Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	52.587504	189.5855000000004	798.9605000000004	52.275004	52.900004	0.625	20250417_212835UTC_V00OS11.WAV
D	51.362496	81.24999999999983	812.4999999999998	51.087496	51.637496	0.5499999999999972	20250417_212835UTC_V00OS11.WAV
H	14.481248	2735.418725	3209.3772750000003	13.75	15.212496000000002	1.4624960000000016	20250417_212835UTC_V00OS11.WAV