Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
V	6.118752	1299.9977250000004	1855.206275	5.837502	6.400002	0.5625	20250410_072835UTC_V00OS11.WAV
O	47.181248	270.8332250000002	460.41677500000014	46.4	47.962496	1.562495999999996	20250410_072835UTC_V00OS11.WAV
T	55.15	365.6272749999998	541.6687249999998	54.3	56.0	1.7000000000000028	20250410_072835UTC_V00OS11.WAV
B	36.731248	0.0022750000003526	176.04372500000034	36.649998	36.812498	0.1624999999999943	20250410_072835UTC_V00OS11.WAV