Timing mms of DDR X/X2/X3 for Stepmania

I apologized if this has been asked or confronted before. I would like to know the numbers to put in for Stepmania for the timing to be of the latest DDR AC, even if it's something close to it. I'm currently using Extreme's mms values and I don't think it's working well when I go to the arcade and play X3 :p.

Thanks.

Marvelous is 1/60 sec (16.666... ms), Perfect is 1/30 sec (33.333... ms), Great is 2/30 sec (66.666... ms), Good is 3/30 sec (100 ms), Boo is 4/30 sec (133.33... ms).

I think, anyway.

^ How sure are you? ;)

But I really appreciate this

It's the conversion from frame based timing. I don't know the exact frame numbers though.

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I'm pretty sure; I've tried these windows and they feel reasonably close to arcade DDR to me.

Alright, got it. Just one more question: How and where do I put these values into my Stepmania?

I've done this before, but I think it was 2 years ago since I've done it.

Edit: Just notice the timing values you've given me is the same as Extreme, which I doubt is the same as X3, but thanks anyways.

My understanding is that every window besides Marvelous has been the same since at least 3rd Mix, and Marvelous hasn't changed since Extreme.