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. 2016 Jun 27;6:27103. doi: 10.1038/srep27103

Figure 2. Two basic types of antiphonal signals elicited from male O. tormota with combined FC noise exposures.

Figure 2

(A) A representative AS of CF-type, an unmodulated-frequency F0 of 6.9 kHz, at the SNR of 22 dB and noise level of 63 dB SPL. (B) A representative AS of FM-type, a mean F0 of 7.8 kHz, at the SNR of 12 dB and noise level of 73 dB SPL. (C) A representative AS of FM-type, upward and downward FM sweep, a mean F0 of 9.4 kHz, at the SNR of 22 dB and noise level of 63 dB SPL. Other data same as Fig. 1.