WMV Variable or Constant

depends how you render. in Vegas, you can choose CBR or VBR as well as 1 or 2 pass, and you can manually select a min-max bitrate.

so i'm not sure what you're asking exactly....are you referring to one of your own videos, or someone elses?
 
Someone elses. I was wondering if you can tell if a video was encoded using one or the other. Perhaps a programs that lets you see that kind of metadata.
 
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