Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	18.562496	406.25227500000005	541.6687250000001	17.649995999999998	19.474996	1.8250000000000028	20250422_063435UTC_V00OS11.WAV
T	46.862504	433.3355000000004	555.2105000000004	46.187504	47.537504	1.3499999999999943	20250422_063435UTC_V00OS11.WAV