Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	48.075	0.0	771.8749999999998	48.0	48.150000000000006	0.1500000000000056	20250412_232235UTC_V00OS11.WAV
T	46.018752	487.4999999999999	609.3749999999999	45.5	46.537504	1.0375039999999984	20250412_232235UTC_V00OS11.WAV