Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	44.7	4698.95725	5741.6677500000005	44.462500000000006	44.9375	0.4749999999999943	20250409_132235UTC_V00OS11.WAV
M	37.343752	27.08550000000035	148.96050000000037	36.950002000000005	37.737502	0.7874999999999943	20250409_132235UTC_V00OS11.WAV