Class RainIndices

Inheritance
Object
RainIndices
Inherited Members
Namespace: AudioAnalysisTools.Indices
Assembly: AudioAnalysisTools.dll
Syntax
public static class RainIndices

Fields

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header_cicada

Declaration
public const string header_cicada = "Cicadas"
Field Value
Type Description
String
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header_negative

Declaration
public const string header_negative = "none"
Field Value
Type Description
String
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header_rain

Declaration
public const string header_rain = "Rain"
Field Value
Type Description
String

Methods

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CalculateSpikeIndex(Double[], Double)

Declaration
public static double CalculateSpikeIndex(double[] envelope, double spikeThreshold)
Parameters
Type Name Description
Double[] envelope
Double spikeThreshold
Returns
Type Description
Double
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ConvertAcousticIndices2Classifcations(RainIndices.RainStruct)

The values in this class were derived from See5 runs of data taken from ????.

Declaration
public static string ConvertAcousticIndices2Classifcations(RainIndices.RainStruct indices)
Parameters
Type Name Description
RainIndices.RainStruct indices
Returns
Type Description
String
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ConvertClassifcations2Dictionary(String[])

Declaration
public static Dictionary<string, double> ConvertClassifcations2Dictionary(string[] classifications)
Parameters
Type Name Description
String[] classifications
Returns
Type Description
Dictionary<String, Double>
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Get10SecondIndices(Double[], Double[,], Int32, Int32, TimeSpan, Double)

returns some indices relevant to rain and cicadas from a short (10seconds) chunk of audio.

Declaration
public static RainIndices.RainStruct Get10SecondIndices(double[] signal, double[, ] spectrogram, int lowFreqBound, int midFreqBound, TimeSpan frameDuration, double binWidth)
Parameters
Type Name Description
Double[] signal

signal envelope of a 10s chunk of audio.
Double[,] spectrogram

spectrogram of a 10s chunk of audio.
Int32 lowFreqBound
Int32 midFreqBound
TimeSpan frameDuration
Double binWidth
Returns
Type Description
RainIndices.RainStruct
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GetIndices(Double[], TimeSpan, TimeSpan, Double[,], Int32, Int32, Double)

Declaration
public static Dictionary<string, double> GetIndices(double[] signalEnvelope, TimeSpan audioDuration, TimeSpan frameStepDuration, double[, ] spectrogram, int lowFreqBound, int midFreqBound, double binWidth)
Parameters
Type Name Description
Double[] signalEnvelope

envelope of the original signal.
TimeSpan audioDuration
TimeSpan frameStepDuration
Double[,] spectrogram

the original amplitude spectrum BUT noise reduced.
Int32 lowFreqBound
Int32 midFreqBound
Double binWidth

derived from original nyquist and window/2.
Returns
Type Description
Dictionary<String, Double>