel hydrophone array (bearing)?
I am going to use a 2 channel hydrophone array during some boat surveys. I will be collecting GPS data as well and I heard that with the bearing and the change in location pamguard can estimate the ...
- 61
3
votes
0
answers
40
views
When I load multiple audio files and multiple sets of BirdNET generated selection tables into RavenPro they don't line up. How do i line them up?
When I load multiple audio files and multiple sets of associated BirdNET generated selection tables into RavenPro, they don't line up with each other. Only the first or last audio file and set of ...
3
votes
0
answers
56
views
Spectra Plus wav files not correct duration
I'm not sure if this is an issue with SpectraPlus or something else, but I heard others had similar problems with different software. I record with two hydrophones with a soundcard + monitoring it ...
- 31
2
votes
0
answers
67
views
Unknown underwater acoustic sound source
I often have to deal with spectrograms similar to the one below, I have some ideas as to what the different signatures might come from but I still have some doubts. Do you have any idea as to what ...
- 343
2
votes
0
answers
31
views
SoundGen Spectrogram gridlines
I'm making some spectrograms using the R SoundGen package but am getting a lot of extra grid lines on the image and can't seem to find a way to make them disappear.
...
2
votes
0
answers
77
views
PAMguard Database-PAMbinary data organisation
I have been proccessing data in PAMguard with the Whistle & Moan Detector and the Noiseband Monitor, and I have two templates depending on the 2 STs sensitivity (only 1 PAM sation).
I decided not ...
- 73
2
votes
0
answers
73
views
How to get rid of duplicated frequency values in Raven Pro?
I use Raven Pro for my sound analysis, and I wanted to measure the peak frequency of the syllables that I selected. You probably know that, the measurements are automatic, I select the measurements ...
2
votes
0
answers
72
views
Marantz PMD660 stuck on loading
My trusted Marantz PMD660 Solid state recorder recently developed a fault during a field trip in which it gets stuck on "Loading" when turned on with a CF Card inside. It starts fine without ...
- 4,161
1
vote
0
answers
29
views
scikit maad ACI
I noticed, regarding the ACI calculation in skicit maad , that it usually ranges between 300-500 while in other publications (with seewave or soundecology calculations) it ranges around to 1800.
Is ...
- 43
1
vote
0
answers
33
views
ADI and Hf results explanation
I have calculated spectral entropy Hf and ADI as well as BI, NDSI, AEI, ACI for one minute acoustic recordings for ~ two weeks (one week in March and one in April) with the default settings of scikit-...
- 43
1
vote
0
answers
21
views
Finding Species-specific Parameters for RIBBIT (opensoundscape)
I am trying to find waterfrog (Pelophylax) calls in my audiofiles. While using RIBBIT I need the following parameters:
signal band
noise band
pulse rate range (min/max)
number of samples per ...
- 4,161
1
vote
0
answers
31
views
Directional sounds device to be attached to legs of chickens and humans to communicate with them and attempt achieving better symbiosis
It is hard to communicate with a chicken. One form of communication could be making a sound to get the chicken to walk in a specific direction.
In each direction, objects could be placed to interact ...
1
vote
0
answers
35
views
Bioacoustics STEM Education Survey
I am a masters student in CWU's Primate Behavior & Ecology program. I am interested in Bioacoustics and STEM education. I've noticed there can be quite a learning curve for undergraduates who are ...
1
vote
0
answers
67
views
Impossible to extract the whistle contour on PAMGuard
It's impossible for me to extract the whistle contour with pamguard. I'm using ROCCA. I notice that the lowpass and highpass filters aren’t on all the spectrogram maybe it’s because of that ? Do you ...
- 4,161
0
votes
0
answers
34
views
Experiences with Song Meter SM4 versus Frontier Labs Bar-LT?
I love and appreciate the discussions and information available online about Bioacoustics, but there is almost no discussion about comparative value of hardware that is available.
Do people have ...
- 1
0
votes
0
answers
104
views
Are you a grad student working in Bioacoustics?
Applications now being accepted for the Graduate Summer Course in Bioacoustics, hosted again at The University of Southern Denmark. Many of the founders and members of this stack exchange have been ...
