Move Pitchtrackers to separate files
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@@ -87,183 +87,4 @@ namespace Vocaluxe.Lib.Sound.Record.PitchTracker
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set { _VolumeTreshold = value; }
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}
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}
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/// <summary>
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/// Pitchtracker (Pt) that uses autocorrelation (AKF) and AMDF
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/// Quite fast and perfect in artificial tests, but may fail in real world scenarios (e.g. missing fundamental)
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/// </summary>
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class CPtAKF : CPitchTracker
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{
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#region Imports
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern IntPtr PtAKF_Create(uint step);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern void PtAKF_Free(IntPtr analyzer);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern int PtAKF_GetNumHalfTones();
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern void PtAKF_InputByte(IntPtr analyzer, [In] byte[] data, int sampleCt);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern void PtAKF_SetVolumeThreshold(IntPtr analyzer, float threshold);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern float PtAKF_GetVolumeThreshold(IntPtr analyzer);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern int PtAKF_GetNote(IntPtr analyzer, [Out] out float maxVolume, [Out] float[] weights);
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#endregion
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private IntPtr _Instance;
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public CPtAKF(uint step = 200)
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{
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_Instance = PtAKF_Create(step);
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}
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public override int GetNumHalfTones()
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{
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return PtAKF_GetNumHalfTones();
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}
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public override float VolumeTreshold
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{
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get { return PtAKF_GetVolumeThreshold(_Instance); }
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set { PtAKF_SetVolumeThreshold(_Instance, value); }
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}
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public override void Input(byte[] data)
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{
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PtAKF_InputByte(_Instance, data, data.Length / 2);
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}
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public override int GetNote(out float maxVolume, float[] weights)
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{
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return PtAKF_GetNote(_Instance, out maxVolume, weights);
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}
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protected override void _Dispose(bool disposing)
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{
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if (_Instance == IntPtr.Zero)
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throw new ObjectDisposedException(GetType().Name);
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PtAKF_Free(_Instance);
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_Instance = IntPtr.Zero;
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}
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}
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/// <summary>
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/// Pitchtracker (Pt) that uses a dynamic wavelet (DyWa) algorithm
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/// </summary>
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class CPtDyWa : CPitchTracker
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{
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#region Imports
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern IntPtr PtDyWa_Create(uint step);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern void PtDyWa_Free(IntPtr analyzer);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern void PtDyWa_SetVolumeThreshold(IntPtr analyzer, float threshold);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern float PtDyWa_GetVolumeThreshold(IntPtr analyzer);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern void PtDyWa_InputByte(IntPtr analyzer, [In] byte[] data, int sampleCt);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern double PtDyWa_FindNote(IntPtr analyzer, [Out] out float maxVolume);
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#endregion
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private IntPtr _Instance;
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public CPtDyWa(uint step = 200)
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{
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_Instance = PtDyWa_Create(step);
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}
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public override void Input(byte[] data)
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{
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PtDyWa_InputByte(_Instance, data, data.Length / 2);
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}
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public override int GetNote(out float maxVolume, float[] weights)
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{
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int note = (int)Math.Round(PtDyWa_FindNote(_Instance, out maxVolume));
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_SetWeights(note, weights);
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return note;
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}
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public override int GetNumHalfTones()
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{
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return NumHalfTonesDef;
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}
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public override float VolumeTreshold
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{
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get { return PtDyWa_GetVolumeThreshold(_Instance); }
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set { PtDyWa_SetVolumeThreshold(_Instance, value); }
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}
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protected override void _Dispose(bool disposing)
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{
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if (_Instance == IntPtr.Zero)
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throw new ObjectDisposedException(GetType().Name);
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PtDyWa_Free(_Instance);
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_Instance = IntPtr.Zero;
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}
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}
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/// <summary>
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/// Pitchtracker (Pt) in C# that uses IIR filters for smoothing and an intelligent detection algorithm to reduce calculations
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/// </summary>
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class CPtSharp : CPitchTracker
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{
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private Pitch.PitchTracker _Instance;
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public CPtSharp()
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{
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_Instance = new Pitch.PitchTracker {SampleRate = 44100, DetectLevelThreshold = 0.01f, PitchRecordHistorySize = 1};
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}
