content: /*
   * Portions Copyright 2004 DFKI GmbH.
   * Portions Copyright 2001 Sun Microsystems, Inc.
   * Portions Copyright 1999-2001 Language Technologies Institute, 
   * Carnegie Mellon University.
   * All Rights Reserved.  Use is subject to license terms.
   * 
   * See the file "license.terms" for information on usage and
   * redistribution of this file, and for a DISCLAIMER OF ALL 
   * WARRANTIES.
   */
  package de.dfki.lt.freetts;
  
  import com.sun.speech.freetts.UtteranceProcessor;
  
  import java.io.IOException;
  import java.net.URL;
  
  /**
   * A generic interface implementing what is common to all
   * concatentive voices (e.g., diphone, cluster unit and arctic voices).
   */
  public interface ConcatenativeVoice {
      /**
       * Gets the url to the database that defines the unit data for this
       * voice.
       *
       * @return a url to the database
       */
      URL getDatabase();
  
      /**
       * Returns the pitch mark generator to be used by this voice.
       *
       * @return the pitchmark processor
       * @throws IOException if an IO error occurs while getting
       *                     processor
       */
      UtteranceProcessor getPitchmarkGenerator() throws IOException;
  
      /**
       * Returns the unit concatenator to be used by this voice.
       *
       * @return the unit concatenator processor
       * @throws IOException if an IO error occurs while getting
       *                     processor
       */
      UtteranceProcessor getUnitConcatenator() throws IOException;
  
      /**
       * Returns the unit selector to be used by this voice.
       *
       * @return the unit selector processor
       * @throws IOException if an IO error occurs while getting
       *                     processor
       */
      UtteranceProcessor getUnitSelector() throws IOException;
  }
  