Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	8.4375	419.791775	798.958225	8.3125	8.5625	0.25	20250207_023850UTC_V00OS11.WAV
V	8.4375	419.791775	798.958225	8.325	8.55	0.2250000000000014	20250207_023850UTC_V00OS11.WAV