content: ///**
  //* Copyright 2004-2006 DFKI GmbH.
  //* All Rights Reserved.  Use is subject to license terms.
  //*
  //* This file is part of MARY TTS.
  //*
  //* MARY TTS 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, version 3 of the License.
  //*
  //* This program 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, see <http://www.gnu.org/licenses/>.
  //*
  //*/
  //package marytts.signalproc.display;
  //
  //import lib.sound.sampled.AudioFormat;
  //import lib.sound.sampled.AudioInputStream;
  //import lib.sound.sampled.AudioSystem;
  //import marytts.signalproc.analysis.F0TrackerAutocorrelationHeuristic;
  //import marytts.signalproc.analysis.PitchFileHeader;
  //import marytts.util.data.BufferedDoubleDataSource;
  //import marytts.util.data.DoubleDataSource;
  //import marytts.util.data.audio.AudioDoubleDataSource;
  //
  //
  ///**
  //* @author Marc Schr&ouml;der
  //*
  //*/
  //public class F0Graph extends FunctionGraph
  //{
  //    public F0Graph(AudioInputStream ais) {
  //        this(ais, DEFAULT_WIDTH, DEFAULT_HEIGHT);
  //    }
  //
  //    public F0Graph(AudioInputStream ais, int width, int height) {
  //        super();
  //        if (!ais.getFormat().getEncoding().equals(AudioFormat.Encoding.PCM_SIGNED)) {
  //            ais = AudioSystem.getAudioInputStream(AudioFormat.Encoding.PCM_SIGNED, ais);
  //        }
  //        if (ais.getFormat().getChannels() > 1) {
  //            throw new IllegalArgumentException("Can only deal with mono audio signals");
  //        }
  //        AudioDoubleDataSource signal = new AudioDoubleDataSource(ais);
  //        initialise(signal, signal.getSamplingRate(), width, height);
  //    }
  //
  //    public F0Graph(double[] signal, int samplingRate)
  //    {
  //        this(signal, samplingRate, DEFAULT_WIDTH, DEFAULT_HEIGHT);
  //    }
  //
  //    public F0Graph(double[] signal, int samplingRate, int width, int height)
  //    {
  //        initialise(new BufferedDoubleDataSource(signal), samplingRate, width, height);
  //    }
  //
  //    protected void initialise(DoubleDataSource signal, int samplingRate, int width, int height)
  //    {
  //        /*
  //        F0Tracker f0Tracker = new F0TrackerAutocorrelationDP();
  //        F0Tracker.F0Contour f0Contour = f0Tracker.analyse(signal, samplingRate);
  //        double frameShiftTime = f0Contour.getFrameShiftTime();
  //        double[] f0Array = f0Contour.getContour();
  //        double xOffset = 0;
  //        */
  //        PitchFileHeader params = new PitchFileHeader();
  //        params.fs = samplingRate;
  //        F0TrackerAutocorrelationHeuristic tracker = new F0TrackerAutocorrelationHeuristic(params);
  //        tracker.pitchAnalyze(signal);
  //        double frameShiftTime = tracker.getSkipSizeInSeconds();
  //        double[] f0Array = tracker.getF0Contour();
  //        double xOffset = tracker.getWindowSizeInSeconds() / 2;
  //        super.initialise(width, height, xOffset, frameShiftTime, f0Array);
  //        //setPrimaryDataSeriesStyle(Color.RED, DRAW_DOTS, DOT_FULLDIAMOND);
  //        dotSize = 8;
  //    }
  //
  ////    public static void main(String[] args) throws Exception
  ////    {
  ////        AudioInputStream ais = AudioSystem.getAudioInputStream(new File(args[0]));
  ////        F0Graph f0Graph = new F0Graph(ais);
  ////        f0Graph.showInJFrame(args[0], true, true);
  ////    }
  //}
  //
  