Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	40.925	0.0022750000003526	176.04372500000034	40.8375	41.0125	0.1749999999999971	20250409_205235UTC_V00OS11.WAV
O	53.675	27.083224999999715	135.41677499999972	53.3875	53.9625	0.5750000000000028	20250409_205235UTC_V00OS11.WAV
E	31.756248	203.12825000000004	947.91775	31.562498	31.949998	0.3875000000000028	20250409_205235UTC_V00OS11.WAV