======= On Thursday 17 May 2007, you wrote: ======= > 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@xxxxxx> wrote: > > > > Il giorno 16/mag/07, alle ore 09:22, Ken Restivo ha scritto: > > > > > -----BEGIN PGP SIGNED MESSAGE----- > > > Hash: SHA1 > > > > > > 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 > > > -----BEGIN PGP SIGNATURE----- > > > Version: GnuPG v1.4.1 (GNU/Linux) > > > > > > iD8DBQFGSrEme8HF+6xeOIcRAn/5AJ0ZXMAKlyaBinWnd5f/gjScxkojXwCfZ867 > > > 1n3py1Y2VYV9AjUO/ro3Njg= > > > =Pxto > > > -----END PGP SIGNATURE----- > > > > 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/ > > Probably, it isn't interesting already, but I'm the next with the issue (Core 2 Duo, Gentoo/~amd64). Have tried TAP Rotary Speaker just now. Aqualung and jack-rack were used as hosts with the same effect - silence with almost zero CPU eating. Andrew _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-user
