On Fri, Sep 21, 2012 at 11:18 AM, Julien Claassen <julien@mail.upb.de> wrote:
  I'm looking for a plugin - LADSPA preferred, but LV2 definitely acceptable - to generate a subharmonic.

SWH plugins has a subharmonic generator, not sure it'll get you exactly what you want, but probably worth playing with: http://plugin.org.uk/ladspa-swh/docs/ladspa-swh.html#tth_sEc2.33