Questions tagged [methods]

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6 votes
2 answers
250 views

Raven Pro: how to display two different selection tables at the same time?

My first post here... Using BirdNET, I have created two selection tables, each at a different Confidence setting, for display in RavenPro. The source files are 48k, 2-channel, 16-bit signed .WAV. I ...
Stu Smith's user avatar
  • 221
13 votes
5 answers
555 views

How can I pair a scrolling spectrogram with high resolution video?

I’m looking for a way to review very high resolution video alongside a scrolling spectrogram of the associated audio track. Some DAWs that have spectrograms (Adobe Audition,Reaper) allow for ...
Marc D's user avatar
  • 131
14 votes
3 answers
224 views

Sustainable alternatives to sonobuoys?

Sonobuoys are expendable temporary hydrophones typically used by the military, but they can and are used for real-time tracking and localization of vocalizing marine animals. There are obvious ...
angie_zorka's user avatar
  • 2,809
28 votes
4 answers
145 views

Categories of Bioacoustics Software

Some of you may have seen Tessa Rhinehart great list of bioacoustics software https://github.com/rhine3/bioacoustics-software We're in the process of trying to turn this into an easier to use ...
Louis F-H's user avatar
  • 381
5 votes
1 answer
29 views

Methods to segment CF and FM components of a call?

I have single-channel recordings of horseshoe/rhinolophid bats which have call shapes with a 'tabletop' or 'staple-pin' shape. (See spectrogram below). The flat portion is the 'constant-frequency' ...
Thejasvi's user avatar
  • 4,070
13 votes
3 answers
61 views

Measurements to report when describing new animal vocalization

This may be slightly similar to this question and this one. I am in the process of describing a new marine animal vocalization (unknown species). Are there recommended call measurements to report when ...
angie_zorka's user avatar
  • 2,809
10 votes
3 answers
74 views

Distinguishing between types of recorder calibration

I have come across many terms to describe different types of recorder calibrations (e.g., end-to-end calibration, point calibration, factory calibration) and the whole topic of recorder calibration ...
Audrey Looby's user avatar
16 votes
2 answers
185 views

Data augmentation strategies for bioacoustics machine learning

When training a Neural Network for bioacoustics classification tasks I usually follow a data augmentation pipeline which is composed of: Changes in sound to noise ratio: for instance, if my sound ...
Benjamin Cretois's user avatar
12 votes
2 answers
114 views

Which methods /software/scripts can be used to time-align recordings from an acoustic array?

In the past, I used Osprey and I am aware of the script by Malinka et al., 2020. What other methods/scripts/software folks have used and would recommend? Here's some background on the dataset: I have ...
Julia Dombroski's user avatar
18 votes
2 answers
168 views

Can we measure distance from the animal harmonic calls?

Harmonic calls have a fundamental frequency (f0) and integral multiples of that frequency as harmonic frequencies. Since the lower frequency sound wave has a low attenuation rate and the higher ...
Sougata Sadhukhan's user avatar