Class AudioRecording

Inheritance
Object
AudioRecording
Implements
Inherited Members
Namespace: AudioAnalysisTools.WavTools
Assembly: AudioAnalysisTools.dll
Syntax
public class AudioRecording : IDisposable

Constructors

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AudioRecording(WavReader)

Initializes a new instance of the AudioRecording class. Wrapper for the wav reader. Audio must be in wav format. Use MasterAudioUtility to convert or segment the audio first.

Declaration
public AudioRecording(WavReader wavReader)
Parameters
Type Name Description
WavReader wavReader
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AudioRecording(Byte[])

Initializes a new instance of the AudioRecording class. Wrapper for the wav reader. Audio must be in wav format. Use MasterAudioUtility to convert or segment the audio first.

Declaration
public AudioRecording(byte[] bytes)
Parameters
Type Name Description
Byte[] bytes
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AudioRecording(Byte[], String)

Initializes a new instance of the AudioRecording class. Wrapper for the wav reader. Audio must be in wav format. Use MasterAudioUtility to convert or segment the audio first.

Declaration
public AudioRecording(byte[] bytes, string name)
Parameters
Type Name Description
Byte[] bytes
String name
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AudioRecording(FileInfo)

Declaration
public AudioRecording(FileInfo audioFile)
Parameters
Type Name Description
FileInfo audioFile
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AudioRecording(String)

Initializes a new instance of the AudioRecording class. Wrapper for the wav reader. Audio must be in wav format. Use MasterAudioUtility to convert or segment the audio first.

Declaration
public AudioRecording(string path)
Parameters
Type Name Description
String path

Properties

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BaseName

Gets the file name without the extension.

Declaration
public string BaseName { get; }
Property Value
Type Description
String
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BitsPerSample

Declaration
public int BitsPerSample { get; }
Property Value
Type Description
Int32
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Bytes

Declaration
public byte[] Bytes { get; set; }
Property Value
Type Description
Byte[]
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Duration

Gets returns Time Span of the recording.

Declaration
public TimeSpan Duration { get; }
Property Value
Type Description
TimeSpan
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Epsilon

Declaration
public double Epsilon { get; }
Property Value
Type Description
Double
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FilePath

Declaration
public string FilePath { get; }
Property Value
Type Description
String
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Nyquist

Declaration
public int Nyquist { get; }
Property Value
Type Description
Int32
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SampleRate

Declaration
public int SampleRate { get; }
Property Value
Type Description
Int32
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WavReader

Gets a wrapper for the wav reader. Audio must be in wav format. Use MasterAudioUtility to convert or segment the audio first.

Declaration
public WavReader WavReader { get; }
Property Value
Type Description
WavReader

Methods

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CreateTemporaryAudioFile(FileInfo, DirectoryInfo, Int32)

Declaration
public static FileInfo CreateTemporaryAudioFile(FileInfo sourceRecording, DirectoryInfo outDir, int resampleRate)
Parameters
Type Name Description
FileInfo sourceRecording
DirectoryInfo outDir
Int32 resampleRate
Returns
Type Description
FileInfo
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Dispose()

Declaration
public void Dispose()
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ExtractSegment(FileInfo, TimeSpan, TimeSpan, TimeSpan, Int32, FileInfo)

This method extracts a recording segment and saves it to disk at the location fiOutputSegment.

Declaration
public static void ExtractSegment(FileInfo fiSource, TimeSpan start, TimeSpan end, TimeSpan buffer, int sampleRate, FileInfo fiOutputSegment)
Parameters
Type Name Description
FileInfo fiSource
TimeSpan start
TimeSpan end
TimeSpan buffer
Int32 sampleRate
FileInfo fiOutputSegment
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Filter_IIR(AudioRecording, String)

Declaration
public static AudioRecording Filter_IIR(AudioRecording audio, string filterName)
Parameters
Type Name Description
AudioRecording audio
String filterName
Returns
Type Description
AudioRecording
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GetAudioRecording(FileInfo, Int32, String, String)

TODO - this is long winded way to get file. Need to talk to Mark.

Declaration
public static AudioRecording GetAudioRecording(FileInfo sourceFile, int resampleRate, string opDir, string opFileName)
Parameters
Type Name Description
FileInfo sourceFile
Int32 resampleRate
String opDir
String opFileName
Returns
Type Description
AudioRecording
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GetRecordingSubsegment(AudioRecording, Int32, Int32, Int32)

returns a subsample of a recording with a buffer on either side. Main complication is dealing with edge effects.

Declaration
public static AudioRecording GetRecordingSubsegment(AudioRecording recording, int sampleStart, int sampleEnd, int sampleBuffer)
Parameters
Type Name Description
AudioRecording recording
Int32 sampleStart
Int32 sampleEnd
Int32 sampleBuffer
Returns
Type Description
AudioRecording
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GetWaveForm(Int32)

returns the wave form representation of the signal.

Declaration
public double[, ] GetWaveForm(int length)
Parameters
Type Name Description
Int32 length
Returns
Type Description
Double[,]
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GetWaveForm(Int32, Int32)

Declaration
public Image<Rgb24> GetWaveForm(int imageWidth, int imageHeight)
Parameters
Type Name Description
Int32 imageWidth
Int32 imageHeight
Returns
Type Description
SixLabors.ImageSharp.Image<SixLabors.ImageSharp.PixelFormats.Rgb24>
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GetWaveFormDecibels(Int32, Double)

Declaration
public double[, ] GetWaveFormDecibels(int length, double dBMin)
Parameters
Type Name Description
Int32 length
Double dBMin
Returns
Type Description
Double[,]
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GetWaveFormInDecibels(Int32, Int32, Double)

Declaration
public Image<Rgb24> GetWaveFormInDecibels(int imageWidth, int imageHeight, double dBMin)
Parameters
Type Name Description
Int32 imageWidth
Int32 imageHeight
Double dBMin
Returns
Type Description
SixLabors.ImageSharp.Image<SixLabors.ImageSharp.PixelFormats.Rgb24>

Implements

Extension Methods