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Figure 4


Fig. 4. Experiment 2 (echolocation): influence of the roving level on signal classification. Classification of the same filtered echoes by the same bats as in Fig. 3, but here plotted as a function of echo level. (A,B) Control signals (±6 dB/octave, white-noise background). (C,D) Test signals (white noise: ±1.2 and 3.6 dB/octave, pink noise: ±1.2, 3.6 and 6.0 dB/octave). Numbers above the data points give the number of trials.





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