Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	11.812496	487.49999999999966	690.6249999999997	11.387496	12.237496	0.8500000000000014	20250424_082235UTC_V00OS11.WAV
E	11.825	487.50227500000005	663.543725	11.425	12.225	0.8000000000000007	20250424_082235UTC_V00OS11.WAV
L	38.743752	94.7895000000002	419.7895000000002	38.487502	39.000002	0.5125000000000028	20250424_082235UTC_V00OS11.WAV
U	18.112496	920.831275	1096.8727250000002	17.487496	18.737496	1.25	20250424_082235UTC_V00OS11.WAV