[Vorbis] several questions

[Segher Boessenkool]

> First, I looked into the vorbis-$B*!(B-specific and was confused by the 
> floor1 algorithm.
> I think at last the aim is to derive the piecewise curve with the list 
> X and Y,then when encodering ,why not
> use the selected point orderly to get the curve ?   In other words, 
> the specific use the list of [0,128,64,32,96,16,48,80] ,
> why can not use [0,16,32,48,64,80,96,112,128] and encoder the diffence 
> between the Y and the previous Y  directly?

Because that way, more bits would be needed to encode
the same data.


Segher