Figure 4
From: Temporal patterns in the soundscape of a Norwegian gateway to the Arctic

Spectrograms of five whale species detected in the acoustic dataset (all figures were obtained with Hanning window, fft size 4534 samples, and 50% overlap, with the exception of the fin whale which was done using an fft window size of 32,768 with 70% overlap, and the humpback whale with an fft window size of 8219 with 50% overlap).