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Date:      Wed, 21 Mar 2012 07:25:11 -0400
From:      Rod Person <rodperson@rodperson.com>
To:        Polytropon <freebsd@edvax.de>
Cc:        FreeBSD Mailing List <freebsd-questions@freebsd.org>
Subject:   Re: Convert mp3 to audio CD
Message-ID:  <20120321072511.000023ec@unknown>
In-Reply-To: <20120321121624.d644f31e.freebsd@edvax.de>
References:  <4F694698.5080009@gmail.com> <20120321070740.000059cb@unknown> <20120321121624.d644f31e.freebsd@edvax.de>

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On Wed, 21 Mar 2012 12:16:24 +0100
Polytropon <freebsd@edvax.de> wrote:

> On Wed, 21 Mar 2012 07:07:40 -0400, Rod Person wrote:
> > On Tue, 20 Mar 2012 23:10:16 -0400
> > Steve Bertrand <steve.bertrand@gmail.com> wrote:
> > 
> > > I know this is a backwards request, as I haven't had to go from
> > > mp3 to audio CD format in at least 10 years, but I do now.
> > > 
> > > What is available to do so?
> > > 
> > 
> > Basically the same as other, but just using lame to convert a
> > directory full of mp3s
> > 
> > 
> > #!/bin/sh
> > 
> > for a in *
> > do
> >   OUTF=`echo "$a" | sed s/\.mp3/.wav/g`
> >   lame --decode -q 0 "$a" "$OUTF"
> > done
> 
> Just note that those *.wav files will have to be in the
> correct format (44.1 kHz two-channel 16 bit) and maybe
> require "byte order reversal" as well as stripping the
> WAV headers to record them as a music CD. It seems that
> some recording programs already contain this step. Refer
> to audio CD specifications for why pure WAV files don't
> make an audio CD.
> 

I've used this for years and never had an issues, but to accomplish
removing the header you would use the -t option along with --decode for
lame and -x does a bit swap, but not sure if that is the same byte order
reversal.





-- 

Rod Person  http://www.rodperson.com  rodperson@rodperson.com

'Silence is a fence around wisdom'



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