content: /**
   * Copyright 2000-2006 DFKI GmbH.
   * All Rights Reserved.  Use is subject to license terms.
   * <p/>
   * This file is part of MARY TTS.
   * <p/>
   * 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.
   * <p/>
   * 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.
   * <p/>
   * 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.vocalizations;
  
  import lib.sound.sampled.AudioFileFormat;
  import lib.sound.sampled.AudioInputStream;
  import marytts.exceptions.SynthesisException;
  
  /**
   * An abstract class for vocalization syntehsis technology
   *
   * @author Sathish Pammi
   */
  
  public abstract class VocalizationSynthesisTechnology {
  
      /**
       * Synthesize given vocalization
       *
       * @param unitIndex unit index
       * @param aft       audio file format
       * @return AudioInputStream of synthesized vocalization
       * @throws SynthesisException if failed to synthesize vocalization
       */
      public abstract AudioInputStream synthesize(int unitIndex, AudioFileFormat aft) throws SynthesisException;
  
      /**
       * Re-synthesize given vocalization
       *
       * @param unitIndex unit index
       * @param aft       audio file format
       * @return AudioInputStream of synthesized vocalization
       * @throws SynthesisException if failed to synthesize vocalization
       */
      public abstract AudioInputStream reSynthesize(int sourceIndex, AudioFileFormat aft) throws SynthesisException;
  
  
      /**
       * Impose target intonation contour on given vocalization
       *
       * @param sourceIndex unit index of vocalization
       * @param targetIndex unit index of target intonation
       * @param aft         aft audio file format
       * @return AudioInputStream of synthesized vocalization
       * @throws SynthesisException if failed to synthesize vocalization
       */
      public abstract AudioInputStream synthesizeUsingImposedF0(int sourceIndex, int targetIndex, AudioFileFormat aft) throws SynthesisException;
  
  
  }
  
  