Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	25.543752	176.04275000000035	880.2072500000004	25.312502	25.775002	0.4624999999999986	20250419_224035UTC_V00OS11.WAV
B	2.331248	13.53950000000009	176.0395000000001	2.237498	2.424998	0.1875	20250419_224035UTC_V00OS11.WAV
O	37.95	257.29177500000026	392.7082250000003	37.6625	38.2375	0.5750000000000028	20250419_224035UTC_V00OS11.WAV
O	18.112496	216.66449999999963	419.7894999999996	17.812496	18.412496	0.6000000000000014	20250419_224035UTC_V00OS11.WAV