Questions tagged [analysis]
The analysis tag has no usage guidance.
34
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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
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191
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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 ...
- 11
3
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67
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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 ...
- 31
4
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1
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114
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Which software can batch calculate weighted SNR of recordings?
A way of assessing the quality of a sound recording in Audacity is to use 'ACX Check' found under Analyze to calculate an SNR value. 'ACX Check' is not intended for batch calculation of SNR for more ...
- 101
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What statistical method should I use to see whether a birdsong changed in the span of ~20 years
For my current research, I am trying to analyze a birdsong located on two islands. For ~20 years, it was considered as one species but two years ago they were split and considered as two. I wanted to ...
- 548
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51
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Advice on the best methods for quantifying high-medium SNR bird sounds
Related to my recent post, I am working on finding a way to 1) diagnose the presence of two kinds of specific bird sounds throughout my hundreds of hours of audio data, and perhaps to 2) analyze the ...
- 171
8
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220
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Software for calculating long-duration false-colour spectrogram?
I'd like to calculate a set of false colour spectrograms, from long-duration audio -- i.e. the type of visualisation introduced by Michael Towsey's research group at QUT, like this:
The QUT ...
- 1,943
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Mark Recapture Distance Sampling, estimating trackline detection probability p(0) for additional variables such as Beaufort Sea States
Shipboard line-transect distance sampling methods are commonly used to estimate populations of cetaceans. One of the assumptions of these methods is that all animals on the trackline are detected, but ...
12
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1
answer
194
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Preferred R code settings/packages for publication-level spectrograms
I need to include spectrograms in a manuscript and was wondering what peoples' preferred R packages/code settings/etc. were for high-quality spectrogram plots? I know there are a bunch of options in ...
- 3,390
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86
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Fuzzy clustering code for vocal repertoire analysis/classification?
I study a lemur species that has pretty graded calls, and it can be difficult to objectively draw the line between what is and is not a different call type. I've seen some recent work looking at fuzzy ...
- 3,390
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123
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Uncalibrated results and non-recognition of timestamp with Meta function of PAMGuide in R
I need to calculate calibrated soundscape metrics for 2 months continuous recordings made with SoundTraps HF600, so I thougth about using PAMGuide (Merchant et al. 2015). I've tried using the Meta ...
- 53
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140
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How to measure long-term dataset for soundscape AND impulsivity?
I have years of passive acoustic monitoring data collected on several full-bandwidth underwater noise recorders around windfarms. Given the volume of the data, I need to automate the analysis, and am ...
- 3,705
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66
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Echosounder setting off automated whistle detector in PAMGuard - Help!
I have underwater acoustic recordings and am interested in marking out dolphin whistles. I am currently having to manually remove an echosounder (which has a bit of a sweep to it), as I do not want my ...
- 3,705
13
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What is the purpose of overlapping windows in acoustic signal processing?
When reading the methods sections of bioacoustics papers, I often see a window length and % overlap reported in the description of how the spectral analysis was done.
What is the purpose of this?
...
- 3,705
14
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What animals can be individually identified through their vocalisations? And to what extent?
Like humans, many animals have unique voices through which we can identify them individually. This information is beneficial in non-invasive tracking, population/density estimation and much more. But ...
- 1,131