Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
C	40.875	81.24675000000025	1042.7072500000002	40.6375	41.1125	0.4749999999999943	20250410_040435UTC_V00OS11.WAV
F	47.756248	13.543725000000393	568.7522750000003	47.574998	47.937498	0.3624999999999971	20250410_040435UTC_V00OS11.WAV
D	44.456248	176.03949999999998	907.2895	44.287498	44.624998000000005	0.3375000000000057	20250410_040435UTC_V00OS11.WAV