Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	45.918752	352.0855000000002	514.5855000000001	44.587504	47.25	2.6624960000000044	20250411_030435UTC_V00OS11.WAV
T	47.418752	379.16677500000014	555.2082250000002	46.8375	48.000004	1.1625039999999984	20250411_030435UTC_V00OS11.WAV
T	54.943752	406.24772499999983	555.2062749999998	53.95000400000001	55.9375	1.987495999999993	20250411_030435UTC_V00OS11.WAV