[prev in list] [next in list] [prev in thread] [next in thread] 

List:       vorbis
Subject:    Re: [Vorbis] several questions
From:       Segher Boessenkool <segher () kernel ! crashing ! org>
Date:       2005-09-27 22:28:26
Message-ID: 9f407d03c51cf9126fc0b6b8deb555b7 () kernel ! crashing ! org
[Download RAW message or body]

> 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

_______________________________________________
Vorbis mailing list
Vorbis@xiph.org
http://lists.xiph.org/mailman/listinfo/vorbis
[prev in list] [next in list] [prev in thread] [next in thread]