edu.cmu.sphinx.linguist.acoustic

Interface HMMState

All Known Implementing Classes:

SenoneHMMState

public interface HMMState

Represents a single state in an HMM

Method Summary

Modifier and Type	Method and Description
float[]	calculateComponentScore(Data data)
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 data) Gets the score for this HMM state
int	getState() Gets the state
HMMStateArc[]	getSuccessors() Retrieves the state of successor states 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

Method Detail

getHMM

HMM getHMM()

Gets the HMM associated with this state

Returns:

the HMM

getMixtureComponents

MixtureComponent[] getMixtureComponents()

Returns the mixture components associated with this Gaussian

Returns:

the array of mixture components

getMixtureId

long getMixtureId()

Gets the id of the mixture

Returns:

the id

getLogMixtureWeights

float[] getLogMixtureWeights()

Returns:

the mixture weights vector

getState

int getState()

Gets the state

Returns:

the state

getScore

float getScore(Data data)

Gets the score for this HMM state

Parameters:

data - the data to be scored

Returns:

the acoustic score for this state.

calculateComponentScore

float[] calculateComponentScore(Data data)

isEmitting

boolean isEmitting()

Determines if this HMMState is an emitting state

Returns:

true if the state is an emitting state

getSuccessors

HMMStateArc[] getSuccessors()

Retrieves the state of successor states for this state

Returns:

the set of successor state arcs

isExitState

boolean isExitState()

Determines if this state is an exit state of the HMM

Returns:

true if the state is an exit state