Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
C	16.3625	270.8355	880.2105	16.1875	16.5375	0.3500000000000014	20250224_092050UTC_V00OS11.WAV
D	34.143752	176.04275000000035	1015.6282500000004	33.962502	34.325002	0.3624999999999971	20250224_092050UTC_V00OS11.WAV