How to convert ogg files to mp3

[Dotan Cohen]

On 14/02/07, Michael A Peters <mpeters at mac.com> wrote:
> On Wed, 2007-02-14 at 14:16 +0100, Gérard Milmeister wrote:
> > On Wed, 2007-02-14 at 14:26 +0200, Dotan Cohen wrote:
>
> > >
> > > The quality won't be questionable- it will be terrible.
> > I did not try it, but there is no reason that the quality will be
> > terrible. There will be some reduction in quality, but it is certainly
> > not the case, that each conversion will reduce the quality by a constant
> > factor.
>
> You lose some quality with each transcode - but I agree, it is not
> terrible.
>
> I have some songs that went 128 aac (Apple DRM) to 192 lame vbr mp3.
> On a quality sound system, I can hear a slight loss. On my iPod, I can't
> tell.
>
> I went Apple .m4p to Audio CD (using iTunes) and then ripped to 192VBR
> with cdparanoia encoding with lame.
>

We're no audiophiles in my house, but both myself and my wife could
tell which file was the uncompressed wav and which was the
cd->mp3->ogg. An experiment with cd->ogg->mp3 which was not double
blind (as the first test was) yeilded similar results: we could both
tell. We were using Nine Inch Nails' The Downward Spiral album as the
test case. The ogg was quality 6 or 7, and the mp3 was 128 bps.

Note that the file was still playable, but the noticeable loss in
quality made listening to it frustrating, not entertaining.

Dotan Cohen

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