done.inpro.system.completion
Class TurnCompleter

java.lang.Object
  inpro.incremental.PushBuffer
      inpro.incremental.IUModule
          done.inpro.system.completion.TurnCompleter

All Implemented Interfaces:

edu.cmu.sphinx.instrumentation.Resetable, edu.cmu.sphinx.util.props.Configurable, FrameAware

public class TurnCompleter
extends IUModule
implements FrameAware

Nested Class Summary

static interface	TurnCompleter.CompletionAdapter
private class	TurnCompleter.CompletionEvalAdapter
private class	TurnCompleter.CompletionPlayer completions will only be played if they don't start with a pause

Nested classes/interfaces inherited from class inpro.incremental.IUModule

IUModule.RightBuffer

Field Summary

private IUList<WordIU>	committedWords history of words that have previously been recognized
private java.util.List<TurnCompleter.CompletionAdapter>	compAdapters
(package private) int	currentFrame
(package private) CompletionInstallmentIU.FuzzyMatchResult	fmatch fuzzy match of the full input against the expected full installment
(package private) java.util.List<WordIU>	fullInput full user input at one point in time: words that have been committed + currently hypothesized words
private CompletionInstallmentIU	fullInstallment
private static double	OUTPUT_BUFFER_DELAY in seconds, very rough estimate
static java.lang.String	PROP_DISPATCHER
static java.lang.String	PROP_EVALUATOR
static java.lang.String	PROP_FULL_UTTERANCE
private java.util.HashSet<WordIU>	wordsTriggered words from fullInstallment that have been output are stored here

Fields inherited from class inpro.incremental.IUModule

iulisteners, logger, PROP_HYP_CHANGE_LISTENERS, PROP_LOG_TO_TEDVIEW, PROP_TEDVIEW_LOG_ADDRESS, PROP_TEDVIEW_LOG_PORT, rightBuffer, tedLogAdapter

Constructor Summary

TurnCompleter()

Method Summary

private void	doComplete()
private double	estimateSpeechRate() estimate the correction factor relative to the TTS's speech rate
private double	extrapolateStart(double estimatedSpeechRate) extrapolate the start time of the next word from a list of previously spoken words
private static double	getDurationWithoutPauses(java.util.List<WordIU> words) time spanned by all non-silent words
private boolean	hasFiredForTrigger() find out whether we have already fired for a word, to avoid stuttering; initial experiments shows that the first prediction for a word is as good as any later prediction so there's no value in trying repeatedly
private static <T> T	lastElement(java.util.List<T> list) utility which unfortunately is not part of java.util.
protected void	leftBufferUpdate(java.util.Collection<? extends IU> ius, java.util.List<? extends EditMessage<? extends IU>> edits) the method that IU modules must implement
void	newProperties(edu.cmu.sphinx.util.props.PropertySheet ps)
void	setCurrentFrame(int frame)
private boolean	shouldFire() determine whether we should complete the utterance based on the words heard so far

Methods inherited from class inpro.incremental.IUModule

getTime, hypChange, logToTedView

Methods inherited from class inpro.incremental.PushBuffer

reset

Methods inherited from class java.lang.Object

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

Field Detail

PROP_DISPATCHER

@S4Component(type=DispatchStream.class,
             mandatory=false)
public static final java.lang.String PROP_DISPATCHER

See Also:

Constant Field Values

PROP_EVALUATOR

@S4Component(type=CompletionEvaluator.class,
             mandatory=false)
public static final java.lang.String PROP_EVALUATOR

See Also:

Constant Field Values

compAdapters

private java.util.List<TurnCompleter.CompletionAdapter> compAdapters

PROP_FULL_UTTERANCE

@S4String(defaultValue="eins zwei drei vier f\u00fcnf sechs sieben")
public static final java.lang.String PROP_FULL_UTTERANCE

See Also:

Constant Field Values

OUTPUT_BUFFER_DELAY

private static double OUTPUT_BUFFER_DELAY

in seconds, very rough estimate

fullInstallment

private CompletionInstallmentIU fullInstallment

committedWords

private IUList<WordIU> committedWords

history of words that have previously been recognized

fullInput

java.util.List<WordIU> fullInput

full user input at one point in time: words that have been committed + currently hypothesized words

fmatch

CompletionInstallmentIU.FuzzyMatchResult fmatch

fuzzy match of the full input against the expected full installment

wordsTriggered

private java.util.HashSet<WordIU> wordsTriggered

words from fullInstallment that have been output are stored here

currentFrame

int currentFrame

Constructor Detail

TurnCompleter

public TurnCompleter()

Method Detail

newProperties

public void newProperties(edu.cmu.sphinx.util.props.PropertySheet ps)
                   throws edu.cmu.sphinx.util.props.PropertyException

Specified by:

newProperties in interface edu.cmu.sphinx.util.props.Configurable

Overrides:

newProperties in class IUModule

Throws:

edu.cmu.sphinx.util.props.PropertyException

leftBufferUpdate

protected void leftBufferUpdate(java.util.Collection<? extends IU> ius,
                                java.util.List<? extends EditMessage<? extends IU>> edits)

Description copied from class: IUModule

the method that IU modules must implement

Specified by:

leftBufferUpdate in class IUModule

Parameters:

ius - list of IUs that make up the current hypothesis

edits - a list of edits since the last call

shouldFire

private boolean shouldFire()

determine whether we should complete the utterance based on the words heard so far

hasFiredForTrigger

private boolean hasFiredForTrigger()

find out whether we have already fired for a word, to avoid stuttering; initial experiments shows that the first prediction for a word is as good as any later prediction so there's no value in trying repeatedly

doComplete

private void doComplete()

extrapolateStart

private double extrapolateStart(double estimatedSpeechRate)

extrapolate the start time of the next word from a list of previously spoken words

estimateSpeechRate

private double estimateSpeechRate()

estimate the correction factor relative to the TTS's speech rate

getDurationWithoutPauses

private static double getDurationWithoutPauses(java.util.List<WordIU> words)

time spanned by all non-silent words

setCurrentFrame

public void setCurrentFrame(int frame)

Specified by:

setCurrentFrame in interface FrameAware

lastElement

private static <T> T lastElement(java.util.List<T> list)

utility which unfortunately is not part of java.util.