Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
"B"""	35.75	0.0022750000003526	176.04372500000034	35.6625	35.8375	0.1749999999999971	20250413_081035UTC_V00OS11.WAV
A	54.737504	67.70822499999986	216.66677499999983	54.362504	55.112504	0.75	20250413_081035UTC_V00OS11.WAV
D	54.918752	284.37175	1002.08225	54.700002	55.137502	0.4375	20250413_081035UTC_V00OS11.WAV
C	44.7	203.125	1015.625	44.425	44.975	0.5499999999999972	20250413_081035UTC_V00OS11.WAV