Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	47.693752	162.50325000000026	907.2927500000004	47.412502	47.975002	0.5625	20250414_221035UTC_V00OS11.WAV
O	29.0	13.539499999999949	257.2895	28.775	29.225	0.4500000000000028	20250414_221035UTC_V00OS11.WAV