[vorbis-dev] Serious, inacceptable artefacts with Ogg Vorbis
Michael Noisternig
michael.noisternig at sbg.ac.at
Tue Sep 17 16:37:26 PDT 2002
> I assume c't sent .wav files pre-decompressed? Are you using any
> playback postprocessing (like a 'spatial expander')? The last time we
> got a report like this, it turned out that the person involved
> accidentally turned on 'stereo enhancement' on their amplifier, and it
> mangled the decompressed playback (as Vorbis pulls stereo tricks that
> badly confused the strereo 'enhancement' algorithm).
Something comes into my mind. I open my player and listen to the sample
again. And I don't notice *that* strong artefacts anymore. I open the
sound control panel and active 'stereo enhancement' and listen again,
and there are these terrible artefacts again. Oh no!, now I remember,
that I played around with some sound card settings about the time I
participated in the listening test! What a stupid mistake! I feel so
ashamed.
Yet these artefacts are still noticable, and I still wouldn't place Ogg
better than WMA, MP3Pro and AAC because of them.
Almost not daring to speak anymore, maybe you could reduce those stereo
tricks a bit?
> Monty
Thanks, Monty!
<p>--- >8 ----
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