[LAU] Playing with play-a-long tracks?

[Lorenzo Sutton]

On 04/01/13 18:25, Bruno Gola wrote:
> On Fri, Jan 4, 2013 at 3:04 PM, Josh Lawrence <hardbop200 at gmail.com> wrote:
>> They are setup so that bass and drums are on the L channel, and piano and
>> drums are on the R.  Since I play piano, I need only the L channel.  Is
>> there any way to "extract" only the L channel out of the recordings?  Once
>> that is done, can something be done to the result that would cause it to
>> sound in both R and L channels, like a true mono recording perhaps?  I can
>> easily turn the pan control on my mixer fully left, but that leaves a big
>> hole in the right side.
> I think you can use Audacity, there is a function there for splitting
> stereo to mono, then you just delete the R channel and export it as
> mono wav/mp3/whatever or just play it directly from audacity :)
You can also use play (from sox [1]) to play only one channel:

play stero_file.wav remix 1 #(for left channel)
play stero_file.wav remix 2 #(for right channel)

Lorenzo
[1] http://sox.sourceforge.net/