Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	42.143752	189.5854999999999	1042.7105	41.900002	42.387502	0.4874999999999971	20250414_083435UTC_V00OS11.WAV
"B"""	17.731248	0.0	189.5812750000001	17.649998	17.812498	0.1625000000000014	20250414_083435UTC_V00OS11.WAV