Class UpwardTrackAlgorithm

EXPANATION: A vertical track is a near click or rapidly frequency-modulated tone. A good example is the whip component of the whip-bird call. They would typically be only a few time-frames duration.

Inheritance
Object
UpwardTrackAlgorithm
Inherited Members
Namespace: AudioAnalysisTools.Tracks
Assembly: AudioAnalysisTools.dll
Syntax
public static class UpwardTrackAlgorithm

Methods

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GetUpwardTrack(Double[,], Int32, Int32, Int32, Double, UnitConverters)

Declaration
public static Track GetUpwardTrack(double[, ] peaks, int startRow, int startBin, int maxBin, double threshold, UnitConverters converter)
Parameters
Type Name Description
Double[,] peaks
Int32 startRow
Int32 startBin
Int32 maxBin
Double threshold
UnitConverters converter
Returns
Type Description
Track
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GetUpwardTracks(SpectrogramStandard, UpwardTrackParameters, Nullable<Double>, TimeSpan, String)

Declaration
public static (List<EventCommon> Events, List<Plot> DecibelPlots) GetUpwardTracks(SpectrogramStandard spectrogram, UpwardTrackParameters parameters, double? decibelThreshold, TimeSpan segmentStartOffset, string profileName)
Parameters
Type Name Description
SpectrogramStandard spectrogram
UpwardTrackParameters parameters
Nullable<Double> decibelThreshold
TimeSpan segmentStartOffset
String profileName
Returns
Type Description
(T1, T2)<List<EventCommon>, List<Plot>>
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GetUpwardTracks(SpectrogramStandard, UpwardTrackParameters, TimeSpan, Double)

THis method averages dB log values incorrectly but it is faster than doing many log conversions and is accurate enough for the purpose.

Declaration
public static (List<EventCommon> Events, double[] CombinedIntensity) GetUpwardTracks(SpectrogramStandard sonogram, UpwardTrackParameters parameters, TimeSpan segmentStartOffset, double decibelThreshold)
Parameters
Type Name Description
SpectrogramStandard sonogram

The spectrogram to be searched.
UpwardTrackParameters parameters

parameters for the upwards track algorithm.
TimeSpan segmentStartOffset

The start time of the current recording segment under analysis.
Double decibelThreshold
Returns
Type Description
(T1, T2)<List<EventCommon>, Double[]>

A list of acoustic events containing foward tracks.
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GetUpwardTracks(Double[,], Int32, Int32, Double, Double, Double, UnitConverters)

Declaration
public static List<Track> GetUpwardTracks(double[, ] peaks, int minBin, int maxBin, double minBandwidthHertz, double maxBandwidthHertz, double threshold, UnitConverters converter)
Parameters
Type Name Description
Double[,] peaks
Int32 minBin
Int32 maxBin
Double minBandwidthHertz
Double maxBandwidthHertz
Double threshold
UnitConverters converter
Returns
Type Description
List<Track>