edu.cmu.sphinx.linguist.language.grammar

Class ForcedAlignerGrammar

java.lang.Object

edu.cmu.sphinx.linguist.language.grammar.Grammar

edu.cmu.sphinx.linguist.language.grammar.ForcedAlignerGrammar

All Implemented Interfaces:

GrammarInterface, Configurable

Direct Known Subclasses:

BatchForcedAlignerGrammar

public class ForcedAlignerGrammar
extends Grammar

Creates a grammar from a reference sentence. It is a constrained grammar that represents the sentence only.

Note that all grammar probabilities are maintained in the LogMath log base

Field Summary

Fields

Modifier and Type	Field and Description
protected GrammarNode	finalNode

Fields inherited from class edu.cmu.sphinx.linguist.language.grammar.Grammar

dictionary, initialNode, logger, PROP_ADD_FILLER_WORDS, PROP_ADD_SIL_WORDS, PROP_DICTIONARY, PROP_OPTIMIZE_GRAMMAR, PROP_SHOW_GRAMMAR

Constructor Summary

Constructors

Constructor and Description
ForcedAlignerGrammar()
ForcedAlignerGrammar(boolean showGrammar, boolean optimizeGrammar, boolean addSilenceWords, boolean addFillerWords, Dictionary dictionary)

Method Summary

Modifier and Type	Method and Description
protected GrammarNode	createForcedAlignerGrammar(GrammarNode iNode, GrammarNode fNode, java.lang.String transcript) Create a branch of the grammar that corresponds to a transcript.
protected GrammarNode	createGrammar() Create class from reference text (not implemented).
protected GrammarNode	createGrammar(java.lang.String referenceText) Creates the grammar

Methods inherited from class edu.cmu.sphinx.linguist.language.grammar.Grammar

allocate, createGrammarNode, createGrammarNode, createGrammarNode, createGrammarNode, createGrammarNode, deallocate, dumpGrammar, dumpRandomSentences, dumpRandomSentences, dumpStatistics, getDictionary, getGrammarNodes, getInitialNode, getNumNodes, getRandomSentence, newGrammar, newProperties, postProcessGrammar

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

finalNode

protected GrammarNode finalNode

Constructor Detail

ForcedAlignerGrammar

public ForcedAlignerGrammar(boolean showGrammar,
                            boolean optimizeGrammar,
                            boolean addSilenceWords,
                            boolean addFillerWords,
                            Dictionary dictionary)

ForcedAlignerGrammar

public ForcedAlignerGrammar()

Method Detail

createGrammar

protected GrammarNode createGrammar()

Create class from reference text (not implemented).

Specified by:

createGrammar in class Grammar

Returns:

the initial node for the grammar

createGrammar

protected GrammarNode createGrammar(java.lang.String referenceText)
                             throws java.lang.NoSuchMethodException

Creates the grammar

Overrides:

createGrammar in class Grammar

Parameters:

referenceText - dummy variable

Returns:

created grammar node

Throws:

java.lang.NoSuchMethodException - if called with reference sentence

createForcedAlignerGrammar

protected GrammarNode createForcedAlignerGrammar(GrammarNode iNode,
                                                 GrammarNode fNode,
                                                 java.lang.String transcript)

Create a branch of the grammar that corresponds to a transcript. For each word create a node, and link the nodes with arcs. The branch is connected to the initial node iNode, and the final node fNode.

Parameters:

iNode - initial node

fNode - final node

transcript - transcript

Returns:

the first node of this branch