This recording contains the sound of 2 bats. The first is scanning at a constant and normal pace. The second bat locates and scans an insect (note the rapid and accelerating sequence of chirps). The speed of this recording is 4X slower than normal. There is a normal version of this sound (Bats - Insect Located - Normal Speed.wav). Recording chain: Audio Technica AT-3032 (microphones 120 degree Y config) - Sound Devices Mix Pre (Mic preamp) - Edirol R-09 (16 bit 44.1 kHz).
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