Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P	23.012496	121.87272500000007	270.8312750000001	22.024996	23.999996	1.9750000000000012	20250307_115017UTC_V00OS11.WAV
D	19.45	5565.625	6500.0	19.1375	19.7625	0.625	20250307_115017UTC_V00OS11.WAV