org.datavec.audio.dsp

Class FastFourierTransform

java.lang.Object

org.datavec.audio.dsp.FastFourierTransform

public class FastFourierTransform
extends java.lang.Object

FFT object, transform amplitudes to frequency intensities

Constructor Summary

Constructors

Constructor and Description
FastFourierTransform()

Method Summary

Modifier and Type	Method and Description
double[]	getMagnitudes(double[] amplitudes) Get the frequency intensities

Methods inherited from class java.lang.Object

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

Constructor Detail

FastFourierTransform

public FastFourierTransform()

Method Detail

getMagnitudes

public double[] getMagnitudes(double[] amplitudes)

Get the frequency intensities

Parameters:

amplitudes - amplitudes of the signal

Returns:

intensities of each frequency unit: mag[frequency_unit]=intensity