[PlanetCCRMA] ecasound, ladspa, and tap equalizer

sara lidgey slidgey at yahoo.ca
Sun Sep 2 20:53:00 PDT 2007


Hi All,

I have a question regarding using ladspa plugins with ecasound, specifically the tap_equalizer plugin:

I'm using the ecasound control interface within a c program.  I have generated pink noise using the tap_pinknoise plugin and now I want to eq the noise with tap_equalizer.  The problem is I don't know what the parameters for the tap_equalizer are.  i can't find the documentation.
My code is below:

  //pink noise 
  eci_command("c-add pink1");
  eci_command("ai-add null");
  eci_command("ao-add jack_generic,pink1");
  eci_command("cop-add -el:tap_pinknoise");

  //pink noise eq
  eci_command("cop-add -el:tap_equalizer");
  eci_command("copp-select 7");
   eci_command_float_arg("copp-set",100);

I guessed at the parameter 7 and its value (100) and I do hear some difference so I know its there but I don't know exactly which parameter it is.  Is there a document for tap_equalizer that says "parameter 1 is band 1 gain, parameter 2 is band 1 frequency" etc?

Thanks a lot!

       
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