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New journals now that JASA isn't easily open source?

Now that JASA is changing its Open Access framework and pricing, do folks have other favorite journals for acoustically technical journals? Perhaps not as technical as IEEE, but perhaps a journal ...
etgriffiths's user avatar
  • 3,698
2 votes
1 answer
50 views

Cetacean clicks: species recognition

I'm trying to undestand at which species could belong these clicks. I attach the Raven Pro view. Could someone have an idea?
desiree5725's user avatar
2 votes
0 answers
35 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 ...
Anatoole's user avatar
  • 343
4 votes
1 answer
46 views

Help identifying a marine mammal from near Port Townsend, Washington, USA

The sighting is in this creative commons repo I am curating: https://huggingface.co/datasets/DORI-SRKW/DORI-Orcasound/blob/main/data/rpi-port-townsend_2020_05_18_12_31_31.flac The whistles start at ...
Bret's user avatar
  • 43
3 votes
0 answers
37 views

Need help finding a graduate level online course in sound propagation

I am currently based in Winnipeg, Manitoba (Canada) attending the University of Manitoba. Since my masters thesis is in the realm of marine mammal acoustics, I would like to take a course focused on ...
Cara Rankin's user avatar
3 votes
2 answers
57 views

Is dB SPL always RMS?

I'm kind of struggling with the many definitions of decibels. I understand that we can either measure the root-mean-square, or the 0-to-peak, or the peak-to-peak value. I also understand that dB SPL ...
lframond's user avatar
  • 1,056
3 votes
2 answers
59 views

Help! Really low values of underwater background noise, what happened?

I am working with underwater background noise/ambient noise in the eastern Atlantic Ocean using the package PAMGuide for R. My study has 32 sampling stations and it was conducted during 6 campaigns (...
Ana Sanz's user avatar
1 vote
0 answers
25 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 ...
Joselin Jocklingson's user avatar
2 votes
0 answers
23 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. ...
Maryann Watson's user avatar
2 votes
0 answers
17 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 ...
Dan Stowell's user avatar
  • 1,943
3 votes
2 answers
49 views

How do I shorten call selections to only contain the signal and not background noise using warbleR or ohun in R?

I have drawn >4000 selections on seabird chick call spectrograms in Raven with ~0.1 to 0.4 seconds on either side of the signal (a stipulation of the call parameter measurement software I was ...
Katrina W's user avatar
  • 173
4 votes
2 answers
72 views

Amplification gain of AudioMoth

For a while now, I have been trying to find specifications for the amplification gain of AudioMoth. As for the SM4 for example, one can find the exact dB declarations. If anyone can point me to that ...
Dominik's user avatar
  • 183
2 votes
0 answers
30 views

What frequency range does PAMGuard's click detector measure background noise?

I have been reading through the PAMGuard help files and was wondering over what frequency range does PAMGuard measure the background noise level in order to trigger a click detection? Does the measure ...
TPW's user avatar
  • 53
3 votes
1 answer
72 views

Detect 20 Hz Fin Whale Songs with PAMGuard

I want to use PAMGuard to detect 20 Hz fin whale vocalizations from audio files that I've created from low frequency (fs = 200 Hz) hydrophone data. I've figured out how to load the audio file and ...
Carla's user avatar
  • 33
4 votes
1 answer
49 views

Dataset of alarm calls with mutual excitation? (Hawkes process model)

I have learned about an interesting mathematical model for time series and I am curious to know if it can find an application in bioacoustics. The model is named "Hawkes process" and is a ...
lostanlen's user avatar
  • 433
2 votes
1 answer
31 views

Do any of the PAMGuard modules use towed array depth readings?

I am using PAMGuard to playback towed array data from DCLDE 2022 dataset. I used the array configuration dialog to import the DCLDE 2022 array file and see all 6 channels of data when I start PAMGuard ...
Katie's user avatar
  • 21
3 votes
1 answer
74 views

What's the "best" sound level meter available on the market?

I am thinking of purchasing a sound level meter to use for opportunistic measurements of shorebird vocalizations in the field this summer (Utqiagvik, Alaska). There are many options online, but I'm ...
MZiegenhorn's user avatar
2 votes
1 answer
44 views

How to concatenate files from SoundTrap ST600?

