/**
* 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.util.data.audio;
import javax.sound.sampled.AudioFormat;
import marytts.util.data.BufferedDoubleDataSource;
import marytts.util.math.FFTTest;
import marytts.util.math.MathUtils;
import org.junit.Assert;
import org.junit.Test;
/**
* @author Marc Schröder
*
*/
public class AudioDoubleDataSourceTest {
@Test
public void testGetAllData1() {
int samplingRate = 16000;
AudioFormat af = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, samplingRate, 16, 1, 2, samplingRate, false);
double[] testSignal = FFTTest.getSampleSignal(16000);
DDSAudioInputStream ais = new DDSAudioInputStream(new BufferedDoubleDataSource(testSignal), af);
double[] result = new AudioDoubleDataSource(ais).getAllData();
Assert.assertTrue(result.length == testSignal.length);
}
@Test
public void testGetAllData2() {
int samplingRate = 16000;
AudioFormat af = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, samplingRate, 16, 1, 2, samplingRate, false);
double[] signal = FFTTest.getSampleSignal(16000);
DDSAudioInputStream ais = new DDSAudioInputStream(new BufferedDoubleDataSource(signal), af);
double[] result = new AudioDoubleDataSource(ais).getAllData();
double err = MathUtils.sumSquaredError(signal, result);
Assert.assertTrue("Error: " + err, err < 1.E-20);
}
}