org.openimaj.audio.features

Class MagnitudeSpectrum

java.lang.Object

org.openimaj.audio.Audio

org.openimaj.audio.AudioStream

org.openimaj.audio.processor.AudioProcessor

org.openimaj.audio.features.JAudioFeatureExtractor

org.openimaj.audio.features.MagnitudeSpectrum

All Implemented Interfaces:

Iterable<SampleChunk>, FeatureExtractor<DoubleFV,SampleChunk>

public class MagnitudeSpectrum
extends JAudioFeatureExtractor

A wrapper around the JAudio magnitude spectrum feature extractor.

Version:

$Author$, $Revision$, $Date$

Author:

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

Created:

23 May 2013

Field Summary

Fields inherited from class org.openimaj.audio.features.JAudioFeatureExtractor

featureExtractor

Fields inherited from class org.openimaj.audio.Audio

format

Constructor Summary

Constructors

Constructor and Description
MagnitudeSpectrum() Default constructor

Method Summary

Modifier and Type	Method and Description
double[][]	getExtraInputs(double[] samples, double sampleRate) Returns the extra inputs required by a specific feature extractor

Methods inherited from class org.openimaj.audio.features.JAudioFeatureExtractor

extractFeature, getLastCalculatedFeature, process, process, process, process, setLastCalculatedFeature

Methods inherited from class org.openimaj.audio.processor.AudioProcessor

getLength, getUnderlyingStream, nextSampleChunk, process, processingComplete, reset, setUnderlyingStream

Methods inherited from class org.openimaj.audio.AudioStream

iterator, seek

Methods inherited from class org.openimaj.audio.Audio

getFormat, setFormat

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

MagnitudeSpectrum

public MagnitudeSpectrum()

Default constructor

Method Detail

getExtraInputs

public double[][] getExtraInputs(double[] samples,
                                 double sampleRate)

Returns the extra inputs required by a specific feature extractor

Specified by:

getExtraInputs in class JAudioFeatureExtractor

Parameters:

samples - The samples for a single channel

sampleRate - The sample rate of the data

Returns:

The extra input

See Also:

JAudioFeatureExtractor.getExtraInputs(double[], double)