org.openimaj.demos.sandbox.audio

Class SpeechDetectorTrainer.MFCCFeatureExtractor

java.lang.Object

org.openimaj.demos.sandbox.audio.SpeechDetectorTrainer.MFCCFeatureExtractor

All Implemented Interfaces:

FeatureExtractor<DoubleFV,SampleChunk>

Enclosing class:

SpeechDetectorTrainer

protected static class SpeechDetectorTrainer.MFCCFeatureExtractor
extends Object
implements FeatureExtractor<DoubleFV,SampleChunk>

Feature extractor for extracting MFCC features from a sample chunk. It assumes the sample chunk is mono, and will only return the MFCC features from the first channel.

Author:

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

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	MFCCFeatureExtractor()

Method Summary

Modifier and Type	Method and Description
DoubleFV	extractFeature(SampleChunk object) Extract features from an object and return them.

Methods inherited from class java.lang.Object

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

Constructor Detail

MFCCFeatureExtractor

protected MFCCFeatureExtractor()

Method Detail

extractFeature

public DoubleFV extractFeature(SampleChunk object)

Description copied from interface: FeatureExtractor

Extract features from an object and return them.

Specified by:

extractFeature in interface FeatureExtractor<DoubleFV,SampleChunk>

Parameters:

object - the object to extract from

Returns:

the extracted feature