Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	15.018752	419.7895000000001	582.2895000000001	14.3125	15.725003999999998	1.4125039999999984	20250131_075050UTC_V00OS11.WAV
O	45.012496	27.085500000000195	230.2105000000002	44.699996	45.324996	0.625	20250131_075050UTC_V00OS11.WAV
O	41.937504	27.08127499999993	243.74772499999995	41.600004	42.275004	0.6749999999999972	20250131_075050UTC_V00OS11.WAV