Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P	48.7625	270.83127500000023	446.8727250000002	48.05	49.475	1.4249999999999972	20250412_065835UTC_V00OS11.WAV
H	48.7625	270.8332250000002	460.41677500000014	48.075	49.45	1.375	20250412_065835UTC_V00OS11.WAV
O	38.418752	243.74999999999983	446.87499999999983	37.9	38.937504	1.0375039999999984	20250412_065835UTC_V00OS11.WAV