Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	44.375	975.0022750000002	1110.4187250000002	43.8625	44.8875	1.0250000000000057	20250411_093435UTC_V00OS11.WAV
U	40.843752	650.0022749999999	785.4187249999999	40.0875	41.600004000000006	1.512504000000007	20250411_093435UTC_V00OS11.WAV
D	42.15	162.50325000000032	1029.1677500000003	41.9875	42.3125	0.3250000000000028	20250411_093435UTC_V00OS11.WAV
O	54.675	176.0437250000002	284.37727500000017	54.275	55.075	0.7999999999999972	20250411_093435UTC_V00OS11.WAV
D	31.337504	13.542749999999842	1083.33225	30.987504	31.687504	0.7000000000000028	20250411_093435UTC_V00OS11.WAV
B	29.143752	0.0022750000003526	176.04372500000034	29.050002	29.237502	0.1875	20250411_093435UTC_V00OS11.WAV