Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	44.418752	81.25	1137.5	44.237502	44.600002	0.3624999999999971	20250411_090435UTC_V00OS11.WAV
D	33.5	0.0	1083.33225	33.2625	33.7375	0.4749999999999943	20250411_090435UTC_V00OS11.WAV
D	55.056248	216.66449999999972	947.9144999999996	54.862498	55.249998	0.3875000000000028	20250411_090435UTC_V00OS11.WAV