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Posted

I've been wondering how the Quality Rating is computed? What weight is given to each metric that's scanned for.

 

The following to scans are two discs of the same ''home'' DVD-Video.

 

Note that the Quality Rating are exactly the same for both scans. The drive and discs were the same (the DW1655, YUDEN000T02).

 

D1 has lower PIE/C1 & PIF/C2 scores and D2 has a lower jitter score. Yet they both have a quality rating 98.97%.

 

244519.png

 

244520.png

Posted

I believe it's normally peak values of things - most of which are about the same in your scans.

 

Flash can tell you the real algorithm as I believe he made it up :)

Posted

Thanks guys.

 

I'd require a pretty basic explanation. I had only two math classes in high school and I took them twice. :huh:

 

Math ain't my forte. I know a helluva lot more about English history than I do algebra, let alone calculus and higher math.

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