[Vorbis] What the difference between oggenc &

Ralph Giles giles at xiph.org
Tue Nov 21 09:17:36 PST 2006


On Tue, Nov 21, 2006 at 08:53:37AM +0100, Andrew Snare wrote:

> Now although I'm not aware of clear benchmarks in this area to
> ensure consistency, wouldn't this mean that the 'tunings' to the
> ogg encoders should not significantly affect the quality of playback,
> but rather result in higher data compression for the same perceptual
> quality?

This was the theory I think, but in actual practice Monty has 
improved things without shifting the scale. For example the '-1'
-q setting is an old '0'. So rather than reducing the bitrate at 
constant -q the reference encoder has improved quality at constant 
-q without changing bitrate much.

 -r


More information about the Vorbis mailing list