edu.cmu.sphinx.decoder.search

Class WordActiveListFactory

java.lang.Object

edu.cmu.sphinx.decoder.search.ActiveListFactory

edu.cmu.sphinx.decoder.search.WordActiveListFactory

All Implemented Interfaces:

Configurable

public class WordActiveListFactory
extends ActiveListFactory

A factory for WordActiveList. The word active list is active list designed to hold word tokens only. In addition to the usual active list properties such as absolute and relative beams, the word active list allows restricting the number of copies of any particular word in the word beam. Also the word active list can restrict the number of fillers in the beam.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	PROP_MAX_FILLER_WORDS property that sets the max filler words allowed in the beam.
static java.lang.String	PROP_MAX_PATHS_PER_WORD property that sets the max paths for a single word.

Fields inherited from class edu.cmu.sphinx.decoder.search.ActiveListFactory

absoluteBeamWidth, logMath, logRelativeBeamWidth, PROP_ABSOLUTE_BEAM_WIDTH, PROP_RELATIVE_BEAM_WIDTH, PROP_STRICT_PRUNING

Constructor Summary

Constructors

Constructor and Description
WordActiveListFactory()
WordActiveListFactory(int absoluteBeamWidth, double relativeBeamWidth, int maxPathsPerWord, int maxFiller) Create factory for word active list

Method Summary

Modifier and Type	Method and Description
ActiveList	newInstance() Creates a new active list of a particular type
void	newProperties(PropertySheet ps) This method is called when this configurable component needs to be reconfigured.

Methods inherited from class java.lang.Object

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

Field Detail

PROP_MAX_PATHS_PER_WORD

@S4Integer(defaultValue=0)
public static final java.lang.String PROP_MAX_PATHS_PER_WORD

property that sets the max paths for a single word. (zero disables this feature)

See Also:

Constant Field Values

PROP_MAX_FILLER_WORDS

@S4Integer(defaultValue=1)
public static final java.lang.String PROP_MAX_FILLER_WORDS

property that sets the max filler words allowed in the beam. (zero disables this feature)

See Also:

Constant Field Values

Constructor Detail

WordActiveListFactory

public WordActiveListFactory(int absoluteBeamWidth,
                             double relativeBeamWidth,
                             int maxPathsPerWord,
                             int maxFiller)

Create factory for word active list

Parameters:

absoluteBeamWidth - beam for absolute pruning

relativeBeamWidth - beam for relative pruning

maxPathsPerWord - maximum number of path to keep per word

maxFiller - maximum number of fillers

WordActiveListFactory

public WordActiveListFactory()

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 ActiveListFactory

Parameters:

ps - a property sheet holding the new data

Throws:

PropertyException - if there is a problem with the properties.

newInstance

public ActiveList newInstance()

Description copied from class: ActiveListFactory

Creates a new active list of a particular type

Specified by:

newInstance in class ActiveListFactory

Returns:

the active list