edu.cmu.sphinx.linguist.language.grammar
Class LMGrammar

java.lang.Object
  edu.cmu.sphinx.linguist.language.grammar.Grammar
      edu.cmu.sphinx.linguist.language.grammar.LMGrammar

All Implemented Interfaces:

GrammarInterface, Configurable

public class LMGrammar
extends Grammar

Defines a simple grammar based upon a language model. It generates one grammar nodeper word. This grammar can deal with unigram and bigram grammars of up to 1000 or so words. Note that all probabilities are in the log math domain.

Field Summary

static java.lang.String

PROP_LANGUAGE_MODEL A sphinx property for the language model to be used by this grammar

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

PROP_ADD_FILLER_WORDS, PROP_ADD_SIL_WORDS, PROP_DICTIONARY, PROP_OPTIMIZE_GRAMMAR, PROP_SHOW_GRAMMAR

Constructor Summary

LMGrammar()

LMGrammar(LanguageModel languageModel, boolean showGrammar, boolean optimizeGrammar, boolean addSilenceWords, boolean addFillerWords, Dictionary dictionary)

Method Summary

void	newProperties(PropertySheet ps) This method is called when this configurable component needs to be reconfigured.

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

allocate, deallocate, dumpGrammar, dumpRandomSentences, dumpRandomSentences, dumpStatistics, getDictionary, getGrammarNodes, getInitialNode, getNumNodes, getRandomSentence

Methods inherited from class java.lang.Object

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

Field Detail

PROP_LANGUAGE_MODEL

@S4Component(type=LanguageModel.class)
public static final java.lang.String PROP_LANGUAGE_MODEL

A sphinx property for the language model to be used by this grammar

See Also:

Constant Field Values

Constructor Detail

LMGrammar

public LMGrammar(LanguageModel languageModel,
                 boolean showGrammar,
                 boolean optimizeGrammar,
                 boolean addSilenceWords,
                 boolean addFillerWords,
                 Dictionary dictionary)

LMGrammar

public LMGrammar()

Method Detail

newProperties

public void newProperties(PropertySheet ps)
                   throws PropertyException

Description copied from interface: Configurable

This method is called when this configurable component needs to be reconfigured.

Specified by:

newProperties in interface Configurable

Overrides:

newProperties in class Grammar

Parameters:

ps - a property sheet holding the new data

Throws:

PropertyException - if there is a problem with the properties.