CLAM-Development  1.4.0
Deesser.hxx
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1 
2 /*
3  * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
4  * UNIVERSITAT POMPEU FABRA
5  *
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20  *
21  */
22 
23 
24 #ifndef _Deesser_
25 #define _Deesser_
26 
27 #include "InPort.hxx"
28 #include "OutPort.hxx"
29 #include "InControl.hxx"
30 #include "Frame.hxx"
31 #include "FrameTransformation.hxx"
33 #include "SpectralNotch.hxx"
34 
35 namespace CLAM{
36 
37  class Deesser: public FrameTransformationTmpl<Spectrum>
38  {
39  InPort<Spectrum> mIn;
40  OutPort<Spectrum> mOut;
41 
42  FloatInControl mLowCutoffFreqCtl;
43  FloatInControl mHighCutoffFreqCtl;
44  FloatInControl mThresholdCtl;
45  public:
46  const char* GetClassName() const
47  {
48  return "Deesser";
49  }
50 
52  :
53  mIn("In Spectrum", this),
54  mOut("Out Spectrum", this) ,
55  mLowCutoffFreqCtl("LowCutoff", this),
56  mHighCutoffFreqCtl("HighCutoff", this),
57  mThresholdCtl("Threshold", this)
58  {
61  }
62 
63  ~Deesser() {}
64 
65  virtual bool InitControls()
66  {
67  mLowCutoffFreqCtl.DoControl(3000);
68  mHighCutoffFreqCtl.DoControl(6000);
69  mThresholdCtl.DoControl(-30);
70 
71  return true;
72  }
73 
74  bool Do(const Frame& in, Frame& out)
75  {
76  return Do(in.GetSpectrum(),
77  out.GetSpectrum());
78  }
79 
80  bool Do(const Spectrum& in, Spectrum& out);
81 
82  bool Do()
83  {
84  bool result = Do(mIn.GetData(), mOut.GetData());
85  mIn.Consume();
86  mOut.Produce();
87  return result;
88  }
89  private:
90  SpectralNotch mNotch;
91  };
92 };//namespace CLAM
93 
94 #endif // _Deesser_