marytts.unitselection.select

Class UnitSelector

java.lang.Object

marytts.unitselection.select.UnitSelector

Direct Known Subclasses:

DiphoneUnitSelector, HalfPhoneUnitSelector

public class UnitSelector
extends Object

Selects the units for an utterance

Author:

Marc Schröder

Field Summary

Fields

Modifier and Type	Field and Description
protected int	beamSize
protected UnitDatabase	database
protected org.apache.log4j.Logger	logger
protected float	sCostWeight
protected float	targetCostWeight

Constructor Summary

Constructors

Constructor and Description
UnitSelector() Initialise the unit selector.

Method Summary

Methods

Modifier and Type	Method and Description
protected List<Target>	createTargets(List<Element> segmentsAndBoundaries) Create the list of targets from the XML elements to synthesize.
static String	getPhoneSymbol(Element segmentOrBoundary)
void	load(UnitDatabase unitDatabase, float targetCostWeight, float sCostWeight, int beamSize)
void	load(UnitDatabase unitDatabase, float targetCostWeight, int beamSize)
List<SelectedUnit>	selectUnits(List<Element> tokensAndBoundaries, Voice voice) Select the units for the targets in the given list of tokens and boundaries.

Methods inherited from class java.lang.Object

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

Field Detail

database

protected UnitDatabase database

logger

protected org.apache.log4j.Logger logger

targetCostWeight

protected float targetCostWeight

sCostWeight

protected float sCostWeight

beamSize

protected int beamSize

Constructor Detail

UnitSelector

public UnitSelector()
             throws Exception

Initialise the unit selector. Need to call load() separately.

Throws:

Exception - Exception

See Also:

load(UnitDatabase unitDatabase, float targetCostWeight, int beamSize)

Method Detail

load

public void load(UnitDatabase unitDatabase,
        float targetCostWeight,
        int beamSize)

load

public void load(UnitDatabase unitDatabase,
        float targetCostWeight,
        float sCostWeight,
        int beamSize)

selectUnits

public List<SelectedUnit> selectUnits(List<Element> tokensAndBoundaries,
                             Voice voice)
                               throws SynthesisException

Select the units for the targets in the given list of tokens and boundaries. Collect them in a list and return it.

Parameters:

tokensAndBoundaries - the token and boundary MaryXML elements representing an utterance.

voice - the voice with which to synthesize

Returns:

a list of SelectedUnit objects

Throws:

SynthesisException - if no path for generating the target utterance could be found

createTargets

protected List<Target> createTargets(List<Element> segmentsAndBoundaries)

Create the list of targets from the XML elements to synthesize.

Parameters:

segmentsAndBoundaries - a list of MaryXML phone and boundary elements

Returns:

a list of Target objects

getPhoneSymbol

public static String getPhoneSymbol(Element segmentOrBoundary)