Class DrawLongDurationSpectrograms

First argument on command line to call this action is "ColourSpectrogram" Activity Codes for other tasks to do with spectrograms and audio files:

audio2csv - Calls AnalyseLongRecording.Execute(): Outputs acoustic indices and LD false-colour spectrograms. audio2sonogram - Calls AnalysisPrograms.Audio2Sonogram.Main(): Produces a sonogram from an audio file - EITHER custom OR via SOX.Generates multiple spectrogram images and oscilllations info indicescsv2image - Calls DrawSummaryIndexTracks.Main(): Input csv file of summary indices. Outputs a tracks image. colourspectrogram - Calls DrawLongDurationSpectrograms.Execute(): Produces LD spectrograms from matrices of indices. zoomingspectrograms - Calls DrawZoomingSpectrograms.Execute(): Produces LD spectrograms on different time scales. differencespectrogram - Calls DifferenceSpectrogram.Execute(): Produces Long duration difference spectrograms

audiofilecheck - Writes information about audio files to a csv file. snr - Calls SnrAnalysis.Execute(): Calculates signal to noise ratio. audiocutter - Cuts audio into segments of desired length and format createfoursonograms.

Inheritance
Object
DrawLongDurationSpectrograms
Inherited Members
Namespace: AnalysisPrograms
Assembly: AnalysisPrograms.dll
Syntax
public static class DrawLongDurationSpectrograms

Fields

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CommandName

Declaration
public const string CommandName = "DrawLongDurationSpectrograms"
Field Value
Type Description
String

Methods

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DrawAggregatedSpectrograms(DrawLongDurationSpectrograms.Arguments, String, Dictionary<String, Double[,]>)

The integer returned from this method is the count of time-frames in the spectrogram.

Declaration
public static int DrawAggregatedSpectrograms(DrawLongDurationSpectrograms.Arguments arguments, string fileStem, Dictionary<string, double[, ]> spectra = null)
Parameters
Type Name Description
DrawLongDurationSpectrograms.Arguments arguments
String fileStem
Dictionary<String, Double[,]> spectra
Returns
Type Description
Int32
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DrawFalseColorSpectrograms(DrawLongDurationSpectrograms.Arguments, String, Dictionary<String, IndexProperties>, Dictionary<String, Double[,]>)

Declaration
public static Image<Rgb24> DrawFalseColorSpectrograms(DrawLongDurationSpectrograms.Arguments args, string fileStem, Dictionary<string, IndexProperties> indexProperties, Dictionary<string, double[, ]> spectra = null)
Parameters
Type Name Description
DrawLongDurationSpectrograms.Arguments args
String fileStem
Dictionary<String, IndexProperties> indexProperties
Dictionary<String, Double[,]> spectra
Returns
Type Description
SixLabors.ImageSharp.Image<SixLabors.ImageSharp.PixelFormats.Rgb24>
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DrawFalseColorSpectrograms(String, TimeSpan, FileInfo, Dictionary<String, Double[,]>)

Draws two false-color spectrograms using a default set of arguments.

Declaration
public static Image DrawFalseColorSpectrograms(string fileStem, TimeSpan dataScale, FileInfo indexPropertiesConfig, Dictionary<string, double[, ]> spectra = null)
Parameters
Type Name Description
String fileStem
TimeSpan dataScale
FileInfo indexPropertiesConfig
Dictionary<String, Double[,]> spectra
Returns
Type Description
SixLabors.ImageSharp.Image
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DrawFalseColourSpectrograms(DrawLongDurationSpectrograms.Arguments, String, Dictionary<String, Double[,]>)

Declaration
public static Image<Rgb24> DrawFalseColourSpectrograms(DrawLongDurationSpectrograms.Arguments args, string fileStem, Dictionary<string, double[, ]> spectra = null)
Parameters
Type Name Description
DrawLongDurationSpectrograms.Arguments args
String fileStem
Dictionary<String, Double[,]> spectra
Returns
Type Description
SixLabors.ImageSharp.Image<SixLabors.ImageSharp.PixelFormats.Rgb24>
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DrawGrayScaleSpectrograms(DrawLongDurationSpectrograms.Arguments, String, TimeSpan, Dictionary<String, Double[,]>)

Declaration
public static Image<Rgb24> DrawGrayScaleSpectrograms(DrawLongDurationSpectrograms.Arguments arguments, string fileStem, TimeSpan dataScale, Dictionary<string, double[, ]> spectra = null)
Parameters
Type Name Description
DrawLongDurationSpectrograms.Arguments arguments
String fileStem
TimeSpan dataScale
Dictionary<String, Double[,]> spectra
Returns
Type Description
SixLabors.ImageSharp.Image<SixLabors.ImageSharp.PixelFormats.Rgb24>
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DrawRidgeSpectrograms(DrawLongDurationSpectrograms.Arguments, String, Dictionary<String, Double[,]>)

The integer returned from this method is the number of seconds duration of the spectrogram. Note that this method is called only when spectrogramScale = 0.1.

Declaration
public static int DrawRidgeSpectrograms(DrawLongDurationSpectrograms.Arguments arguments, string fileStem, Dictionary<string, double[, ]> spectra = null)
Parameters
Type Name Description
DrawLongDurationSpectrograms.Arguments arguments
String fileStem
Dictionary<String, Double[,]> spectra
Returns
Type Description
Int32
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DrawRidgeSpectrograms(DirectoryInfo, FileInfo, String, Double, Dictionary<String, Double[,]>)

Declaration
public static Image DrawRidgeSpectrograms(DirectoryInfo inputDirectory, FileInfo ipConfig, string fileStem, double scale, Dictionary<string, double[, ]> spectra = null)
Parameters
Type Name Description
DirectoryInfo inputDirectory
FileInfo ipConfig
String fileStem
Double scale
Dictionary<String, Double[,]> spectra
Returns
Type Description
SixLabors.ImageSharp.Image
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Execute(DrawLongDurationSpectrograms.Arguments)

Declaration
public static void Execute(DrawLongDurationSpectrograms.Arguments arguments)
Parameters
Type Name Description
DrawLongDurationSpectrograms.Arguments arguments