[LAU] ABX test invite

[Ralf Mardorf]

On Wed, 2013-04-03 at 13:54 +0200, Raffaele Morelli wrote:
> 2013/4/3 Peder Hedlund <peder at musikhuset.org>:
> > In view of the recent debate regarding the alledged "crappiness" of MP3 I
> > thought it would be fun to see if the LAU society can tell lame (v3.99.4)
> > MP3s from the original.
> >
> > Everyone is invited to download the testfiles from
> > http://www.musikhuset.org/~peder/AxelF.zip , see if you can ABX them and
> > post the result.
> > There's one original WAV file and then 3 MP3s of various bitrates, which
> > have all been converted back to WAV.
> >
> > The 165 MP3 was created using "-V4", the 124 "-V6" and the 108 "-V8
> > --resample 44.1" (since it wanted to make a 24 kHz file otherwise).
> >
> > - Peder
> 
> Hi,
> 
> trials 10
> 
> against 165: correct 5, p-value 0.623
> against 124: correct 7, p-value 0.172
> against 108: correct 9, p-value 0.011
> 
> side effects: back to the '80 and doing the moonwalk B-)

Playing one file after the other using VLC -> Jack @ 48KHz -> HDSPe AIO
phones out -> AKG K 240 DF I didn't notice a difference for the audio
quality. _But_ the mix of the original wav for sure is nice for that
kind of music, but it isn't a high quality audio recording useful for
this test.