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How Noise Threshold works in DMC Sampler?

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Cadu polycounter lvl 5
Beginning to study a little more about Adaptive DMC / DMC Sampler in vray. As I understand the noise threshold acts as a funnel of minimum and maximum values ​​of A. DMC. Looks like it is a mathematical relationship. Does anyone know exactly which values ​​are more correct to be used together?

The relationship that I noticed was:

Noise threshold = A. DMC (min subdivs / max subdivs)
1.0 = min 1 / max 2
0.1 = min 1 / max 4
0.05 = min 1 / max 8
0.02 = min 1 / max 16
0.005 = min 1 / max (close to 20)

These values ​​are correct or accurate? Is there any correlation table?

As always, thanks for the help.
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