heronarts.lx.audio

Class FourierTransform

java.lang.Object

heronarts.lx.audio.FourierTransform

public class FourierTransform
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static float	BASE_BAND_HZ
static int	DEFAULT_NUM_BANDS
static float	LOG_2

Constructor Summary

Constructors

Constructor and Description
FourierTransform(int bufferSize, int sampleRate)

Method Summary

Modifier and Type	Method and Description
FourierTransform	compute(float[] samples)
float	get(int i)
float	getAverage(float minHz, float maxHz)
float	getBand(int i)
float	getBandOctaveRatio()
int	getNumBands()
int	getSampleRate()
int	getSize()
FourierTransform	setNumBands(int numBands)
FourierTransform	setWindow(heronarts.lx.audio.FourierTransform.Window window)

Methods inherited from class java.lang.Object

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

Field Detail

LOG_2

public static final float LOG_2

BASE_BAND_HZ

public static final float BASE_BAND_HZ

See Also:

Constant Field Values

DEFAULT_NUM_BANDS

public static final int DEFAULT_NUM_BANDS

See Also:

Constant Field Values

Constructor Detail

FourierTransform

public FourierTransform(int bufferSize,
                        int sampleRate)

Method Detail

getSize

public int getSize()

getSampleRate

public int getSampleRate()

setWindow

public FourierTransform setWindow(heronarts.lx.audio.FourierTransform.Window window)

compute

public FourierTransform compute(float[] samples)

get

public float get(int i)

setNumBands

public FourierTransform setNumBands(int numBands)

getNumBands

public int getNumBands()

getBandOctaveRatio

public float getBandOctaveRatio()

getBand

public float getBand(int i)

getAverage

public float getAverage(float minHz,
                        float maxHz)