Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	49.662504	230.21050000000008	514.5855000000001	49.025004	50.300004	1.2750000000000057	20250412_061035UTC_V00OS11.WAV
P	45.343752	270.8332250000002	460.41677500000014	44.525	46.162504000000006	1.637504000000007	20250412_061035UTC_V00OS11.WAV
O	45.337504	270.8355000000001	473.9605000000001	44.562504	46.112504	1.5499999999999972	20250412_061035UTC_V00OS11.WAV