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Fig. 7. Oscillogram (top) and sonagram (bottom) of a typical echolocation call of Glossophaga soricina and two echoes of the flower Markea neurantha (achieved by FIR-filtering the call with the impulse response at 0° and -30°). Sonagram parameters: window size (N); frame size (F); window overlap (O); window: flattop (FLT); resulting bandwidth (BW); software: SASLAB Pro 4.2; Avisoft.