net.beadsproject.beads.analysis.featureextractors

Class Power

java.lang.Object

net.beadsproject.beads.core.Bead

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

net.beadsproject.beads.analysis.featureextractors.Power

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

Power calculates the RMS power over a frame directly from an audio signal.

Field Summary

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

featureDescriptions, features, name, numFeatures

Constructor Summary

Constructors

Constructor and Description
Power() Instantiates a new Power.

Method Summary

Modifier and Type	Method and Description
java.lang.String[]	getFeatureDescriptions() Gets the feature descriptions.
int	getNumberOfFeatures() Gets the number of features.
void	process(TimeStamp startTime, TimeStamp endTime, float[] audioData) Process some data of type P (specified by the class def).
void	setNumberOfFeatures(int numFeatures) Sets the number of features.

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

addListener, forward, getFeatures, getName, removeListener, setName

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

Power

public Power()

Instantiates a new Power.

Method Detail

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.

getNumberOfFeatures

public int getNumberOfFeatures()

Description copied from class: FeatureExtractor

Gets the number of features.

Overrides:

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

Returns:

the number of features.

setNumberOfFeatures

public void setNumberOfFeatures(int numFeatures)

Description copied from class: FeatureExtractor

Sets the number of features.

Overrides:

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

Parameters:

numFeatures - the new number of features.

process

public void process(TimeStamp startTime,
                    TimeStamp endTime,
                    float[] audioData)

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[]>

audioData - the data.