Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
K	28.593752	744.7927499999998	1448.9572499999997	28.262502	28.925002000000003	0.6625000000000014	20250212_050850UTC_V00OS11.WAV
T	36.85	514.583225	704.166775	36.1625	37.5375	1.375	20250212_050850UTC_V00OS11.WAV