noise.h

Audacity是一款用於錄音和編輯聲音的、免費的開放源碼軟體。它可以執行於Mac OS X、Microsoft Windows、GNU/Linux和其它作業系統

/**********************************************************************

  Audacity: A Digital Audio Editor

  Noise.h

  Dominic Mazzoni
  
  An effect for the "Generator" menu to add white noise.

**********************************************************************/

#ifndef __AUDACITY_EFFECT_NOISE__
#define __AUDACITY_EFFECT_NOISE__

#include <wx/defs.h>
#include <wx/intl.h>

#include "Effect.h"

class EffectNoise:public Effect {

 public:
   EffectNoise() {}

   virtual wxString GetEffectName() {
      return wxString(_("White Noise"));
   }

   virtual wxString GetEffectDescription() { 
      return wxString::Format(_("Applied effect: Generate White Noise, %.6lf seconds"), length); 
   } 

   virtual wxString GetEffectAction() {
      return wxString(_("Generating White Noise"));
   }

   virtual int GetEffectFlags() {
      return BUILTIN_EFFECT | INSERT_EFFECT;
   }

   virtual bool PromptUser();
   virtual bool Process();

 private:
   double length;
};

#endif

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