inpro.sphinx.instrumentation
Class LabelWriter

java.lang.Object
  inpro.sphinx.instrumentation.LabelWriter

All Implemented Interfaces:

edu.cmu.sphinx.decoder.ResultListener, edu.cmu.sphinx.instrumentation.Monitor, edu.cmu.sphinx.instrumentation.Resetable, edu.cmu.sphinx.recognizer.StateListener, edu.cmu.sphinx.util.props.Configurable, java.util.EventListener

Direct Known Subclasses:

TEDviewNotifier

public class LabelWriter
extends java.lang.Object
implements edu.cmu.sphinx.util.props.Configurable, edu.cmu.sphinx.decoder.ResultListener, edu.cmu.sphinx.instrumentation.Resetable, edu.cmu.sphinx.recognizer.StateListener, edu.cmu.sphinx.instrumentation.Monitor

inspects the current results and writes the phone-alignment to stdout or to a file

Field Summary

private java.lang.String	fileBaseName
private boolean	fileOutput
protected boolean	finalResult
(package private) int	fixedLag
protected boolean	intermediateResults
private int	nBest
protected boolean	phoneAlignment
private java.io.PrintStream	phoneAlignmentStream
static java.lang.String	PROP_FILE_BASE_NAME
static java.lang.String	PROP_FILE_OUTPUT
static java.lang.String	PROP_FINAL_RESULT
static java.lang.String	PROP_FIXED_LAG
static java.lang.String	PROP_INTERMEDIATE_RESULTS
static java.lang.String	PROP_N_BEST
static java.lang.String	PROP_PHONE_ALIGNMENT
static java.lang.String	PROP_RECOGNIZER A Sphinx property that defines which recognizer to monitor
static java.lang.String	PROP_STEP_WIDTH
static java.lang.String	PROP_WORD_ALIGNMENT
private edu.cmu.sphinx.recognizer.Recognizer	recognizer
protected int	step counts the number of recognition steps
protected int	stepWidth
protected boolean	wordAlignment
private java.io.PrintStream	wordAlignmentStream

Constructor Summary

LabelWriter()

Method Summary

private static java.util.List<edu.cmu.sphinx.decoder.search.Token>	getAllBestTokens(edu.cmu.sphinx.result.Result result) get all tokens on the best path
protected static java.util.List<edu.cmu.sphinx.decoder.search.Token>	getBestPhoneTokens(edu.cmu.sphinx.decoder.search.Token token) get the phone-tokens on the best path
protected java.util.List<edu.cmu.sphinx.decoder.search.Token>	getBestWordTokens(edu.cmu.sphinx.decoder.search.Token token) get the word-tokens on the best path
void	newProperties(edu.cmu.sphinx.util.props.PropertySheet ps)
void	newResult(edu.cmu.sphinx.result.Result result)
void	reset()
private java.io.PrintStream	setStream(java.lang.String extension)
void	statusChanged(edu.cmu.sphinx.recognizer.Recognizer.State status)
static java.lang.String	tokenListToAlignment(java.util.List<edu.cmu.sphinx.decoder.search.Token> list, int lastFrame) convert a token list to an alignment string
private java.lang.String	writeAlignment(java.util.List<edu.cmu.sphinx.decoder.search.Token> list, java.io.PrintStream stream, boolean timestamp) write labels of aligned segments or words to stream <!

Methods inherited from class java.lang.Object

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

Field Detail

PROP_RECOGNIZER

@S4Component(type=edu.cmu.sphinx.recognizer.Recognizer.class)
public static final java.lang.String PROP_RECOGNIZER

A Sphinx property that defines which recognizer to monitor

See Also:

Constant Field Values

PROP_INTERMEDIATE_RESULTS

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

See Also:

Constant Field Values

PROP_FINAL_RESULT

@S4Boolean(defaultValue=true)
public static final java.lang.String PROP_FINAL_RESULT

See Also:

Constant Field Values

PROP_STEP_WIDTH

@S4Integer(defaultValue=1)
public static final java.lang.String PROP_STEP_WIDTH

See Also:

Constant Field Values

PROP_WORD_ALIGNMENT

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

See Also:

Constant Field Values

PROP_PHONE_ALIGNMENT

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

See Also:

Constant Field Values

PROP_FILE_OUTPUT

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

See Also:

Constant Field Values

PROP_FILE_BASE_NAME

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

See Also:

Constant Field Values

PROP_N_BEST

@S4Integer(defaultValue=1)
public static final java.lang.String PROP_N_BEST

See Also:

Constant Field Values

PROP_FIXED_LAG

@S4Integer(defaultValue=0)
public static final java.lang.String PROP_FIXED_LAG

See Also:

Constant Field Values

fixedLag

int fixedLag

recognizer

private edu.cmu.sphinx.recognizer.Recognizer recognizer

intermediateResults

protected boolean intermediateResults

finalResult

protected boolean finalResult

fileOutput

private boolean fileOutput

fileBaseName

private java.lang.String fileBaseName

nBest

private int nBest

wordAlignment

protected boolean wordAlignment

phoneAlignment

protected boolean phoneAlignment

wordAlignmentStream

private java.io.PrintStream wordAlignmentStream

phoneAlignmentStream

private java.io.PrintStream phoneAlignmentStream

step

protected int step

counts the number of recognition steps

stepWidth

protected int stepWidth

Constructor Detail

LabelWriter

public LabelWriter()

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

Throws:

edu.cmu.sphinx.util.props.PropertyException

reset

public void reset()

Specified by:

reset in interface edu.cmu.sphinx.instrumentation.Resetable

setStream

private java.io.PrintStream setStream(java.lang.String extension)

getBestWordTokens

protected java.util.List<edu.cmu.sphinx.decoder.search.Token> getBestWordTokens(edu.cmu.sphinx.decoder.search.Token token)

get the word-tokens on the best path

Parameters:

token - the result to analyse

Returns:

List of word tokens on the best path

getBestPhoneTokens

protected static java.util.List<edu.cmu.sphinx.decoder.search.Token> getBestPhoneTokens(edu.cmu.sphinx.decoder.search.Token token)

get the phone-tokens on the best path

Parameters:

token - the result to analyse

Returns:

List of phone tokens on the best path

getAllBestTokens

private static java.util.List<edu.cmu.sphinx.decoder.search.Token> getAllBestTokens(edu.cmu.sphinx.result.Result result)

get all tokens on the best path

Parameters:

result - the result to analyse

Returns:

List of all tokens on the best path

tokenListToAlignment

public static java.lang.String tokenListToAlignment(java.util.List<edu.cmu.sphinx.decoder.search.Token> list,
                                                    int lastFrame)

convert a token list to an alignment string

Parameters:

list - list of tokens

writeAlignment

private java.lang.String writeAlignment(java.util.List<edu.cmu.sphinx.decoder.search.Token> list,
                                        java.io.PrintStream stream,
                                        boolean timestamp)

write labels of aligned segments or words to stream <!--if it differs from lastAlignment-->

Parameters:

list -

stream -

timestamp -

newResult

public void newResult(edu.cmu.sphinx.result.Result result)

Specified by:

newResult in interface edu.cmu.sphinx.decoder.ResultListener

statusChanged

public void statusChanged(edu.cmu.sphinx.recognizer.Recognizer.State status)

Specified by:

statusChanged in interface edu.cmu.sphinx.recognizer.StateListener