Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	33.312496	311.4562750000001	487.49772500000006	32.699996000000006	33.924996	1.2249999999999943	20250419_191035UTC_V00OS11.WAV
A	44.3	270.8354999999998	433.3354999999998	44.0375	44.5625	0.5250000000000057	20250419_191035UTC_V00OS11.WAV