edu.cmu.sphinx.linguist.acoustic.tiedstate.trainer

Class ModelInitializerLoader

java.lang.Object

edu.cmu.sphinx.linguist.acoustic.tiedstate.trainer.ModelInitializerLoader

All Implemented Interfaces:

Loader, Configurable

public class ModelInitializerLoader
extends java.lang.Object
implements Loader

an acoustic model loader that initializes models

Mixture weights and transition probabilities are maintained in logMath log base,

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	DATA_DIR
static java.lang.String	LOCATION
static java.lang.String	MODEL_NAME
static java.lang.String	MODEL_VERSION
static java.lang.String	PHONE_LIST
static java.lang.String	PROP_FILE
static java.lang.String	PROP_MC_FLOOR Mixture component score floor.
static java.lang.String	PROP_MW_FLOOR Mixture weight floor.
static java.lang.String	PROP_UNIT_MANAGER
static java.lang.String	PROP_USE_CD_UNITS
static java.lang.String	PROP_VARIANCE_FLOOR

Constructor Summary

Constructors

Constructor and Description
ModelInitializerLoader()

Method Summary

Modifier and Type	Method and Description
java.util.Map<java.lang.String,Unit>	getContextIndependentUnits() Returns the map of context indepent units.
HMMManager	getHMMManager() Returns the HMM Manager for this loader.
int	getLeftContextSize() Returns the size of the left context for context dependent units.
Pool<float[]>	getMeansPool() Gets the pool of means for this loader.
Pool<float[][]>	getMeansTransformationMatrixPool() Gets the means transformation matrix pool.
Pool<float[]>	getMeansTransformationVectorPool() Gets the means transformation vectors pool.
GaussianWeights	getMixtureWeights() Gets the mixture weight pool.
java.util.Properties	getProperties()
int	getRightContextSize() Returns the size of the right context for context dependent units.
Pool<Senone>	getSenonePool() Gets the senone pool for this loader.
float[][]	getTransformMatrix() Gets the transformation matrix.
Pool<float[][]>	getTransitionMatrixPool() Gets the transition matrix pool.
Pool<float[]>	getVariancePool() Gets the variance pool.
Pool<float[][]>	getVarianceTransformationMatrixPool() Gets the variance transformation matrix pool.
Pool<float[]>	getVarianceTransformationVectorPool() Gets the variance transformation vectors pool.
void	load() Loads the acoustic model.
void	logInfo() logs information about this loader
void	newProperties(PropertySheet ps) This method is called when this configurable component needs to be reconfigured.
void	update(Transform transform, ClusteredDensityFileData clusters) Apply the transform

Methods inherited from class java.lang.Object

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

Field Detail

MODEL_VERSION

public static final java.lang.String MODEL_VERSION

See Also:

Constant Field Values

MODEL_NAME

@S4String(defaultValue="model")
public static final java.lang.String MODEL_NAME

See Also:

Constant Field Values

LOCATION

@S4String(defaultValue=".")
public static final java.lang.String LOCATION

See Also:

Constant Field Values

PHONE_LIST

@S4String(defaultValue="phonelist")
public static final java.lang.String PHONE_LIST

See Also:

Constant Field Values

DATA_DIR

@S4String(defaultValue="data")
public static final java.lang.String DATA_DIR

See Also:

Constant Field Values

PROP_FILE

@S4String(defaultValue="model.props")
public static final java.lang.String PROP_FILE

See Also:

Constant Field Values

PROP_UNIT_MANAGER

@S4Component(type=UnitManager.class)
public static final java.lang.String PROP_UNIT_MANAGER

See Also:

Constant Field Values

PROP_USE_CD_UNITS

@S4Boolean(defaultValue=false)
public static final java.lang.String PROP_USE_CD_UNITS

See Also:

Constant Field Values

PROP_VARIANCE_FLOOR

@S4Double(defaultValue=9.999999747378752E-5)
public static final java.lang.String PROP_VARIANCE_FLOOR

See Also:

Constant Field Values

PROP_MC_FLOOR

@S4Double(defaultValue=0.0)
public static final java.lang.String PROP_MC_FLOOR

Mixture component score floor.

