Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	49.706248	1.4210854715202006e-13	121.87500000000014	49.599998	49.812498000000005	0.2125000000000056	20250306_062017UTC_V00OS11.WAV
D	11.706248	121.87500000000016	812.5000000000002	11.549998	11.862498	0.3125	20250306_062017UTC_V00OS11.WAV
V	8.775	1123.958225	1476.0417749999997	8.65	8.9	0.25	20250306_062017UTC_V00OS11.WAV