[vorbis] c't listening test: Ogg problem at 128kbps

[Major A]

> It's caused by the lossless coupling at hi frqs and the effect is
> stronger if you listen the music with headphones. I don't know if
> it's possible to fix the problem without removing lossless coupling,
> but the problem should be addressed in some way, because most music
> this day have that kind of sound.

Do I get you (and the others) right, it has something to do with phase
errors between the left/right channels? That would make perfect sense.

> > If you like, I can put the reference file on the web (assuming it's
> > copyright-cleared, given that c't has distributed them to basically
> > anyone), so that you can try encoding and listening for yourself.
> 
> If you can, I'm curious to try.

Here it is:

  https://janus.phy.bris.ac.uk/referenz.wav

This is the uncompressed sample of about 20 seconds, compress and
uncompress as you wish...

  Andras

===========================================================================
Major Andras
    e-mail: andras at users.sourceforge.net
    www:    http://andras.webhop.org/
===========================================================================
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