CLAM-Development
1.1
|
00001 00002 /* 00003 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG) 00004 * UNIVERSITAT POMPEU FABRA 00005 * 00006 * 00007 * This program is free software; you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published by 00009 * the Free Software Foundation; either version 2 of the License, or 00010 * (at your option) any later version. 00011 * 00012 * This program is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with this program; if not, write to the Free Software 00019 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00020 * 00021 */ 00022 00023 00024 #ifndef _Deesser_ 00025 #define _Deesser_ 00026 00027 #include "InPort.hxx" 00028 #include "OutPort.hxx" 00029 #include "InControl.hxx" 00030 #include "Frame.hxx" 00031 #include "FrameTransformation.hxx" 00032 #include "FrameTransformationConfig.hxx" 00033 #include "SpectralNotch.hxx" 00034 00035 namespace CLAM{ 00036 00037 class Deesser: public FrameTransformationTmpl<Spectrum> 00038 { 00039 InPort<Spectrum> mIn; 00040 OutPort<Spectrum> mOut; 00041 00042 InControl mLowCutoffFreqCtl; 00043 InControl mHighCutoffFreqCtl; 00044 InControl mThresholdCtl; 00045 public: 00046 const char* GetClassName() const 00047 { 00048 return "Deesser"; 00049 } 00050 00051 Deesser() 00052 : 00053 mIn("In Spectrum", this), 00054 mOut("Out Spectrum", this) , 00055 mLowCutoffFreqCtl("LowCutoff", this), 00056 mHighCutoffFreqCtl("HighCutoff", this), 00057 mThresholdCtl("Threshold", this) 00058 { 00059 Configure( FrameTransformationConfig() ); 00060 mNotch.Configure( FrameTransformationConfig() ); 00061 } 00062 00063 ~Deesser() {} 00064 00065 virtual bool InitControls() 00066 { 00067 mLowCutoffFreqCtl.DoControl(3000); 00068 mHighCutoffFreqCtl.DoControl(6000); 00069 mThresholdCtl.DoControl(-30); 00070 00071 return true; 00072 } 00073 00074 bool Do(const Frame& in, Frame& out) 00075 { 00076 return Do(in.GetSpectrum(), 00077 out.GetSpectrum()); 00078 } 00079 00080 bool Do(const Spectrum& in, Spectrum& out); 00081 00082 bool Do() 00083 { 00084 bool result = Do(mIn.GetData(), mOut.GetData()); 00085 mIn.Consume(); 00086 mOut.Produce(); 00087 return result; 00088 } 00089 private: 00090 SpectralNotch mNotch; 00091 }; 00092 };//namespace CLAM 00093 00094 #endif // _Deesser_