Questions tagged [spectrogram-annotation]

Questions on annotating spectrograms

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17 votes
6 answers

Manual measurements of calls from spectrograms. Should I be concerned with accuracy?

I've been struggling to measure the duration of my field-recorded bat calls well (with decent amounts of reverberation). Manual measurements are common in my study field using spectrograms. Using a ...
  • 4,000
14 votes
1 answer

Annotate acoustic and visual events of a multimodal signal

Many species communicate using multimodal signals, and I study a bird species that emits a specific vocalization type associated with a typical body posture. Is there any software or package in R that ...
13 votes
5 answers

Are there conventions for describing the visual representation of sounds on a spectrogram (i.e. names for shape patterns)?

I have a growing set of bioacoustic recordings with accompanying spectrograms from marine animals in an online repository. Currently, the recordings can be searched based on the sound 'name' as ...
13 votes
5 answers

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 ...
  • 131
12 votes
2 answers

What criteria should be used to decide whether an automated detection overlaps with a reference annotation?

For those who use automated detection and routinely need to evaluate detector performance, what constitutes an overlap between an automated detection and a reference annotation? Most of my ...
11 votes
1 answer

Loose ID on soundscape recordings from Borneo

I'm doing some outreach and wanted to show some examples of what species can be ID'd from audio recordings. I've ID'd the Gibbon and a Bearded Pig (blue and red boxes ,respectively) + am getting some ...
6 votes
1 answer

How do you save manual annotations using the Spectrogram Annotation Module in PAMGuard?

I am trying to use the Spectrogram Annotation Module in PAMGuard (initially had this issue in v2.01.05 but was able to recreate in v2.02.01) to manually mark some harmonics that were incorrectly ...
  • 3,179
4 votes
2 answers

How to extract the timing and received level of spectrogram annotations manually marked in PAMguard?

I am using the Whistle and Moan Detector (WMD) in PAMGuard to count whistles in recordings of common dolphins to quantify the whistle activity in response to simulated sonar sounds. The whistle ...
  • 3,179