Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	16.725	0.0	189.5812750000001	16.637500000000003	16.8125	0.1749999999999971	20250416_213435UTC_V00OS11.WAV
D	21.075	94.79274999999969	1083.3322499999997	20.85	21.3	0.4500000000000028	20250416_213435UTC_V00OS11.WAV