[LAU] TAP and other LADSPA plugins cause... dead silence?

[Hector Centeno]

I have the same problem with the TAP plugins ad some other users have
reported too. It doesn't seem to be a problem with denormals since CPU
use remains low.

Hector


On 5/16/07, mAlessio <malessio at ale.it> wrote:
>
> Il giorno 16/mag/07, alle ore 09:22, Ken Restivo ha scritto:
>
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> > I've noticed a phenomenon many months ago: certain LADSPA plugins,
> > when I enable them, cause all audio to stop coming out of the
> > effects chain.
> >
> > This was a common problem with jack-rack. it got so annoying, I
> > stopped using jack-rack. The same plugins that would cause jack-
> > rack to go silent, worked fine in Ardour. So I started using Ardour
> > (0.99) instead for effects.
> >
> > Now, on a 64-bit dual-core Intel machine, I'm noticing the problem
> > even in Ardour (2.0.2). And in ecasound too, and jack-rack. If for
> > example I add the TAP Rotary Speaker plugin to any of Ardour2, jack-
> > rack, or ecasound, all audio stops. If I remove the TAP Rotary
> > Speaker, audio is fine.
> >
> > Why is this?
> >
> > - -ken
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> Have you noticed a heavy CPU load? In this case this is a well known
> (but unsolved) problem. Some plugins (TAP for sure) use some
> instruction that cause abnormal CPU load on moder PC.
>
> Take a look on the gray box at http://tap-plugins.sourceforge.net/
>
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>


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