[vorbis] An Analysis of the c't Codec Test

Giuliano Pochini pochini at shiny.it
Fri Oct 4 00:37:36 PDT 2002



Well, I couldn't find music that I could abx at
-q6 or above, and it is mainly due to the famous
loud trebles thing. You should provide us some
sound clips that vorbis clearly "fails" to encode
at high -q. We can imagine what you're hearing,
but it's quite useless :)).

<p>On 04-Oct-2002 Caleb wrote:
> I found a noticable difference between -q6 and -q8..
> everything below -q6 (i tested -q5.5 and -q4) had something wierd.
>
> as if there is something in the background.. if you compare -q6 with
> the cd version you can easly hear the difference even if you're deaf.
> So i mainly use -q8, although the file size is huge.
>
> I havent tested this with mp3s though.
>
> --- Monty <xiphmont at xiph.org> wrote:
>> > I don't have my logs anymore, as it was all purly personal testing
>> for
>> > myself and some friends, but the fact was there that I could
>> distinctly
>> > hear high freq' flange and "washy sound" in Vorbis up untill about
>> 7.00,
>> > although I admit you had to really listen hard to even tell, the
>> fact
>> > remains for my music that MP3 is just plain better still for file
>> size
>> > to sound quality ratio =/

<p>Bye.

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