Is FFT window length a neutral preprocessing choice in CNN-based dolphin whistle detection? A cross-domain sensitivity analysis.
Rocco De Marco, Massimiliano Iurcev, Alessio Trebbi, Serena Lagorio
This study evaluates the impact of FFT window length on CNN-based dolphin whistle detection across domains, finding that N_fft=256 outperforms others in cross-domain performance.
bioRxiv · Sep 8, 2026 · PreprintAnimal Behavior & Cognition