Class DecibelSpectrogram

There are two constructors.

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

Constructors

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DecibelSpectrogram(AmplitudeSpectrogram)

Initializes a new instance of the DecibelSpectrogram class.

Declaration
public DecibelSpectrogram(AmplitudeSpectrogram amplitudeSpectrogram)
Parameters
Type Name Description
AmplitudeSpectrogram amplitudeSpectrogram
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DecibelSpectrogram(SpectrogramSettings, WavReader)

Initializes a new instance of the DecibelSpectrogram class. This constructor requires config and audio objects It creates an amplitude spectrogram.

Declaration
public DecibelSpectrogram(SpectrogramSettings config, WavReader wav)
Parameters
Type Name Description
SpectrogramSettings config
WavReader wav

Properties

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Attributes

Declaration
public SpectrogramAttributes Attributes { get; set; }
Property Value
Type Description
SpectrogramAttributes
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Configuration

Declaration
public SpectrogramSettings Configuration { get; set; }
Property Value
Type Description
SpectrogramSettings
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Data

Gets or sets the spectrogram data matrix of doubles.

Declaration
public double[, ] Data { get; set; }
Property Value
Type Description
Double[,]
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DecibelReference

Gets or sets decibel reference with which to NormaliseMatrixValues the dB values for MFCCs.

Declaration
public double DecibelReference { get; protected set; }
Property Value
Type Description
Double
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DecibelsNormalised

Declaration
public double[] DecibelsNormalised { get; set; }
Property Value
Type Description
Double[]
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DecibelsPerFrame

Gets or sets decibels per signal frame.

Declaration
public double[] DecibelsPerFrame { get; set; }
Property Value
Type Description
Double[]
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MaxAmplitude

Declaration
public double MaxAmplitude { get; set; }
Property Value
Type Description
Double
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SigState

Gets or sets integer coded signal state ie 0=non-vocalisation, 1=vocalisation, etc.

Declaration
public int[] SigState { get; protected set; }
Property Value
Type Description
Int32[]
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SnrData

Gets or sets instance of class SNR that stores info about signal energy and dB per frame.

Declaration
public SNR SnrData { get; set; }
Property Value
Type Description
SNR

Methods

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DrawSpectrogram(String)

Declaration
public void DrawSpectrogram(string path)
Parameters
Type Name Description
String path
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DrawSpectrogramAnnotated(Double[,], SpectrogramSettings, SpectrogramAttributes)

Declaration
public static Image<Rgb24> DrawSpectrogramAnnotated(double[, ] data, SpectrogramSettings config, SpectrogramAttributes attributes)
Parameters
Type Name Description
Double[,] data
SpectrogramSettings config
SpectrogramAttributes attributes
Returns
Type Description
SixLabors.ImageSharp.Image<SixLabors.ImageSharp.PixelFormats.Rgb24>

Extension Methods