Class ZoomFocusedSpectrograms

Inheritance

Object

ZoomFocusedSpectrograms

Inherited Members

Object.Equals(Object)

Object.Equals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Object.ReferenceEquals(Object, Object)

Object.ToString()

Namespace: AudioAnalysisTools.LongDurationSpectrograms

Assembly: AudioAnalysisTools.dll

Syntax

public static class ZoomFocusedSpectrograms

Methods

CompressFrameSpectrogram(Dictionary<String, Double[,]>, TimeSpan, TimeSpan)

Declaration

public static Dictionary<string, double[, ]> CompressFrameSpectrogram(Dictionary<string, double[, ]> spectra, TimeSpan imageScale, TimeSpan defaultTimeScale)

Parameters

Type	Name	Description
Dictionary<String, Double[,]>	spectra
TimeSpan	imageScale
TimeSpan	defaultTimeScale

Returns

Type	Description
Dictionary<String, Double[,]>

DrawFrameSpectrogramAtScale(LdSpectrogramConfig, IndexGenerationData, TimeSpan, Int32, List<Double[]>, Double[,], TimeSpan, TimeSpan, Int32)

This method can add in the absolute recording start time. However currently disabled.

Declaration

public static Image DrawFrameSpectrogramAtScale(LdSpectrogramConfig config, IndexGenerationData indexGenerationData, TimeSpan startTimeOfData, int compressionFactor, List<double[]> frameData, double[, ] indexData, TimeSpan focalTime, TimeSpan frameScale, int imageWidth)

Parameters

Type	Name	Description
LdSpectrogramConfig	config	v.
IndexGenerationData	indexGenerationData	indexGenerationData.
TimeSpan	startTimeOfData	startTimeOfData.
Int32	compressionFactor	compressionFactor.
List<Double[]>	frameData	frameData.
Double[,]	indexData	indexData.
TimeSpan	focalTime	focalTime.
TimeSpan	frameScale	frameScale.
Int32	imageWidth	imageWidth.

Returns

Type	Description
SixLabors.ImageSharp.Image

DrawIndexSpectrogramAtScale(LdSpectrogramConfig, IndexGenerationData, Dictionary<String, IndexProperties>, TimeSpan, TimeSpan, TimeSpan, Int32, Dictionary<String, Double[,]>, String)

This method can add in absolute time if you want. Currently commented out - see below.

Declaration

public static Image<Rgb24> DrawIndexSpectrogramAtScale(LdSpectrogramConfig config, IndexGenerationData indexGenerationData, Dictionary<string, IndexProperties> indexProperties, TimeSpan focalTime, TimeSpan dataScale, TimeSpan imageScale, int imageWidth, Dictionary<string, double[, ]> spectra, string basename)

Parameters

Type	Name	Description
LdSpectrogramConfig	config
IndexGenerationData	indexGenerationData
Dictionary<String, IndexProperties>	indexProperties
TimeSpan	focalTime
TimeSpan	dataScale
TimeSpan	imageScale
Int32	imageWidth
Dictionary<String, Double[,]>	spectra
String	basename

Returns

Type	Description
SixLabors.ImageSharp.Image<SixLabors.ImageSharp.PixelFormats.Rgb24>

DrawStackOfZoomedSpectrograms(DirectoryInfo, DirectoryInfo, AnalysisIoInputDirectory, ZoomParameters, String, TimeSpan, Int32)

Declaration

public static void DrawStackOfZoomedSpectrograms(DirectoryInfo inputDirectory, DirectoryInfo outputDirectory, AnalysisIoInputDirectory io, ZoomParameters common, string analysisTag, TimeSpan focalTime, int imageWidth)

Parameters

Type	Name	Description
DirectoryInfo	inputDirectory
DirectoryInfo	outputDirectory
AnalysisIoInputDirectory	io
ZoomParameters	common
String	analysisTag
TimeSpan	focalTime
Int32	imageWidth

DrawStandardSpectrogramInFalseColour(Double[,])

A FALSE-COLOUR VERSION OF DECIBEL SPECTROGRAM Taken and adapted from Spectrogram Image 5 in the method of CLASS Audio2InputForConvCNN.cs:.

Declaration

public static Image<Rgb24> DrawStandardSpectrogramInFalseColour(double[, ] dbSpectrogramData)

Parameters

Type	Name	Description
Double[,]	dbSpectrogramData	the sonogram data (NOT noise reduced).

Returns

Type	Description
SixLabors.ImageSharp.Image<SixLabors.ImageSharp.PixelFormats.Rgb24>

DrawTitleBarOfZoomSpectrogram(String, Int32)

Declaration

public static Image<Rgb24> DrawTitleBarOfZoomSpectrogram(string title, int width)

Parameters

Type	Name	Description
String	title
Int32	width

Returns

Type	Description
SixLabors.ImageSharp.Image<SixLabors.ImageSharp.PixelFormats.Rgb24>

FrameZoomSpectrogram(Image<Rgb24>, Image<Rgb24>, TimeSpan, TimeSpan, TimeSpan, Int32, Int32)

Declaration

public static Image<Rgb24> FrameZoomSpectrogram(Image<Rgb24> bmp1, Image<Rgb24> titleBar, TimeSpan startOffset, TimeSpan xAxisPixelDuration, TimeSpan xAxisTicInterval, int nyquist, int herzInterval)

Parameters

Type	Name	Description
SixLabors.ImageSharp.Image<SixLabors.ImageSharp.PixelFormats.Rgb24>	bmp1
SixLabors.ImageSharp.Image<SixLabors.ImageSharp.PixelFormats.Rgb24>	titleBar
TimeSpan	startOffset
TimeSpan	xAxisPixelDuration
TimeSpan	xAxisTicInterval
Int32	nyquist
Int32	herzInterval

Returns

Type	Description
SixLabors.ImageSharp.Image<SixLabors.ImageSharp.PixelFormats.Rgb24>

ReadFrameData(DirectoryInfo, String, TimeSpan, TimeSpan, SpectrogramZoomingConfig, TimeSpan)

Declaration

public static List<double[]> ReadFrameData(DirectoryInfo dataDir, string fileStem, TimeSpan startTime, TimeSpan maxDuration, SpectrogramZoomingConfig zoomingConfig, TimeSpan indexGenerationSegmentDuration)

Parameters

Type	Name	Description
DirectoryInfo	dataDir
String	fileStem
TimeSpan	startTime
TimeSpan	maxDuration
SpectrogramZoomingConfig	zoomingConfig
TimeSpan	indexGenerationSegmentDuration

Returns

Type	Description
List<Double[]>