Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	42.306248	392.7082250000002	541.6667750000001	41.45	43.162496	1.7124960000000016	20250421_125235UTC_V00OS11.WAV
T	24.5312496	501.043725	650.002275	24.0000016	25.0624976	1.062496000000003	20250421_125235UTC_V00OS11.WAV
O	52.925	257.2894999999999	419.7894999999999	52.5	53.35	0.8499999999999943	20250421_125235UTC_V00OS11.WAV
T	49.293752	446.875	568.75	48.550004	50.0375	1.487495999999993	20250421_125235UTC_V00OS11.WAV