Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P	39.668752	270.8354999999998	433.3354999999998	39.362502	39.975002	0.6124999999999972	20250415_165835UTC_V00OS11.WAV
"B"""	30.143752	0.0	189.5812750000001	30.062502	30.225002	0.1625000000000014	20250415_165835UTC_V00OS11.WAV