org.openimaj.demos.sandbox.audio

Class OpenIMAJAudioFileDataSource

java.lang.Object

edu.cmu.sphinx.util.props.ConfigurableAdapter

edu.cmu.sphinx.frontend.BaseDataProcessor

org.openimaj.demos.sandbox.audio.OpenIMAJAudioFileDataSource

All Implemented Interfaces:

edu.cmu.sphinx.frontend.DataProcessor, edu.cmu.sphinx.util.props.Configurable

public class OpenIMAJAudioFileDataSource
extends edu.cmu.sphinx.frontend.BaseDataProcessor

A wrapper that allows OpenIMAJ audio objects to be used as input to a Sphinx4 speech recogniser.

Author:

David Dupplaw (dpd@ecs.soton.ac.uk)

Field Summary

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

logger

Constructor Summary

Constructors

Constructor and Description
OpenIMAJAudioFileDataSource() Default constructor
OpenIMAJAudioFileDataSource(AudioStream as) Construct an OpenIMAJ audio wrapper for Sphinx

Method Summary

Modifier and Type	Method and Description
edu.cmu.sphinx.frontend.Data	getData() Reads data from the OpenIMAJ stream and creates Data packets for Sphinx.
void	setAudioFile(File f) Set the audio file to read.
void	setAudioFile(URL url) Set the audio file to read.
void	setAudioStream(AudioStream as) Set the audio stream from which to read data.

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

getPredecessor, getTimer, initialize, setPredecessor

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

getName, initLogger, newProperties, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface edu.cmu.sphinx.util.props.Configurable

newProperties

Constructor Detail

OpenIMAJAudioFileDataSource

public OpenIMAJAudioFileDataSource()

Default constructor

OpenIMAJAudioFileDataSource

public OpenIMAJAudioFileDataSource(AudioStream as)

Construct an OpenIMAJ audio wrapper for Sphinx

Parameters:

as - The audio stream to wrap

Method Detail

getData

public edu.cmu.sphinx.frontend.Data getData()
                                     throws edu.cmu.sphinx.frontend.DataProcessingException

Reads data from the OpenIMAJ stream and creates Data packets for Sphinx. Creates a DataStartSignal and DataEndSignal at the beginning and end of the stream.

Specified by:

getData in interface edu.cmu.sphinx.frontend.DataProcessor

Specified by:

getData in class edu.cmu.sphinx.frontend.BaseDataProcessor

Throws:

edu.cmu.sphinx.frontend.DataProcessingException

See Also:

edu.cmu.sphinx.frontend.util.AudioFileDataSource#getData()

setAudioFile

public void setAudioFile(URL url)

Set the audio file to read. Will instantiate a XuggleAudio to stream the data from.

Parameters:

url - The audio file location

setAudioFile

public void setAudioFile(File f)

Set the audio file to read. Will instantiate a XuggleAudio to stream the data from.

Parameters:

f - The audio file location

setAudioStream

public void setAudioStream(AudioStream as)

Set the audio stream from which to read data.

Parameters:

as - The audio stream.