Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
C	54.043752	135.41775000000018	798.9572500000002	53.962502	54.125002	0.1624999999999943	20250409_185235UTC_V00OS11.WAV
C	52.956248	3.410605131648481e-13	1056.2500000000005	52.812498000000005	53.099998	0.2874999999999943	20250409_185235UTC_V00OS11.WAV
D	52.956248	0.0	1083.33225	52.812498000000005	53.099998	0.2874999999999943	20250409_185235UTC_V00OS11.WAV
C	55.225	40.624999999999886	1056.25	54.9875	55.4625	0.4749999999999943	20250409_185235UTC_V00OS11.WAV