Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	50.281248	108.3322499999997	866.6677499999997	50.112498	50.449998	0.3375000000000057	20250409_082235UTC_V00OS11.WAV
"B"""	44.625	0.0	162.49999999999972	44.5375	44.7125	0.1749999999999971	20250409_082235UTC_V00OS11.WAV