man, I should have read this more closely. I copied it from the xvid homepage. 
that should be corrected.

On Saturday 25 November 2006 16:28, Giovanni Venturi wrote:
> Hello,
> I was trying to translate this sentence:
>
> "XviD features MPEG-4 Advanced Simple Profile features such as b-frames,
> global and quarter pixel motion compensation, lumi masking, trellis
> quantization, and H.263, MPEG and custom quantization matrices."
>
> but I've got trouble. Can someone help me? I see 2 times "features" and
> the "Advanced Simple"... Is it simple or advanced?
> "lumi masking, trellis
> quantization"...
>
> 'lumi' an 'trellis' has to be translated?
> Giovanni