edu.cmu.sphinx.linguist.acoustic.tiedstate

Class SenoneHMMState

java.lang.Object

edu.cmu.sphinx.linguist.acoustic.tiedstate.SenoneHMMState

All Implemented Interfaces:

HMMState

public class SenoneHMMState
extends java.lang.Object
implements HMMState

Represents a single state in an HMM

Method Summary

Modifier and Type	Method and Description
float[]	calculateComponentScore(Data feature) Gets the scores for each mixture component in this HMM state
boolean	equals(java.lang.Object other) Determines if two HMMStates are equal
HMM	getHMM() Gets the HMM associated with this state
float[]	getLogMixtureWeights()
MixtureComponent[]	getMixtureComponents() Returns the mixture components associated with this Gaussian
long	getMixtureId() Gets the id of the mixture
float	getScore(Data feature) Gets the score for this HMM state
Senone	getSenone() Gets the senone for this HMM state
int	getState() Gets the state
HMMStateArc[]	getSuccessors() Retrieves the state of successor states for this state
int	hashCode() Returns the hashcode for this state
boolean	isEmitting() Determines if this HMMState is an emitting state
boolean	isExitState() Determines if this state is an exit state of the HMM
java.lang.String	toString() returns a string representation of this object

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

getHMM

public HMM getHMM()

Gets the HMM associated with this state

Specified by:

getHMM in interface HMMState

Returns:

the HMM

getState

public int getState()

Gets the state

Specified by:

getState in interface HMMState

Returns:

the state

getScore

public float getScore(Data feature)

Gets the score for this HMM state

Specified by:

getScore in interface HMMState

Parameters:

feature - the feature to be scored

Returns:

the acoustic score for this state.

calculateComponentScore

public float[] calculateComponentScore(Data feature)

Gets the scores for each mixture component in this HMM state

Specified by:

calculateComponentScore in interface HMMState

Parameters:

feature - the feature to be scored

Returns:

the acoustic scores for the components of this state.

getSenone

public Senone getSenone()

Gets the senone for this HMM state

Returns:

the senone for this state.

equals

public boolean equals(java.lang.Object other)

Determines if two HMMStates are equal

Overrides:

equals in class java.lang.Object

Parameters:

other - the state to compare this one to

Returns:

true if the states are equal

hashCode

public int hashCode()

Returns the hashcode for this state

Overrides:

hashCode in class java.lang.Object

Returns:

the hashcode

isEmitting

public final boolean isEmitting()

Determines if this HMMState is an emitting state

Specified by:

isEmitting in interface HMMState

Returns:

true if the state is an emitting state

getSuccessors

public HMMStateArc[] getSuccessors()

Retrieves the state of successor states for this state

Specified by:

getSuccessors in interface HMMState

Returns:

the set of successor state arcs

isExitState

public boolean isExitState()

Determines if this state is an exit state of the HMM

Specified by:

isExitState in interface HMMState

Returns:

true if the state is an exit state

toString

public java.lang.String toString()

returns a string representation of this object

Overrides:

toString in class java.lang.Object

Returns:

a string representation

getMixtureComponents

public MixtureComponent[] getMixtureComponents()

Description copied from interface: HMMState

Returns the mixture components associated with this Gaussian

Specified by:

getMixtureComponents in interface HMMState

Returns:

the array of mixture components

getMixtureId

public long getMixtureId()

Description copied from interface: HMMState

Gets the id of the mixture

Specified by:

getMixtureId in interface HMMState

Returns:

the id

getLogMixtureWeights

public float[] getLogMixtureWeights()

Specified by:

getLogMixtureWeights in interface HMMState

Returns:

the mixture weights vector