Re: [SoX-users] Taking the left and right channels of two wav files and joining them into one stereo file

[Chris A. <ro...@gm...>]

On Mon, Jul 6, 2015 at 3:53 PM, fmiser <fm...@gm...> wrote:
>> > keghn wrote:
>> >
>> > sox infile.wav outfile_left.wav remix 1
>> > sox infile.wav outfile_right.wav remix 2
>
>> Erich wrote:
>>
>> RT wants it the other way round. What he's looking for
>> isn't called merge "effect", but merge "combining
>> method" (-M):
>>
>> sox -M in_left.wav in_right.wav out_stereo.mp3
>
> Except the input files are stereo.  And he wants the output
> channel 1 from channel 1 from one input file and output
> channel 2 from channel 2 from  the other input file.
>
> Two stereo files merged will create a four channel file which
> 'remix' can then take two of those channels to create the new
> two channel (stereo) output file.

Or alternatively, fold the two input files down to mono, and then
merge into one output file. But I'm curious: Can this be done with a
single sox invocation? There are times when I'd like to do this too.

ChrisA