Christopher Stamper skrev:
>
>
> On Thu, Feb 19, 2009 at 3:28 PM, Hartmut Noack <zettberlin@linuxuse.de
> <mailto:zettberlin@linuxuse.de>> wrote:
>
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>     Christopher Stamper schrieb:

>     > I know it's been asked before...
>     >
>     > Is there any real open-source pitch correction software for use
>     with Jack? I
>     > use Ardour,
>

I know you specifically asked about open source, but in case free as in
beer is ok there are a few vst plugins that seem to work under fst here:
http://freemusicsoftware.org/category/free-vst-effects-2/pitch-correction