Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	46.537496	0.0022750000003526	176.04372500000034	46.449996	46.624996	0.1749999999999971	20250416_184635UTC_V00OS11.WAV
O	49.831248	94.79372500000004	243.75227500000005	49.537498	50.124998000000005	0.5875000000000057	20250416_184635UTC_V00OS11.WAV