com.sun.speech.freetts.en.us
Class CMULexicon

java.lang.Object
  com.sun.speech.freetts.lexicon.LexiconImpl
      com.sun.speech.freetts.en.us.CMULexicon

All Implemented Interfaces:

Lexicon

Direct Known Subclasses:

CMUTimeLexicon

public class CMULexicon

extends LexiconImpl

Provides a CMU lexicon-specific implementation of a Lexicon that is stored in a text file.

Field Summary

Fields inherited from class com.sun.speech.freetts.lexicon.LexiconImpl

tokenizeOnLoad, tokenizeOnLookup

Constructor Summary

CMULexicon()
Creates the default CMU Lexicon which is a binary lexicon

CMULexicon(java.lang.String basename)
Creates the CMU Lexicon which is a binary lexicon

CMULexicon(java.lang.String basename, boolean useBinaryIO)

CMULexicon(java.net.URL compiledURL, java.net.URL addendaURL, java.net.URL letterToSoundURL, boolean binary)
Creates a CMULexicon based upon the given compiled and addenda DBs and the given letter to sound rules

Method Summary

static CMULexicon	getInstance(boolean useBinaryIO) Get the CMULexicon.
static CMULexicon	getInstance(java.lang.String basename, boolean useBinaryIO) Get the CMULexicon.
protected static int	getSonority(java.lang.String phone) Determines the sonority for the given phone.
protected static boolean	hasVowel(java.util.List phones) Determines if there is a vowel in given list of phones.
protected static boolean	hasVowel(java.lang.String[] phones, int index) Determines if there is a vowel in the remainder of the array, starting at the given index.
protected static boolean	isSilence(java.lang.String phone) Determines if the given phone represents a silent phone.
boolean	isSyllableBoundary(java.util.List syllablePhones, java.lang.String[] wordPhones, int currentWordPhone) Determines if the currentPhone represents a new syllable boundary.
protected static boolean	isVowel(java.lang.String phone) Determines if the given phone is a vowel
static void	main(java.lang.String[] args) Provides test code for the CMULexicon.

Methods inherited from class com.sun.speech.freetts.lexicon.LexiconImpl

addAddendum, compare, createLexicon, dumpBinary, fixPartOfSpeech, getPhones, getPhones, getPhones, getPhones, getPhones, isLoaded, load, loadTextLexicon, parseAndAdd, removeAddendum, setLexiconParameters

Methods inherited from class java.lang.Object

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

Constructor Detail

CMULexicon

public CMULexicon(java.net.URL compiledURL,
                  java.net.URL addendaURL,
                  java.net.URL letterToSoundURL,
                  boolean binary)

Creates a CMULexicon based upon the given compiled and addenda DBs and the given letter to sound rules

Parameters:

compiledURL - the compiled database is loaded from here

addendaURL - the database addenda is loaded from here

letterToSoundURL - the letter to sound rules are loaded from here

binary - if true the input data are loaded as binary ; otherwise if false the input data are loaded as text.

CMULexicon

public CMULexicon()

Creates the default CMU Lexicon which is a binary lexicon

CMULexicon

public CMULexicon(java.lang.String basename)

Creates the CMU Lexicon which is a binary lexicon

Parameters:

basename - the basename for the lexicon.

CMULexicon

public CMULexicon(java.lang.String basename,
                  boolean useBinaryIO)

Method Detail

getInstance

public static CMULexicon getInstance(boolean useBinaryIO)
                              throws java.io.IOException

Get the CMULexicon.

Parameters:

useBinaryIO - if true use binary IO to load DB

Throws:

java.io.IOException - if problems occurred while reading the data

getInstance

public static CMULexicon getInstance(java.lang.String basename,
                                     boolean useBinaryIO)
                              throws java.io.IOException

Get the CMULexicon.

Parameters:

useBinaryIO - if true use binary IO to load DB

Throws:

java.io.IOException - if problems occurred while reading the data

isSyllableBoundary

public boolean isSyllableBoundary(java.util.List syllablePhones,
                                  java.lang.String[] wordPhones,
                                  int currentWordPhone)

Determines if the currentPhone represents a new syllable boundary.

Parameters:

syllablePhones - the phones in the current syllable so far

wordPhones - the phones for the whole word

currentWordPhone - the word phone in question

Returns:

true if the word phone in question is on a syllable boundary; otherwise false.

isSilence

protected static boolean isSilence(java.lang.String phone)

Determines if the given phone represents a silent phone.

Parameters:

phone - the phone to test

Returns:

true if the phone represents a silent phone; otherwise false.

hasVowel

protected static boolean hasVowel(java.lang.String[] phones,
                                  int index)

Determines if there is a vowel in the remainder of the array, starting at the given index.

Parameters:

phones - the set of phones to check

index - start checking at this index

Returns:

true if a vowel is found; otherwise false.

hasVowel

protected static boolean hasVowel(java.util.List phones)

Determines if there is a vowel in given list of phones.

Parameters:

phones - the list of phones

Returns:

true if a vowel is found; otherwise false.

isVowel

protected static boolean isVowel(java.lang.String phone)

Determines if the given phone is a vowel

Parameters:

phone - the phone to test

Returns:

true if phone is a vowel otherwise false.

getSonority

protected static int getSonority(java.lang.String phone)

Determines the sonority for the given phone.

Parameters:

phone - the phone of interest

Returns:

an integer that classifies phone transitions

main

public static void main(java.lang.String[] args)

Provides test code for the CMULexicon.
Usage:

  com.sun.speech.freetts.en.us.CMULexicon [options]

 Where options is any combination of:

 -src path
 -dest path
 -generate_binary [base_name]
 -compare
 -showtimes