Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
"B"""	33.937504	0.0	189.5812750000001	33.825004	34.050003999999994	0.2249999999999943	20250408_081035UTC_V00OS11.WAV
B	33.937504	0.0022750000003526	176.04372500000034	33.850004	34.025004	0.1749999999999971	20250408_081035UTC_V00OS11.WAV