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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