Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P	49.637504	325.0022750000004	460.41872500000034	49.012504	50.262504	1.25	20250423_110435UTC_V00OS11.WAV
O	49.65	311.45822499999974	460.4167749999997	49.0125	50.2875	1.2750000000000057	20250423_110435UTC_V00OS11.WAV
O	15.731248	284.37500000000017	446.87500000000017	15.487498	15.974998	0.4875000000000007	20250423_110435UTC_V00OS11.WAV
E	12.475	487.4977249999996	758.3312749999997	12.025	12.925	0.8999999999999986	20250423_110435UTC_V00OS11.WAV
O	40.3437504	270.83127500000023	446.8727250000002	40.0250004	40.6625004	0.6375000000000028	20250423_110435UTC_V00OS11.WAV