Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
V	38.318752	839.5855000000004	1164.5855000000004	38.075002000000005	38.562502	0.4874999999999971	20250409_102235UTC_V00OS11.WAV
T	49.631248	487.5022749999998	622.9187249999998	48.937496	50.325	1.387504000000007	20250409_102235UTC_V00OS11.WAV
B	49.031248	0.0	189.5812750000001	48.949998	49.112498	0.1624999999999943	20250409_102235UTC_V00OS11.WAV