Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	33.543752	0.0	189.5812750000001	33.462502	33.625001999999995	0.1624999999999943	20250417_161635UTC_V00OS11.WAV
A	53.775	4116.666775	4495.833225	53.4625	54.0875	0.625	20250417_161635UTC_V00OS11.WAV