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Birdsong Denoising Using Wavelets

Fig 8

Bird call examples of before, after filtering, after denoising using wavelets as described in the text, and after denoising and classical filtering.

(a) A whistle of a male North Island brown kiwi, (b) a call of female North Island brown kiwi, (c) a ruru trill, (d) a ruru more, (e) a kakapo booming, (f) a kakapo chinging, and (g) a less noisy example of male kiwi.

Fig 8

doi: https://doi.org/10.1371/journal.pone.0146790.g008