[MEncoder-users] vbitrate

[RC]

On Thu, 17 Jan 2008 13:38:21 +0100
karl-heinz-1950 at web.de wrote:

> 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.