Anyone know the SM timing ratios?

[AsiNisiMasa]

In DWI they have that wierd colorful bar thing that allows you to set the actual timing in milliseconds. This helped me know what the difficulty was as compared to other versions I was used to playing. I set my timing judgement to 8 in stepmania when I made the transition, but I don't know how this compares to the arcade. Can anyone help me out?
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[Mark of the DMast]

this what you're looking for?
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"Is that a full moon? Yup"

[AsiNisiMasa]

That helps, thanks. I'd still like to know exactlty what the setting is for judge setting 8. But at least now I know it's harder than the arcade.
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[Slowpoke]

The point is, you don't HAVE to know what they are... just edit the ini file to set them to arcade specs and you can forget about whatever the pre-programmed judge difficulties are.