Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	6.268752	176.04177499999986	311.45822499999986	5.737504	6.8	1.0624959999999994	20250421_185835UTC_V00OS11.WAV
P	46.912496	284.37499999999983	406.24999999999983	46.224996	47.599996	1.375	20250421_185835UTC_V00OS11.WAV
O	12.5	176.04177499999986	311.45822499999986	11.675	13.325	1.6499999999999986	20250421_185835UTC_V00OS11.WAV
O	38.675	230.20822500000028	419.79177500000026	38.3875	38.9625	0.5750000000000028	20250421_185835UTC_V00OS11.WAV