[xiph-rtp] Chaining

[Ralph Giles]

On Tue, Aug 30, 2005 at 08:27:53AM -0700, Aaron Colwell wrote:

> You haven't mentioned what codecs your using right now. If you are using
> Theora and/or Speex you don't need to change the codebooks to change the rate.
> [...]
>                                                               Vorbis may not
> have this sort of flexibility. I'm not an expert, but I believe that this is
> what MikeS said on IRC.

That was my understanding as well. One cannot vary the blocksize or 
sample rate, so while it's probably possible to get a factor of two
or so in bitrate with quality loss at the edges, one can't scale 
Vorbis all that much without changing the codebooks.

 -r