Class SpectrogramSettings

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

Properties

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DoMelScale

Declaration
public bool DoMelScale { get; set; }
Property Value
Type Description
Boolean
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MelBinCount

Gets or sets MelBinCount This is used only if DoMelScale = true.

Declaration
public int MelBinCount { get; set; }
Property Value
Type Description
Int32
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NoiseReductionParameter

Declaration
public double NoiseReductionParameter { get; set; }
Property Value
Type Description
Double
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NoiseReductionType

Declaration
public NoiseReductionType NoiseReductionType { get; set; }
Property Value
Type Description
NoiseReductionType
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SmoothingWindow

Gets or sets the smoothing window. Following the FFT, each spectrum is smoothed with a moving average filter to reduce its variance. We do the minimum smoothing in order to retain spectral definition.

Declaration
public int SmoothingWindow { get; set; }
Property Value
Type Description
Int32
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SourceFileName

Gets or sets SourceFileName Although this is not a setting, we need to store it right at the beginning.

Declaration
public string SourceFileName { get; set; }
Property Value
Type Description
String
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WindowFunction

Gets or sets the default FFT Window function to the Hanning window. THe Hanning window was made default in March 2020 because it was found to produce better spectrograms in cases where the recording is resampled up or down.

Declaration
public string WindowFunction { get; set; }
Property Value
Type Description
String
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WindowOverlap

Declaration
public double WindowOverlap { get; set; }
Property Value
Type Description
Double
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WindowSize

Gets or sets the window or frame size. 512 is usually a suitable choice for recordings of the environment.

Declaration
public int WindowSize { get; set; }
Property Value
Type Description
Int32
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WindowStep

Gets or sets exact frame step in samples - an alternative to overlap Note that the default setting should be same as WindowSize i.e. no overlap.

Declaration
public int WindowStep { get; set; }
Property Value
Type Description
Int32

Extension Methods