net.beadsproject.beads.analysis.featureextractors
Class SpectralCentroid

java.lang.Object
  net.beadsproject.beads.analysis.FeatureExtractor<float[],float[]>
      net.beadsproject.beads.analysis.featureextractors.SpectralCentroid

public class SpectralCentroid
extends FeatureExtractor<float[],float[]>

SpectralCentroid calculates the spectral centroid of a signal. It should be set up to listen to a PowerSpectrum object.

Field Summary

Fields inherited from class net.beadsproject.beads.analysis.FeatureExtractor

featureDescriptions, features, name, numFeatures

Constructor Summary

SpectralCentroid(float sampleRate)
Instantiates a new SpectralCentroid.

Method Summary

void	process(float[] powerSpectrum) Process some data of type P (specified by the class def).
void	setNumFeatures(int numFeatures)

Methods inherited from class net.beadsproject.beads.analysis.FeatureExtractor

getFeatureDescriptions, getFeatures, getName, getNumberOfFeatures, setName, setNumberOfFeatures

Methods inherited from class java.lang.Object

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

Constructor Detail

SpectralCentroid

public SpectralCentroid(float sampleRate)

Instantiates a new SpectralCentroid.

Parameters:

sampleRate - the sample rate in samples per second.

Method Detail

process

public void process(float[] powerSpectrum)

Description copied from class: FeatureExtractor

Process some data of type P (specified by the class def). This method must be overidden by implementing classes.

Specified by:

process in class FeatureExtractor<float[],float[]>

Parameters:

powerSpectrum - the data.

setNumFeatures

public void setNumFeatures(int numFeatures)