Questions tagged [acoustic-indices]

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8 votes
3 answers

What is the threshold to distinguish a birdsong dialect?

I was wondering how researchers are able to establish that a geographic song variation in terrestrial birds is actually a song dialect. What is the threshold of acoustic indices which could identify ...
10 votes
3 answers

Which Acoustic Indices are useful for low-frequency recordings?

We are currently analysing soil recordings using Acoustic Indices, and applying Acoustic Complexity Index to the 0-2 kHz range (there is no useful signal above this upper limit). The Acoustic ...