Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
M	28.462504	27.08550000000035	148.96050000000037	28.075004	28.850004	0.7749999999999986	20250415_174635UTC_V00OS11.WAV
D	11.662496	2410.41775	3073.95725	11.474996	11.849996	0.375	20250415_174635UTC_V00OS11.WAV