/**
* Copyright 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.unitselection.select;
import marytts.exceptions.MaryConfigurationException;
import marytts.unitselection.data.Unit;
/**
* A statistical cost function
*
* @author Sathish Pammi
*
*/
public interface StatisticalCostFunction {
public double cost(Unit u1, Unit u2);
/**
* Initialise this scost cost function by reading the appropriate settings from the MaryProperties using the given
* configPrefix.
*
* @param configPrefix
* the prefix for the (voice-specific) config entries to use when looking up files to load.
* @throws MaryConfigurationException
* MaryConfigurationException
*/
public void init(String configPrefix) throws MaryConfigurationException;
}