Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	44.712504	189.58322500000017	338.54177500000014	44.375004	45.050004	0.6749999999999972	20250415_161635UTC_V00OS11.WAV
"B"""	49.006248	446.8727249999996	595.8312749999997	48.912498	49.099998	0.1875	20250415_161635UTC_V00OS11.WAV