Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P	30.862504	81.25227499999977	216.66872499999977	30.412504	31.312504	0.8999999999999986	20250420_040435UTC_V00OS11.WAV
D	12.887496	5877.083225	6472.916775	12.599996	13.174995999999998	0.5749999999999993	20250420_040435UTC_V00OS11.WAV