net.beadsproject.beads.analysis.featureextractors

Class Frequency

java.lang.Object

net.beadsproject.beads.core.Bead

net.beadsproject.beads.analysis.FeatureExtractor<java.lang.Float,float[]>

net.beadsproject.beads.analysis.featureextractors.Frequency

public class Frequency
extends FeatureExtractor<java.lang.Float,float[]>

Frequency processes spectral data forwarded to it by a PowerSpectrum to determine the best estimate for the frequency of the current signal.

Field Summary

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

featureDescriptions, features, name, numFeatures

Constructor Summary

Constructors

Constructor and Description
Frequency(float sampleRate) Instantiates a new Frequency.

Method Summary

Modifier and Type	Method and Description
java.lang.String[]	getFeatureDescriptions() Gets the feature descriptions.
void	process(TimeStamp startTime, TimeStamp endTime, float[] powerSpectrum) Process some data of type P (specified by the class def).

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

addListener, forward, getFeatures, getName, getNumberOfFeatures, removeListener, setName, setNumberOfFeatures

Methods inherited from class net.beadsproject.beads.core.Bead

getKillListener, isDeleted, isPaused, kill, message, messageReceived, pause, setKillListener, start, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Frequency

public Frequency(float sampleRate)

Instantiates a new Frequency.

Parameters:

sampleRate - The sample rate of the audio context

Method Detail

process

public void process(TimeStamp startTime,
                    TimeStamp endTime,
                    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<java.lang.Float,float[]>

powerSpectrum - the data.

getFeatureDescriptions

public java.lang.String[] getFeatureDescriptions()

Description copied from class: FeatureExtractor

Gets the feature descriptions. Implementing classes should make sure that this array has meaningful content.

Overrides:

getFeatureDescriptions in class FeatureExtractor<java.lang.Float,float[]>

Returns:

the feature descriptions.