Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	40.6875	67.71050000000037	717.7105000000004	40.2375	41.1375	0.9000000000000057	20250305_010217UTC_V00OS11.WAV
D	47.168752	0.0	798.9572500000002	46.975002	47.362502	0.3875000000000028	20250305_010217UTC_V00OS11.WAV