Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
K	6.793752	2247.918725	2803.1272750000003	6.475002	7.112501999999999	0.6374999999999993	20250411_015235UTC_V00OS11.WAV
B	36.737504	0.0	162.49999999999972	36.650004	36.825004	0.1749999999999971	20250411_015235UTC_V00OS11.WAV
T	39.075	392.7105000000001	555.2105000000001	38.1625	39.9875	1.8250000000000028	20250411_015235UTC_V00OS11.WAV
D	46.781248	54.164499999999805	907.2895	46.612498	46.949998	0.3375000000000057	20250411_015235UTC_V00OS11.WAV