Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	13.843752	0.0	189.5812750000001	13.762502	13.925002	0.1625000000000014	20250419_155835UTC_V00OS11.WAV
D	4.137496	4455.20725	5172.91775	3.887496	4.387496	0.5	20250419_155835UTC_V00OS11.WAV