edu.cmu.sphinx.frontend.filter
Class Dither

java.lang.Object
  edu.cmu.sphinx.util.props.ConfigurableAdapter
      edu.cmu.sphinx.frontend.BaseDataProcessor
          edu.cmu.sphinx.frontend.filter.Dither

All Implemented Interfaces:

DataProcessor, Configurable

public class Dither
extends BaseDataProcessor

Implements a dither for the incoming packet. The small random noise is added to the signal to avoid floating point errors and prevent the energy from being zero.

Other Dataobjects are passed along unchanged through this Dither processor.

Constructor Summary

Dither()

Method Summary

Data	getData() Returns the next Data object being processed by this Dither, or if it is a Signal, it is returned without modification.
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

Constructor Detail

Dither

public Dither()

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 next Data object being processed by this Dither, or if it is a Signal, it is returned without modification.

Specified by:

getData in interface DataProcessor

Specified by:

getData in class BaseDataProcessor

Returns:

the next available Data object, returns null if no Data object is available

Throws:

DataProcessingException - if there is a processing error

See Also:

Data