edu.cmu.sphinx.frontend.endpoint
Class ExcessiveNonSpeechPruner

java.lang.Object
  edu.cmu.sphinx.util.props.ConfigurableAdapter
      edu.cmu.sphinx.frontend.BaseDataProcessor
          edu.cmu.sphinx.frontend.endpoint.ExcessiveNonSpeechPruner

All Implemented Interfaces:

DataProcessor, Configurable

public class ExcessiveNonSpeechPruner
extends BaseDataProcessor

Removes excessive non-speech-segments from a speech stream. Compared with NonSpeechDatatFilter this component does not remove all non-speech frames. It just reduces the non-speech parts to a user defined length.

See Also:

SpeechMarker, NonSpeechDataFilter

Field Summary

static java.lang.String

PROP_MAX_NON_SPEECH_TIME_MS The Sphinx Property for the maximum amount of (subsequent) none-speech time (in ms) to be preserved in the speech stream.

Constructor Summary

ExcessiveNonSpeechPruner()

ExcessiveNonSpeechPruner(int maxNonSpeechTime)

Method Summary

int	getAudioTime(Data data) Returns the amount of audio data in milliseconds in the given SpeechClassifiedData object.
Data	getData() Returns the processed Data output.
void	newProperties(PropertySheet ps) This method is called when this configurable component needs to be reconfigured.

Methods inherited from class edu.cmu.sphinx.frontend.BaseDataProcessor

getPredecessor, getTimer, initialize, setPredecessor

Methods inherited from class edu.cmu.sphinx.util.props.ConfigurableAdapter

getName, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

PROP_MAX_NON_SPEECH_TIME_MS

@S4Integer(defaultValue=2147483647)
public static final java.lang.String PROP_MAX_NON_SPEECH_TIME_MS

The Sphinx Property for the maximum amount of (subsequent) none-speech time (in ms) to be preserved in the speech stream.

See Also:

Constant Field Values

Constructor Detail

ExcessiveNonSpeechPruner

public ExcessiveNonSpeechPruner(int maxNonSpeechTime)

ExcessiveNonSpeechPruner

public ExcessiveNonSpeechPruner()

Method Detail

newProperties

public void newProperties(PropertySheet ps)
                   throws PropertyException

Description copied from interface: Configurable

This method is called when this configurable component needs to be reconfigured.

Specified by:

newProperties in interface Configurable

Overrides:

newProperties in class ConfigurableAdapter

Parameters:

ps - a property sheet holding the new data

Throws:

PropertyException - if there is a problem with the properties.

getData

public Data getData()
             throws DataProcessingException

Returns the processed Data output.

Specified by:

getData in interface DataProcessor

Specified by:

getData in class BaseDataProcessor

Returns:

an Data object that has been processed by this DataProcessor

Throws:

DataProcessingException - if a data processor error occurs

getAudioTime

public int getAudioTime(Data data)

Returns the amount of audio data in milliseconds in the given SpeechClassifiedData object.

Parameters:

data - the SpeechClassifiedData object

Returns:

the amount of audio data in milliseconds