[MEncoder-users] vbitrate

[karl-heinz-1950 at web.de]

> 
> > VIDEO:  [DX50]  512x384  24bpp  25.000 fps  750.0 kbps (91.5 kbyte/s)
> 
> > I assume that my bitrate here is 750. Having this information does it
> > make sens to set the vbitrate value to 5000, isn't anything above 750
> > a waste of space and computing time? 
> 
> No.  MPEG-2 is a different codec, and you're going to be increasing the
> resolution of the video, as well as significantly increasing the
> frequency of keyframes, etc.  A bitrate of 750 will look terrible,
> though you can probably use a bitrate somewhat lower than 5000.
> 
Hi,

is there some kind of conversion table/formula to find out the lowest bit rate which gives the same quality? 

Shall I keep the original resoultion and let my TV scale the video? What would be better?

Thanks,
 KH

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