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Old 20 June 2005, 08:45 pm   #4
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Join Date: Jul 2004
Posts: 372

First of all, this is an artificial tone with background hiss, nothing which can be found in classical music. Such artificial samples are no indication of anything regarding quality of codecs. Secondly, -80db is very, very low volume, and no audio track in the world comes anywhere near such a volume, so your claim that replaygaining a track could make such artifacts noticable is false. In any normal case you would not notice artifacts that Musepack, Vorbis or LAME produce on your sample. If you extremely amplify it, you can't expect much. All lossy codecs would produce artifacts on such a sample, which are often not noticable unless you highly amplify it.
Here is is an archive containing flac files converted from Musepack @ q7, Vorbis @ q7 and LAME @ extreme amplified by 48db:
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