[theora-dev] Suggestions and questions
xiphmont at xiph.org
Tue Oct 8 20:41:42 PDT 2002
On Thu, Oct 03, 2002 at 10:16:29AM +0800, Colin Mckellar wrote:
> This is commonly called "2-pass VBR". It has not been done with vp3 to
> date, and it is a very uncommon thing with audio. The main problem with
> 2-pass VBR is that it generally takes about twice as long to encode any
> media file, as the encoder essentially has to encode it twice. That
> said, 2 pass VBR is very cool, and if it could be added, it would
> totally rock.
It also makes streamed encoding impossible. But more importantly, you
can put enough work into *really* *good* one-pass that achieves all
the goals of two-pass. There's just no need for two-pass these days.
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