TABLE IV.

Feature measurements for the Phee/trill-class call types (mean ± std).

Feature	Phee Pop 1 (2246)	Phee Pop 2 (10 595)	Trill Pop 1 (1740)	Trill Pop 2 (547)	Trillphee Pop 1 (1528)	Trillphee Pop 2 (844)
Dur (s)	1.15 ± 0.50	1.21 ± 0.35	0.45 ± 0.16	0.47 ± 0.19	0.95 ± 0.31	1.09 ± 0.36
Fdom (kHz)	7.16 ± 0.48	7.16 ± 0.50	6.64 ± 0.82	6.66 ± 0.83	7.17 ± 0.53	7.43 ± 0.72
Fmin (kHz)	6.89 ± 0.43	6.83 ± 0.55	5.97 ± 0.86	5.99 ± 0.79	6.78 ± 0.55	7.01 ± 0.72
Fmax (kHz)	8.19 ± 0.75	8.14 ± 0.58	7.70 ± 0.91	7.78 ± 0.81	8.00 ± 0.53	8.30 ± 0.61
Tfmin	0.07 ± 0.22	0.07 ± 0.22	0.29 ± 0.39	0.27 ± 0.38	0.11 ± 0.29	0.19 ± 0.32
Tfmax	0.77 ± 0.24	0.82 ± 0.20	0.69 ± 0.27	0.71 ± 0.26	0.68 ± 0.30	0.66 ± 0.34
Fstart (kHz)	7.01 ± 0.50	6.95 ± 0.53	6.33 ± 0.91	6.34 ± 0.86	6.33 ± 0.91	6.34 ± 0.86
Fend (kHz)	7.81 ± 0.71	7.88 ± 0.63	6.96 ± 1.03	7.03 ± 1.01	6.96 ± 1.03	7.03 ± 1.01
FBW (kHz)	1.30 ± 0.60	1.30 ± 0.65	1.73 ± 0.89	1.79 ± 0.81	1.22 ± 0.55	1.29 ± 0.75
FMrate (Hz)	*	*	29.96 ± 5.38	29.69 ± 5.89	25.78 ± 5.94	32.17 ± 11.52
Max FMdepth (kHz)	*	*	0.92 ± 0.36	0.87 ± 0.42	0.42 ± 0.23	0.40 ± 0.40
FMdepth (kHz)	*	*	0.50 ± 0.18	0.49 ± 0.19	0.19 ± 0.09	0.09 ± 0.07
Ttrans (s)	*	*	*	*	0.40 ± 0.22	0.29 ± 0.24