Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	31.731248	81.25	731.25	31.499998	31.962498	0.4624999999999986	20250421_011635UTC_V00OS11.WAV
B	0.5312496	0.0022750000003526	176.04372500000034	0.4499996	0.6124996	0.1625	20250421_011635UTC_V00OS11.WAV