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

[mAlessio]

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/