Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
G	4.081248	4807.293725	4996.877275	3.587496	4.575	0.987504	20250417_015235UTC_V00OS11.WAV
"B"""	2.118752	40.62825000000032	947.9177500000004	2.012502	2.2250020000000004	0.2125000000000003	20250417_015235UTC_V00OS11.WAV