C# Class GAudio.FFTModule

A Monobehaviour component that enables inspecotr friendly configuration of FFT processing, including windowing of the original data and formatting of the output.
Inheritance: UnityEngine.MonoBehaviour
Show file Open project: gregzo/G-Audio

Public Properties

Property Type Description
customFftSize int
fftSize FFTSize
fromFrequency int
output FFTOutput
toFrequency int
useWindowFunction bool
window WindowFunction

Public Methods

Method Description
Awake ( ) : void
ComputeDB ( float data ) : void
ComputeMagnitudes ( float data ) : void
ComputeSquareMagnitudes ( float data ) : void
RealFFT ( float data ) : void

Performs windowed in place real FFT of the passed data array, reusing a cached array for the imaginary part. Formats the specified frequency bins according to FFTOutput.
SetWindow ( WindowFunction windowFunction ) : void

Sets and pre-computes the specified WindowFunction for faster processing.

Method Details

Awake() public method

public Awake ( ) : void
return void

ComputeDB() public method

public ComputeDB ( float data ) : void
data float
return void

ComputeMagnitudes() public method

public ComputeMagnitudes ( float data ) : void
data float
return void

ComputeSquareMagnitudes() public method

public ComputeSquareMagnitudes ( float data ) : void
data float
return void

RealFFT() public method

Performs windowed in place real FFT of the passed data array, reusing a cached array for the imaginary part. Formats the specified frequency bins according to FFTOutput.
public RealFFT ( float data ) : void
data float
return void

SetWindow() public method

Sets and pre-computes the specified WindowFunction for faster processing.
public SetWindow ( WindowFunction windowFunction ) : void
windowFunction WindowFunction
return void

Property Details

customFftSize public property

If fftSize is set to FFTSize.Custom this value will be used instead of the audio buffer's size. Note that only power of 2 values are valid.
public int customFftSize
return int

fftSize public property

public FFTSize fftSize
return FFTSize

fromFrequency public property

The lowest frequency we are interested in. The lowest relevant value is SampleRate / FFT size, but higher values can be specified.
public int fromFrequency
return int

output public property

public FFTOutput output
return FFTOutput

toFrequency public property

The highest frequency we are interested in. The highest relevant frequency is SampleRate/2 ( Nyquist frequency ). but lower values can be specified.
public int toFrequency
return int

useWindowFunction public property

public bool useWindowFunction
return bool

window public property

public WindowFunction window
return WindowFunction