Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	36.9	392.7105000000001	555.2105000000001	35.9875	37.8125	1.8250000000000028	20250420_064635UTC_V00OS11.WAV
T	12.143752	379.1645000000002	541.6645000000002	11.2	13.087504	1.887504	20250420_064635UTC_V00OS11.WAV
P'	41.118752	311.4605000000001	433.3355000000001	40.725002	41.512502	0.7874999999999943	20250420_064635UTC_V00OS11.WAV
T	44.031248	419.79372500000034	568.7522750000004	43.137496	44.925	1.7875039999999984	20250420_064635UTC_V00OS11.WAV
O	19.65	392.7082250000002	541.6667750000001	18.95	20.35	1.3999999999999986	20250420_064635UTC_V00OS11.WAV
T	19.643752	419.7894999999998	541.6644999999999	18.900004	20.3875	1.4874960000000002	20250420_064635UTC_V00OS11.WAV