--- /dev/null
+// Copyright 2005 "Gilles Degottex"
+
+// This file is part of "Music"
+
+// "Music" is free software; you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// "Music" is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+
+#ifndef _MONOQUANTIZER_H_
+#define _MONOQUANTIZER_H_
+
+#include <deque>
+using namespace std;
+#include <qobject.h>
+#include <qdatetime.h>
+#include <Music/Music.h>
+using namespace Music;
+
+class MonoQuantizer : public QObject
+{
+ Q_OBJECT
+
+ protected:
+ double m_min_confidence;
+
+ double m_confidence;
+ double m_current_center_freq; // nearest semi-tone
+ double m_avg_freq; // precise frequency
+
+ public:
+ MonoQuantizer();
+
+ double getMinConfidence() {return m_min_confidence;}
+ void setMinConfidence(float min_confidence) {m_min_confidence=min_confidence;}
+ double getConfidence() {return m_confidence;}
+// int getMinStoredRecon() {return m_min_stored_recon;}
+ bool isPlaying() {return m_current_center_freq>0.0;}
+ double getCenterFrequency() {return m_current_center_freq;}
+ double getAverageFrequency() {return m_avg_freq;}
+
+ virtual void quantize(double freq)=0;
+ virtual void reset()=0;
+
+ virtual ~MonoQuantizer();
+
+ signals:
+ void noteStarted(double freq, double dt);
+ void noteFinished(double freq, double dt);
+// void notePlayed(double freq, double duration, double dt);
+
+// public slots:
+};
+
+#endif // _MONOQUANTIZER_H_