Howto extract only one channel from a wav file ?

[Lowell Gilbert]

Jean-Jacques Dhenin <dhenin at ecp.fr> writes:

> Howto extract only one channel from a wav file ?
> 
> The left channel, for example, is very bad. 
> Howto get only the right one ? 
> 
> I dont find into xwave, sox, lame ... something for this use.

The sox manual says:

    The -f and -b options maintain left/right stereo separation; use
    the avg effect twice to select a single channel.