Re: [SoX-users] Mac OS X beginner seeks support for SoX and scripting: splitting 2-channel .wav´s in two .mp3´s

[Jan S. <ha...@st...>]

On Jan 29 11:51:55, alf...@we... wrote:
> Hello,
> 
> I am new to Mac OS X and scripting.
> 
> I am recording talks as .WAV files with left channel speaker´s voice and 
> right channel translator´s voice.
> Once in a while I want to split the .WAVs into two .MP3s with same 
> filename but in folders ./speaker/*.MP3 and ./translation/*.MP3.
> I solved that for windows with a batch file, onto which I drag and drop 
> a set of files and the batch does the job (see batch below).
> 
> Now I need the same funcion on a Mac. I welcome any support to ease the 
> implementaton:
> - I have a folder with SoX for Mac OSX
> - A script seems to be the equivalent to the batch. Hints for an easy 
> start? Which scripting tool? How to call SoX? How to pass the files to 
> split?
> - I got a LAME-library libmp3lame.lylib from 
> http://www.thalictrum.com/en/products/lame.html. Will this work and 
> where do I place it?
> 
> Thanks
> Alfred
> 
> And here the windows batch file
> rem 
> ---------------------------------------------------------------------------------
> rem
> rem Batch to split 2-channel .wav´s into 2 .mp3´s
> rem Place this file in the same folder as sox.exe
> rem Drag and drop a selection of files onto the batch file.
> rem
> 
> cd %~dp0
> mkdir speaker
> FOR %%A IN (%*) DO sox %%A -C 48 "speaker/%%~nA.mp3" remix 1
> mkdir translation
> FOR %%A IN (%*) DO sox %%A -C 48 "translation/%%~nA.mp3" remix 2
> pause

mkdir -p speaker
mkdir -p translation
for i in *wav ; do
	sox $i speaker/${i%wav}mp3 remix 1
	sox $i translation/${i%wav}mp3 remix 2
done

If you are to work on a UNIX system,
you want to get familiar with scripting
in general. "man sh" is a good starting point.