Hi all,
So far we have:
5500Hz : 4207, 4945, 6047, 7699
6500Hz : 4980, 5848, 7137, 9094
7500Hz : 5744, 6752, 8249, 10511
8000Hz : 6140, 7196, 8808, 11217
8500Hz : 6509, 7644, 9346, 11909
Accordingly, we have formulas for different T frequency:
5500 to 6500
f1=0.773T - 44.5
f2=0.903T - 21.5...