Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
"B"""	29.831248	392.70627500000006	609.3727250000001	29.749998	29.912498000000003	0.1625000000000014	20250422_090435UTC_V00OS11.WAV
"B"""	1.693752	379.1667749999998	514.5832249999999	1.612502	1.775002	0.1625000000000001	20250422_090435UTC_V00OS11.WAV
U	53.275	744.7917749999999	961.458225	52.4875	54.0625	1.5750000000000028	20250422_090435UTC_V00OS11.WAV
"B"""	40.6	460.4187250000002	609.3772750000003	40.525	40.675	0.1500000000000056	20250422_090435UTC_V00OS11.WAV