[R] Independent component analysis with only one "source" of data

Uwe Ligges ligges at statistik.tu-dortmund.de
Tue Oct 18 11:27:22 CEST 2011



On 17.10.2011 21:59, Noah Silverman wrote:
> Hi,
>
> Looking at the fastICA library.  I want to test separating out different sounds from a recorded wav file.
>
> But, I only have a SINGLE stream of data (one channel wav.)  It appears as if the fastICA won't let me separate more sounds than I have columns in my data matrix.  is this correct?  If so, is there a work around that is commonly used?

No. You cannot get more independent signals as output than you have 
given as input.

Uwe Ligges


>
> Thanks.
>
> --
> Noah Silverman
> UCLA Department of Statistics
> 8117 Math Sciences Building
> Los Angeles, CA 90095
>
>
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>
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