Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
K	11.6	2017.7105	2667.7105	11.2625	11.9375	0.6750000000000007	20250421_192835UTC_V00OS11.WAV
D	25.256248	121.875	893.75	24.999998	25.512498	0.5125000000000028	20250421_192835UTC_V00OS11.WAV