uk.co.simphoney.audio.dft
Class FFTSpectrogramDataBuilder

java.lang.Object
  uk.co.simphoney.audio.dft.FFTSpectrogramDataBuilder

All Implemented Interfaces:

ChunkReaderProcess

public class FFTSpectrogramDataBuilder
extends java.lang.Object
implements ChunkReaderProcess

Creates a spectrogram from a DoubleDataSource Observers are notified when data changes (during build) SizeObserver are notify when the number of frequency bins is changed.

Author:

pjl

Constructor Summary

FFTSpectrogramDataBuilder()

Method Summary

int	getBinCount()
rasmus.interpreter.sampled.util.FFT	getFFT()
float[]	getFreqArray()
double	getSampleRate()
double[]	process(double[] fftInOut)
void	setParameters(int fftsize)

Methods inherited from class java.lang.Object

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

Constructor Detail

FFTSpectrogramDataBuilder

public FFTSpectrogramDataBuilder()

Parameters:

minF -

nOctave -

binsPerOctave -

Method Detail

setParameters

public void setParameters(int fftsize)

Specified by:

setParameters in interface ChunkReaderProcess

getBinCount

public int getBinCount()

Specified by:

getBinCount in interface ChunkReaderProcess

process

public double[] process(double[] fftInOut)

Specified by:

process in interface ChunkReaderProcess

getFreqArray

public float[] getFreqArray()

Specified by:

getFreqArray in interface ChunkReaderProcess

getSampleRate

public double getSampleRate()

getFFT

public rasmus.interpreter.sampled.util.FFT getFFT()

Specified by:

getFFT in interface ChunkReaderProcess