Skip to main content

Questions tagged [pam]

Questions related to Passive Acoustic Monitoring of animals, by stationary recorders, recorders towed behind ships, or deployed on gliders or other moving platforms. Covers both practical issues of hardware and deployment and analysis of recordings. Does not apply to measurements on animal-borne recorders, as those should be covered by the [tag:biologging] tag.

4 votes
2 answers
78 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
1 answer
60 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
3 votes
2 answers
202 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
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
4 votes
3 answers
85 views

Very high frequency sounds in Northern France

community, We have in the North of France several recordings full of very high frequencies dolphin types sounds (like clicks, whistles, calls?, burst pulses. etc...) with almost all frequencies above ...
Marjolaine Caillat's user avatar
2 votes
1 answer
45 views

Rechargeable batteries for Song Meter mini

Looking for any recommendations on high quality rechargeable batteries that can be used in Song Meter minis? Looking for rechargeable batteries to last up to 10 days on 12 hour continuous recording ...
Jess Leaver's user avatar
8 votes
1 answer
346 views

What options are there for micro audio recorders?

I'm in the process of purchasing gear for this upcoming field season and am looking for audio recorder recommendations. I'm hoping to place ~30 small recorders in seabird rock crevices to record ...
Katrina W's user avatar
  • 173
5 votes
1 answer
595 views

Song Meter vs AudioMoth PAM performance

I'm assembling a PAM field kit for the upcoming breeding season in the temperate rainforest ecoregion of Washington, USA, and would love to learn about your experiences with different ARU (Autonomous ...
giojacuzzi's user avatar
7 votes
3 answers
246 views

Improving whistle detection rates in PAMGuard

I'm new to PAMGuard and have been trying to use it to detect whistles (of common & Atlantic white-sided dolphins) and I've been having issues with detection accuracy. I'm running the whistle and ...
Maia D'Souza's user avatar
4 votes
0 answers
39 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 ...
Maia D'Souza's user avatar
9 votes
3 answers
174 views

SoundTrap ST600 click detector for delphinids and porpoises

We are deploying a number of SoundTrap ST600s and are currently trying to determine the best parameters for the click detector. We are most likely to encounter Harbour Porpoise and Bottlenose Dolphins,...
EmmaL's user avatar
  • 737
5 votes
2 answers
125 views

High Frequency broadband sound at night in a recording - can I rule out biophonic sources?

I have conducted passive acoustic monitoring at a nature reserve (a wetland, near a city and two medium-sized roads). At night only, I have a strange source of sound that goes on and off every now and ...
Yael Lehnardt's user avatar
9 votes
4 answers
107 views

What are the longest-running wireless PAM surveys to date?

Most published studies in wireless passive acoustic monitoring (PAM) report an audio acquisition duration that is relatively short, from a few hours to a few months. That's what one would get by ...
lostanlen's user avatar
  • 433
6 votes
2 answers
54 views

Requesting your feedback on ideas regarding the utility of PAM devices

I am a master's student working on mixed-species bird flocks in the eastern Himalayan tropical forests. For some administrative and interpersonal reasons, our lab has ended up with a bunch (~25) of ...
akshay_birdwatch's user avatar
14 votes
2 answers
759 views

What is the difference Between Active Acoustics Monitoring (AAM) and Passive Acoustics Monitoring (PAM)?

Detection of animals through the bioacoustics method has been popularised lately. The key terms that we heard in bioacoustics research are PAM and AAM. What is the difference between PAM and AAM? ...
Sougata Sadhukhan's user avatar

15 30 50 per page