[linux-audio-user] Re: Linux Vocoder (?)

Loki Davison loki.davison at gmail.com
Sun Jul 23 23:54:06 EDT 2006


On 7/24/06, Johan Mattsson <mayouan at isonews2.com> wrote:
> DCZX wrote:
> >> Does anyone know of a good vocoder app or plugin?
> >>
> Pieter Palmers wrote:
> > http://www.sirlab.de/linux/download_vocoder.html
>
> This is a nice program, but there is some problems with it, the stand
> alone application does not have support for JACK. It is desirable since
> JACK makes it a lot easier to plug a soft synths as formant. The LADSPA
> plugin could do this with inserted to a program (e.g AMS) but I wanted a
> more flexible approach so I thought it was a good idea using it with
> JACK-RACK. This is not possible because JACK-RACK assumes that every
> plugin has equally many input as output ports.
>
> I changed the LADSPA-plugin so it registers two outputports and therfore
> works with JACK-RACK.  Further more have I added some LADSPA_HINTS that
> suggests appropriate default values, however JACK-RACK seems not to be
> able to handle the controls in a proper way, but as far as I understand
> is my changes valid according to LADSPA specifications and the problem
> is in jack-rack.
>
> I guess it could be done with ecasound too, but i never got the
> parameters right.
>
> Here is the a patch for this, I admit it is not a very nice way of
> solving the problem but it works.
>
> Johan
http://www.nongnu.org/om-synth/
Very flexible ladspa host.
You could try using it in Om (in processes of being renamed ingen)

Loki


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