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. Author manuscript; available in PMC: 2012 Jun 27.
Published in final edited form as: J Acoust Soc Am. 2003 Aug;114(2):1120–1131. doi: 10.1121/1.1589754

FIG. 1.

FIG. 1

The top panel shows the time waveform of a series of E. fuscus vocalizations recorded in the laboratory. The bottom panel shows the spectrogram of this signal. Different stages of foraging are marked out. A is the approach phase, B1 is buzz1, B2 is buzz2, while C refers to the time of contact of the bat with the prey.