Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	41.7	54.16449999999965	176.03949999999963	41.2625	42.1375	0.875	20250412_084035UTC_V00OS11.WAV
D	50.362496	121.8717500000002	1002.0822500000002	50.199996	50.524996	0.3250000000000028	20250412_084035UTC_V00OS11.WAV
E	54.9	473.958225	744.791775	54.475	55.325	0.8499999999999943	20250412_084035UTC_V00OS11.WAV