We set the OceanInstuments SoundTrap ST600 (Firmware 4.0.0.7, Offloader 1.52, MSP 1.36) to record continuously, with 30 min. files every 30 min. When downloading the data, we selected the "Zero ...
Jörg Rychen's user avatar
2 votes
1 answer
37 views

Raven Pro 1.6. - Date and time template issues for page sound

I'm trying to read in .flac audio files to Raven Pro in the format "20200712T085500.flac" which is 08:55:00 on the 12th of July, 2020. On the "Date and Time" tab on Raven Pro 1.6 ...
Kate's user avatar
  • 21
2 votes
1 answer
58 views

How to Translate Power Metrics in Raven Pro to Received Levels

I added in-band power and average power measurements to my selection table in Raven. I also have the end to end calculation of my instruments. To calculate the received levels, is it just a matter of ...
Melanie Smith's user avatar
2 votes
3 answers
84 views

Looking for a suitable hydrophone where data can be monitored remotely (does it exist?)

Methodology problem: If soundtrapping whales with an array of hydrophones that are set out for ~1 year underwater, is data collection purely physical? As in do you have to wait until the end of the ...
porpoiseful's user avatar
2 votes
1 answer
61 views

How does PAMGuard echo detector work?

I have sperm whales recordings and I would like to isolate clicks and their bottom and surface reflections. I first thought to run the echo detector associated with the click detector module but the ...
Patou's user avatar
  • 71
2 votes
1 answer
58 views

How does Raven paging deal with imperfectly continuous data?

I have sound files from a recorder that writes very near continously, but with very tiny 0.0192 s gaps between every 1-minute file. A single 60-sec file with a sample rate of 180 kHz should be ...
selene's user avatar
  • 3,525
3 votes
0 answers
36 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 ...
GANH's user avatar
  • 31
3 votes
2 answers
178 views

How to convert stereo audio files to mono?

I have multiple stereo .wav recordings which I want to convert into mono files for further analysis. Is there a way in RavenPro/R/Audacity to batch convert them to mono sound files (channel 1 or ...
indobatrachus's user avatar
2 votes
2 answers
43 views

Difference TFSD from seewave and scikit-maad

I noticed a difference in output when computing the TFSD using the seewave R package and the scikit-maad implementation in python. Is there any justification and is it possible to get the same result ...
Antoine Bernabeu's user avatar
2 votes
1 answer
55 views

Would a single collision of human vocal folds cause an audible sound?

If it were possible to only exhale enough air to cause a single collision, would that be audible?
thejuggler's user avatar
3 votes
1 answer
38 views

Hydrophone calibration in a tank vs open water?

I’m looking to calibrate some hydrophones (specifically SoundTrap 300HFs, but perhaps this applies more broadly). I’m aiming to compare the SoundTrap hydrophone with a reference one, roughly following ...
TPW's user avatar
  • 53
0 votes
0 answers
87 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 ...
Sue Anne Zollinger's user avatar
3 votes
2 answers
109 views

BirdNET Classifier Selection Tables

I have a custom classifier that I created with BirdNET to run on recordings of continuous data written into hour-long files. I'm realizing that in the current format, BirdNET will assign a separate ....
Alyssa's user avatar
  • 53
2 votes
1 answer
42 views

My data is not being stored in the SQLite database

I just finished processing an acoustic dataset from SoundTraps, and when I opened the SQLite database that I created, it appears blank for my Whistle and Moan detector, LTSA and Noise Band Monitor. ...
Esmeralda Lopez's user avatar
2 votes
1 answer
126 views

Is it possible to calculate the SPL of a sound from a wav audio file?

I recorded a frog's call at a distance of 1 m, with a Tascam DR40x recorder and its internal microphone. I want to know if there is a way to calculate what is the SPL in dB of that call or/and the ...
Carlos A. Flores's user avatar
3 votes
0 answers
39 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 ...
Rut's user avatar
  • 61
3 votes
1 answer
39 views

How to synchronize two independent soundtraps working as part of the same hydrophone array?

