Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	55.587504	81.2477249999998	270.8312749999998	55.462504	55.712504	0.25	20250412_094035UTC_V00OS11.WAV
V	52.281248	27.083225000000283	216.66677500000029	52.149998	52.412498	0.2625000000000028	20250412_094035UTC_V00OS11.WAV
"B"""	53.506248	473.9582249999999	622.9167749999999	53.424998	53.587498	0.1624999999999943	20250412_094035UTC_V00OS11.WAV
"B"""	46.9	460.4187250000002	609.3772750000003	46.8	47.0	0.2000000000000028	20250412_094035UTC_V00OS11.WAV