See Also:

Constant Field Values

PROP_MW_FLOOR

@S4Double(defaultValue=1.0000000116860974E-7)
public static final java.lang.String PROP_MW_FLOOR

Mixture weight floor.

See Also:

Constant Field Values

Constructor Detail

ModelInitializerLoader

public ModelInitializerLoader()

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

Parameters:

ps - a property sheet holding the new data

Throws:

PropertyException - if there is a problem with the properties.

getContextIndependentUnits

public java.util.Map<java.lang.String,Unit> getContextIndependentUnits()

Description copied from interface: Loader

Returns the map of context indepent units. The map can be accessed by unit name.

Specified by:

getContextIndependentUnits in interface Loader

Returns:

the map of context independent units

load

public void load()
          throws java.io.IOException

Description copied from interface: Loader

Loads the acoustic model.

Specified by:

load in interface Loader

Throws:

java.io.IOException - if an error occurs while loading the model

getMeansPool

public Pool<float[]> getMeansPool()

Description copied from interface: Loader

Gets the pool of means for this loader.

Specified by:

getMeansPool in interface Loader

Returns:

the pool

getMeansTransformationMatrixPool

public Pool<float[][]> getMeansTransformationMatrixPool()

Description copied from interface: Loader

Gets the means transformation matrix pool.

Specified by:

getMeansTransformationMatrixPool in interface Loader

Returns:

the pool

getMeansTransformationVectorPool

public Pool<float[]> getMeansTransformationVectorPool()

Description copied from interface: Loader

Gets the means transformation vectors pool.

Specified by:

getMeansTransformationVectorPool in interface Loader

Returns:

the pool

getVariancePool

public Pool<float[]> getVariancePool()

Description copied from interface: Loader

Gets the variance pool.

Specified by:

getVariancePool in interface Loader

Returns:

the pool

getVarianceTransformationMatrixPool

public Pool<float[][]> getVarianceTransformationMatrixPool()

Description copied from interface: Loader

Gets the variance transformation matrix pool.

Specified by:

getVarianceTransformationMatrixPool in interface Loader

Returns:

the pool

getVarianceTransformationVectorPool

public Pool<float[]> getVarianceTransformationVectorPool()

Description copied from interface: Loader

Gets the variance transformation vectors pool.

Specified by:

getVarianceTransformationVectorPool in interface Loader

Returns:

the pool

getMixtureWeights

public GaussianWeights getMixtureWeights()

Description copied from interface: Loader

Gets the mixture weight pool.

Specified by:

getMixtureWeights in interface Loader

Returns:

the pool

getTransitionMatrixPool

public Pool<float[][]> getTransitionMatrixPool()

Description copied from interface: Loader

Gets the transition matrix pool.

Specified by:

getTransitionMatrixPool in interface Loader

Returns:

the pool

getTransformMatrix

public float[][] getTransformMatrix()

Description copied from interface: Loader

Gets the transformation matrix.

Specified by:

getTransformMatrix in interface Loader

Returns:

the matrix

getSenonePool

public Pool<Senone> getSenonePool()

Description copied from interface: Loader

Gets the senone pool for this loader.

Specified by:

getSenonePool in interface Loader

Returns:

the pool

getLeftContextSize

public int getLeftContextSize()

Description copied from interface: Loader

Returns the size of the left context for context dependent units.

Specified by:

getLeftContextSize in interface Loader

Returns:

the left context size

getRightContextSize

public int getRightContextSize()

Description copied from interface: Loader

Returns the size of the right context for context dependent units.

Specified by:

getRightContextSize in interface Loader

Returns:

the left context size

getHMMManager

public HMMManager getHMMManager()

Description copied from interface: Loader

Returns the HMM Manager for this loader.

Specified by:

getHMMManager in interface Loader

Returns:

the HMM Manager

logInfo

public void logInfo()

Description copied from interface: Loader

logs information about this loader

Specified by:

logInfo in interface Loader

getProperties

public java.util.Properties getProperties()

Specified by:

getProperties in interface Loader

Returns:

the model properties

update

public void update(Transform transform,
                   ClusteredDensityFileData clusters)

Description copied from interface: Loader

Apply the transform

Specified by:

update in interface Loader

Parameters:

transform - transform to apply to the model

clusters - transform clusters