001/**
002 * Copyright (c) 2011, The University of Southampton and the individual contributors.
003 * All rights reserved.
004 *
005 * Redistribution and use in source and binary forms, with or without modification,
006 * are permitted provided that the following conditions are met:
007 *
008 *   *  Redistributions of source code must retain the above copyright notice,
009 *      this list of conditions and the following disclaimer.
010 *
011 *   *  Redistributions in binary form must reproduce the above copyright notice,
012 *      this list of conditions and the following disclaimer in the documentation
013 *      and/or other materials provided with the distribution.
014 *
015 *   *  Neither the name of the University of Southampton nor the names of its
016 *      contributors may be used to endorse or promote products derived from this
017 *      software without specific prior written permission.
018 *
019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029 */
030/**
031 *
032 */
033package org.openimaj.docs.tutorial.fund.audio;
034
035import org.openimaj.audio.AudioFormat;
036import org.openimaj.audio.JavaSoundAudioGrabber;
037import org.openimaj.audio.SampleChunk;
038import org.openimaj.vis.audio.AudioSpectrogram;
039
040/**
041 * This is the code for exercise 1 in the basic audio tutorial. When you talk or
042 * sing into the computer can you see the pitches in your voice? How does speech
043 * compare to other sounds?
044 * 
045 * @author David Dupplaw (dpd@ecs.soton.ac.uk)
046 * @created 19 Jun 2013
047 * @version $Author$, $Revision$, $Date$
048 */
049public class Spectrogram
050{
051        /**
052         * Main method
053         * 
054         * @param args
055         *            command-line args (not used)
056         * @throws InterruptedException
057         */
058        public static void main(final String[] args) throws InterruptedException
059        {
060                // Construct a new audio waveform visualisation
061                final AudioSpectrogram aw = new AudioSpectrogram(440, 600);
062                aw.showWindow("Spectrogram");
063
064                // Start a sound grabber that will grab from your default microphone
065                final JavaSoundAudioGrabber jsag = new JavaSoundAudioGrabber(new AudioFormat(16, 44.1, 1));
066                new Thread(jsag).start();
067
068                // Wait until the grabber has started (sometimes it takes a while)
069                while (jsag.isStopped())
070                        Thread.sleep(50);
071
072                // Then send each of the frames to the visualisation
073                SampleChunk sc = null;
074                while ((sc = jsag.nextSampleChunk()) != null)
075                        aw.setData(sc);
076        }
077}