Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	36.931248	0.0	162.49999999999972	36.837498	37.024998	0.1875	20250414_002835UTC_V00OS11.WAV
D	55.181248	135.41775000000007	812.5032500000001	54.949998	55.412498	0.4625000000000057	20250414_002835UTC_V00OS11.WAV
D	43.25	108.3322499999997	866.6677499999997	43.075	43.425	0.3499999999999943	20250414_002835UTC_V00OS11.WAV