Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	38.812496	284.37500000000017	446.87500000000017	37.937496	39.687496	1.75	20250417_180435UTC_V00OS11.WAV
P	32.6312504	311.45822499999974	460.4167749999997	31.9999984	33.2625024	1.2625040000000034	20250417_180435UTC_V00OS11.WAV