Class SpectrogramCepstral

Inheritance
Object
BaseSonogram
SpectrogramCepstral
Inherited Members
Namespace: AudioAnalysisTools.StandardSpectrograms
Assembly: AudioAnalysisTools.dll
Syntax
public class SpectrogramCepstral : BaseSonogram

Constructors

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SpectrogramCepstral(AmplitudeSonogram)

Declaration
public SpectrogramCepstral(AmplitudeSonogram sg)
Parameters
Type Name Description
AmplitudeSonogram sg
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SpectrogramCepstral(SonogramConfig, WavReader)

Declaration
public SpectrogramCepstral(SonogramConfig config, WavReader wav)
Parameters
Type Name Description
SonogramConfig config
WavReader wav
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SpectrogramCepstral(String, WavReader)

Declaration
public SpectrogramCepstral(string configFile, WavReader wav)
Parameters
Type Name Description
String configFile
WavReader wav

Methods

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Make(Double[,])

Converts amplitude matrix to cepstral sonogram.

Declaration
public override void Make(double[, ] amplitudeM)
Parameters
Type Name Description
Double[,] amplitudeM

Matrix of amplitude values.
Overrides
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MakeCepstrogram(SonogramConfig, Double[,], Double[], Int32)

Returns a cepstrogram matrix of mfcc values from a spectrogram matrix of amplitude values. This was revised May/June 2021 in light of more recent literature on mfcc's.

Declaration
protected static double[, ] MakeCepstrogram(SonogramConfig config, double[, ] matrix, double[] frameLogEnergy, int sampleRate)
Parameters
Type Name Description
SonogramConfig config
Double[,] matrix
Double[] frameLogEnergy
Int32 sampleRate
Returns
Type Description
Double[,]

Extension Methods