[Ardour-Users] [LAD] TAP EQ issues, revisited

Paul Davis paul at linuxaudiosystems.com
Sun Aug 5 09:35:30 PDT 2007

On Sun, 2007-08-05 at 03:09 +0100, Steven Chamberlain wrote:
> Hi,
> There was a thread on LAD two years ago, almost exactly, pointing out
> the denormal problems in TAP's EQ plugins:
> http://linuxaudio.org/pipermail/linux-audio-dev/2005-August/013367.html
> Unfortunately the problem was never fixed.  Many people are still having
> issues with 'TAP Equalizer' and 'TAP Equalizer/BW', as there are recent
> posts in ardour-users regarding spiralling CPU usage for DSP.
> I've been doing my best to debug and fix the problem, but now that I
> actually want to reproduce the problem, I can't! 

you'd better make sure you turn off Ardour's denormal protection if you
want to duplicate it. This was added to 2.0.3 IIRC.


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