Quantifying bat call detection performance of humans and machines

摘要: Methods for detecting echolocation calls in field recordings of bats vary performance and influence the effective range a recording system. In experiments using synthetic from five species, human detection accuracy was 89.7±0.6%, compared to 76.3±0.8% model-based detector, 72.2±0.8% an energy-based 98.4±0.2% optimal linear detector. The detector 11 times faster than 110 humans. Human positively correlated with test duration (R2=0.43, P<0.05), meaning that higher achieved at expense slower performance. Species significant factor determining all detectors (P<0.001) because call bandwidth: Narrowband concentrated energy narrower frequency band were easier detect. For hypothetical system, 90% varied 10to35m among while dropped by approximately 20% automated ...