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Table 1 Mean (±SD) values of call duration, number of calls and call F0, per phase and in the whole pant hoot, and the duration of each phase and the entire sequence

From: Trade-offs in the production of animal vocal sequences: insights from the structure of wild chimpanzee pant hoots

  Introduction Build-up Climax Let-down Entire pant hoot
Call duration (s) 0.48±0.31 0.21±0.07 0.57±0.24 0.20±0.04 0.37±0.27
Phase duration (s) 5.07±2.10 2.47±1.12 1.20±0.60 1.11±0.82 8.05±3.05
N calls 6.68±3.01 5.78±2.48 2.25±1.00 4.27±2.44 14.61±4.04
Call F0 (Hz) 400.04±180.30 302.17±92.81 1182.67±265.24 339.43±82.28 473.74±340.6