utterancehmmgraph.java

来自「It is the Speech recognition software. 」· Java 代码 · 共 54 行

/*
 * Copyright 1999-2002 Carnegie Mellon University.
 * Portions Copyright 2002 Sun Microsystems, Inc.
 * Portions Copyright 2002 Mitsubishi Electric Research Laboratories.
 * 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 edu.cmu.sphinx.trainer;

import edu.cmu.sphinx.linguist.acoustic.AcousticModel;

/**
 * Defines the Utterance Graph.
 */
public class UtteranceHMMGraph extends Graph implements UtteranceGraph {

    /**
     * Constructor for class UtteranceHMMGraph.
     */
    public UtteranceHMMGraph(String context, Utterance utterance, 
			     AcousticModel acousticModel) {
	super();
	Transcript currentTranscript;
	Graph transcriptGraph;
	for (utterance.startTranscriptIterator();
	     utterance.hasMoreTranscripts(); ) {
	    /* The transcript object has a pointer to its own dictionary 
	     */
	    Transcript transcript = utterance.nextTranscript();
	    transcriptGraph = new TranscriptHMMGraph(context, transcript,
						     acousticModel);
	    add(transcriptGraph);
	}
    }

    /**
     * Add a transcript graph to the current utterance graph.
     *
     * @param transcriptGraph the transcript graph
     */
    public void add(Graph transcriptGraph) {
	// Implementation requires a single transcript per
	// utterance. The copy will fail if the current utterance
	// graph is not empty.
	copyGraph(transcriptGraph);
    }
    
}