[vorbis] Ogg Vorbis v1.1 suggestion

[Carsten Haese]

On Tue, 2003-11-25 at 15:36, Carsten Haese wrote:
> On the few files that I have in .wav here, I get quite respectable
> results with oggenc --advanced-encode-option lowpass_frequency=12
> --resample 32000 -b 40 -M 32. I have no idea how this stacks up against
> Real Audio since I don't have that available. Of course, the CPU hit is
> still there.

I'm starting to reply to myself, so I guess this'll be the last I have
to say about this topic. :)

I have downloaded Helix Producer Basic because I was curious how Real
Audio and Vorbis compare at 32kbps. (Actually, all my test clips in
Vorbis came in a bit under 30kbps). In comparing the two, it basically
comes down to which one you hate less. Real is muffled and warbly,
Vorbis is bright and tinny. I prefer tinny over warbly, but the choice
is kind of like deciding if you prefer being kicked in the groin or
being kicked in the face.

So, in summary, quality-wise I think Vorbis is already on par with Real,
and it can only get better with Vorbis 1.1. Speed-wise, Real wins hands
down by an overwhelming margin, and I don't know if Monty's plans
include any possibilities for speed-up. Considering that current VBR at
-q -1 is a bit over twice as slow as Real's 32kbps mode, I find it
unlikely that Vorbis 1.1 will beat Real's speed. However, since
processor power is steadily getting cheaper, I'm willing to believe that
many people would trade speed for quality.

-Carsten

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