I am going to carry out a series of surveys in Peru for which I plan to tow two soundtraps inserted in the same towfish. They will be separated by approximately 50 cm so I want to use them to extract ...
Rut's user avatar
  • 61
1 vote
0 answers
33 views

How do I format EVO 256GB and 512 GB using the SoundTrap ST600 software?

When I put a new SD card in the soundtrap, the software gives me IO error i have try to format it according to the user's manual but when I insert this new card, the software doesn't react. This doesn'...
Mario Márquez Segovia's user avatar
4 votes
0 answers
61 views

PAMGuard not reading files

PAMguard is leaving quite a lot of files unproccesed. They are all in the same folder, but apparently it cannot access to some of them (image 1), and it appears to be in a random manner (image 2). We ...
Angaro's user avatar
  • 61
4 votes
3 answers
75 views

Which people/groups/departments are working on soil bioacoustics?

I am a new PhD student at the University of Liverpool working on developing bioacoustic monitoring of belowground invertebrates in savanna habitats. It would be great to know if there are any other ...
Jonny Timperley's user avatar
2 votes
0 answers
57 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 ...
Angaro's user avatar
  • 61
3 votes
0 answers
36 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 ...
Taza Schaming's user avatar
2 votes
2 answers
84 views

How to view continuous data in the DATA MAP of the PAMGuard Viewer, which were recorded at a rate of 1 minute every 10 minutes without the nodata set

I am analyzing 7 months of data, where a search will be made for acoustic signals of cetaceans using the PAMGuard and PAMGuard Viewer detectors. When loading data, which was recorded continuously at a ...
Felipe Penin's user avatar
3 votes
1 answer
52 views

How to adjust seewave spectro to account for hydrophone sensitivity?

I am using seewave's spectro() to generate a spectrogram from a hydrophone recording. My call is: ...
Tom Quigley's user avatar
1 vote
3 answers
178 views

BirdNET: workflow for correcting manually trained classifier?

I am using BirdNET GUI for analysis of bird vocalizations. I have created a classifier using the GUI and some training data, and I am wanting to improve it, e.g. correct false classifications and ...
Emma's user avatar
  • 11
2 votes
1 answer
63 views

PamGuard Click Train Detector is not colouring detected click trains

I have just started to do some tests in the PamGuard Click Train Detector. I ran some data from Riso’s dolphin that has a lot of click trains. For starting, I kept the default configuration for ...
Alex 's user avatar
  • 41
2 votes
2 answers
40 views

Can't reconcile amplitude from getRMS (soundgen) with output of meanspec (seewave) in R

I want to calculate the sound pressure level (in dB) of a wave and then display the mean power spectrum. The issue I face is that the SPL value I get from getRMS() is very different from the mean ...
Tom Quigley's user avatar
5 votes
2 answers
159 views

How to convert relative db to db SPL knowing microphone specifications?

Similarly to this discussion (Is it common to have a negative-positive dB range in underwater spectrograms?), I used the 'seewave' R package to plot the below spectrograms. I limited the coloured ...
Andrea's user avatar
  • 53
3 votes
1 answer
41 views

Does anyone know if there's a PAM data library for prawn/shrimp behavioural noises?

First stack exchange post ever, please excuse any breach of convention. Has anyone seen any PAM libraries containing noises from prawn (Penaeus Monodon specifically) or shrimps?
A Learning Prawn's user avatar
2 votes
1 answer
235 views

How do I use BirdNet without getting an error?

BirdNet is very new to me and I can't really find a guide online. I've installed it, and I've done the 'pip3 install pywebview gradio' to use the GUI version. Every time I've uploaded a recording and ...
user3253741's user avatar
2 votes
2 answers
77 views

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. ...
Park's user avatar
  • 21
3 votes
2 answers
66 views

Modeling PTS and TTS Distances for Pile Driving?

I was just wondering if anyone has any suggestions on how to find the auditory Permanent Threshold Shift (PTS) and Temporary Threshold Shift (TTS) ranges for Right whales. I know the source level for ...
Karianney's user avatar
3 votes
3 answers
83 views

Resources/courses for large PAM dataset- porpoises

I am working on extracting porpoise clicks from a multi-year dataset from the northeast pacific using PAMGuard's click detector. I am new to the software and have come across issues in detection using ...
EWood's user avatar
  • 31

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