Newest Questions
550 questions
1
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Sonobuoy disassembly: Is it worth it?
We've re-discovered a bunch of old Dowty Sonobuoys from 1990-1993. Before taking a much closer look, I wanted to gauge if it is worth trying to disassemble them to extract the hydrophone elements. I ...
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1
vote
0
answers
32
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BirdNET Custom classifier overfitting - how to improve?
I've been using the birdnet_analyzer.train function to train on a binary classification task (target vs other). In the 'other' category are a diverse range of sounds, some just random segments from ...
- 11
2
votes
1
answer
34
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Is there an easy way to convert XWAVs to WAV files?
I'm looking for a way to process HARP data in PAMGuard. That being said, the HARP files are in an XWAV format. There is header information that is stored in the XWAVs that would be useful to preserve ...
- 465
4
votes
1
answer
27
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Is it possible to edit the ROCCA whistle contours in PAMGuard Viewer?
I have finished analysing some files containing clicks and whistles from Bottlenose dolphins in the Mediterranean with PAMGuard. One of the modules I have used is the ROCCA Northeast Atlantic whistles ...
2
votes
1
answer
49
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Raven Pro: Why is the "Begin File" column ignored and all selections assigned to the first file?
I'm working with long recordings split into many .wav files (e.g., one file per hour). I created a single selection table that includes annotations merged from these multiple sound files. Each row has ...
- 73
2
votes
1
answer
85
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Research groups and labs working on Cetacean bioacoustic worldwide
I am looking for a (maybe) complete list of all the research groups and labs (accademia, university, private institutions, foundations) working on Cetacean's bioacoustic all over the world (except ...
2
votes
0
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44
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How to set recording cycle in PAMGuard
I have to process wav files data on PAMGUARD but I have some issues in setting the recording cycle of the device on PAMGUARD.I need to visualize the data properly and have the correct time stamp, ...
- 51
3
votes
1
answer
47
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Soundtrap PODs comparison in detecting Bottlenose Dolphins : click train detector in PAMGUARD advice
For my master thesis I am conducting a research regarding performance comparison of different passive acoustic devices codeployed in a single location for the detection of Bottlenose Dolphins. Within ...
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2
votes
1
answer
36
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Decimating data in MATLAB vs Triton - question about 'native' and data types
The MATLAB-based program Triton has tool to decimate data for analysis. We typically decimate the full frequency data (150 kHz+) down to 1 and/or 10 kHz to have better resolution to look for low-...
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0
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30
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Looking for audio files of rat ultrasonic vocalizations
I am looking for researchers who study the behavior and vocalizations of laboratory rats. We have recently released version 4.0 of UltraVox, a software tool that does automated call detection based on ...
0
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0
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23
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What is the best way to find coda types of sperm whale acoustic data?
I am working on identifying coda types using acoustic data from sperm whale clicks. Currently, I am using a Matlab tool from the paper "Automatic Detection and Annotation of Sperm WhaleCodas"...
2
votes
0
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19
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Delay in recording with Sylence recorder
I am a beginner with setting up hydrophones and I am currently using a Sylence LP-220 recorder paired with a Colmar GP1516MS-LP hydrophone to investigate soundscapes. During some test runs, I ...
- 21
2
votes
1
answer
42
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Can I use recordings from different devices to detect population structure?
I’m new to bioacoustic analyses. My goal is to determine whether the population genetic structure of the species I’m working with (an amphibian) is also reflected in its bioacoustics. When I started ...
- 21
5
votes
2
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59
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Band noises from PAMGuard versus Wenz curve in R
Good morning,
In my work, I am attempting to visualize a 1/3 octave band level extracted from PAMguard binary data on top of a Wenz curve plot with R. Do you know where I can find the exact values of ...
4
votes
2
answers
79
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Batteries for SoundTrap ST600
We are going to be deploying 6 ST600s in mid-April and are looking to purchase the recommended Panasonic 18650 batteries. They appear to be sold out nearly everywhere, with the exception of some sites ...
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