Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	40.525	0.0	148.95627499999978	40.4125	40.6375	0.2249999999999943	20250412_042235UTC_V00OS11.WAV
"B"""	38.643752	0.0022750000003526	176.04372500000034	38.562502	38.725002	0.1624999999999943	20250412_042235UTC_V00OS11.WAV
C	51.475	0.0032500000000936	947.91775	51.275	51.675	0.4000000000000057	20250412_042235UTC_V00OS11.WAV