Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	44.0	473.9582250000001	663.5417750000001	43.4875	44.5125	1.0250000000000057	20250411_012835UTC_V00OS11.WAV
P	48.4937504	243.75	365.625	47.9999984	48.9875024	0.9875040000000012	20250411_012835UTC_V00OS11.WAV
O	48.4875	230.2105000000004	352.0855000000004	48.0	48.975	0.9749999999999944	20250411_012835UTC_V00OS11.WAV
T	50.706248	460.4145	622.9145	49.925	51.487496	1.562495999999996	20250411_012835UTC_V00OS11.WAV