Class FastFourierTransform

Namespace

NAudio.Dsp

Assembly

NAudio.Core.dll

Summary description for FastFourierTransform.

public static class FastFourierTransform

Inheritance

object

FastFourierTransform

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Methods

BlackmanHarrisWindow(int, int)

Applies a Blackman-Harris Window

public static double BlackmanHarrisWindow(int n, int frameSize)

Parameters

n int

Index into frame

frameSize int

Frame size (e.g. 1024)

Returns

double

Multiplier for Blackman-Harris window

FFT(bool, int, Complex[])

This computes an in-place complex-to-complex FFT x and y are the real and imaginary arrays of 2^m points.

public static void FFT(bool forward, int m, Complex[] data)

Parameters

forward bool

m int

data Complex[]

FFT(bool, int, Span<Complex>)

This computes an in-place complex-to-complex FFT over the first 2^m elements of the span.

public static void FFT(bool forward, int m, Span<Complex> data)

Parameters

forward bool

m int

data Span<Complex>

HammingWindow(int, int)

Applies a Hamming Window

public static double HammingWindow(int n, int frameSize)

Parameters

n int

Index into frame

frameSize int

Frame size (e.g. 1024)

Returns

double

Multiplier for Hamming window

HannWindow(int, int)

Applies a Hann Window

public static double HannWindow(int n, int frameSize)

Parameters

n int

Index into frame

frameSize int

Frame size (e.g. 1024)

Returns

double

Multiplier for Hann window