Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	55.368752	446.8727249999997	717.7062749999998	54.875	55.862504	0.9875040000000012	20250412_234035UTC_V00OS11.WAV
V	53.831248	1665.627275	2044.793725	53.637498	54.024998	0.3875000000000028	20250412_234035UTC_V00OS11.WAV