Carlos Acedo wrote: > I'm trying to achieve DRC with surround51, I have the DRC configuration that > is in many webs/forums: > > pcm.ladcomp { > type plug > slave.pcm "ladcomp_compressor"; > } > > pcm.ladcomp_compressor { > type ladspa > slave.pcm "ladcomp_limiter"; > ... > } > > pcm.ladcomp_limiter { > type ladspa > slave.pcm "plughw:0,0"; > ... > } > > If I do a speaker-test -c 6 -D ladcomp -t wav I only hear front-left and > front-right Probably because "plughw:0" is a stereo device. > I have tried things like slave.pcm surround51 in fastLookaheadLimiter, and > many combinations, but I always end up with errors like the device is no > usable. Make sure that speaker-test works with surround51. It's likely that the device that implements surround51 does not support the float-point samples use by the LADSPA plugin, so you have to insert another conversion plugin; try using "plug:surround51:0" as slave. Regards, Clemens ------------------------------------------------------------------------------ The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE: Pinpoint memory and threading errors before they happen. Find and fix more than 250 security defects in the development cycle. Locate bottlenecks in serial and parallel code that limit performance. http://p.sf.net/sfu/intel-dev2devfeb _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user