[LAU] ABX test invite

Raffaele Morelli raffaele.morelli at gmail.com
Wed Apr 3 12:40:51 UTC 2013


2013/4/3 Peder Hedlund <peder at musikhuset.org>:
> Quoting Raffaele Morelli <raffaele.morelli at gmail.com>:
>>
>> 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.
>
>
>> 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
>
>
> Nice. So now we know that your transparency threshold is probably somewhere
> around -V5.
>
> If you feel like it you could try encoding the original to Opus and/or
> Vorbis and see if you'll do worse (since they're supposed to be better
> formats I doubt you'll do better :)

I am going to encode some wavepack files I have from a Radiohead album
(http://www.thekingoflimbs.com/ ) and try again with more trials
(~30).

Must add that I am using my old AKG121 headphones and not my audio speakers.

/r


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