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public override void Input(byte[] data)
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{
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short[] samplesShort = new short[data.Length / 2];
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Buffer.BlockCopy(data, 0, samplesShort, 0, data.Length);
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float[] samplesFloat = new float[samplesShort.Length];
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for (int i = 0; i < samplesShort.Length; i++)
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samplesFloat[i] = (float)samplesShort[i] / short.MaxValue;
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_Instance.ProcessBuffer(samplesFloat);
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}
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public override int GetNote(out float maxVolume, float[] weights)
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{
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int note = _Instance.CurrentPitchRecord.MidiNote - 15 - 21;
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maxVolume = _Instance.LastMaxVol;
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_SetWeights(note, weights);
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return note;
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}
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public override int GetNumHalfTones()
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{
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return NumHalfTonesDef;
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}
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public override float VolumeTreshold
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{
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get { return _Instance.DetectLevelThreshold; }
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set { _Instance.DetectLevelThreshold = value; }
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}
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protected override void _Dispose(bool disposing)
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{
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if (_Instance == null)
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throw new ObjectDisposedException(GetType().Name);
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_Instance = null;
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}
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}
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}
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@@ -0,0 +1,71 @@
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using System;
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using System.Runtime.InteropServices;
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namespace Vocaluxe.Lib.Sound.Record.PitchTracker
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{
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/// <summary>
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/// Pitchtracker (Pt) that uses autocorrelation (AKF) and AMDF
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/// Quite fast and perfect in artificial tests, but may fail in real world scenarios (e.g. missing fundamental)
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/// </summary>
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class CPtAKF : CPitchTracker
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{
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#region Imports
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern IntPtr PtAKF_Create(uint step);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern void PtAKF_Free(IntPtr analyzer);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern int PtAKF_GetNumHalfTones();
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern void PtAKF_InputByte(IntPtr analyzer, [In] byte[] data, int sampleCt);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern void PtAKF_SetVolumeThreshold(IntPtr analyzer, float threshold);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern float PtAKF_GetVolumeThreshold(IntPtr analyzer);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern int PtAKF_GetNote(IntPtr analyzer, [Out] out float maxVolume, [Out] float[] weights);
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#endregion
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private IntPtr _Instance;
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public CPtAKF(uint step = 200)
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{
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_Instance = PtAKF_Create(step);
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}
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public override int GetNumHalfTones()
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{
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return PtAKF_GetNumHalfTones();
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}
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public override float VolumeTreshold
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{
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get { return PtAKF_GetVolumeThreshold(_Instance); }
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set { PtAKF_SetVolumeThreshold(_Instance, value); }
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}
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public override void Input(byte[] data)
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{
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PtAKF_InputByte(_Instance, data, data.Length / 2);
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}
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public override int GetNote(out float maxVolume, float[] weights)
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{
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return PtAKF_GetNote(_Instance, out maxVolume, weights);
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}
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protected override void _Dispose(bool disposing)
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{
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if (_Instance == IntPtr.Zero)
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throw new ObjectDisposedException(GetType().Name);
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PtAKF_Free(_Instance);
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_Instance = IntPtr.Zero;
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}
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}
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}
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@@ -0,0 +1,69 @@
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using System;
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using System.Runtime.InteropServices;
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namespace Vocaluxe.Lib.Sound.Record.PitchTracker
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{
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/// <summary>
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/// Pitchtracker (Pt) that uses a dynamic wavelet (DyWa) algorithm
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/// </summary>
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class CPtDyWa : CPitchTracker
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{
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#region Imports
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern IntPtr PtDyWa_Create(uint step);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern void PtDyWa_Free(IntPtr analyzer);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern void PtDyWa_SetVolumeThreshold(IntPtr analyzer, float threshold);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern float PtDyWa_GetVolumeThreshold(IntPtr analyzer);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern void PtDyWa_InputByte(IntPtr analyzer, [In] byte[] data, int sampleCt);
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[DllImport("PitchTracker.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern double PtDyWa_FindNote(IntPtr analyzer, [Out] out float maxVolume);
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#endregion
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private IntPtr _Instance;
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public CPtDyWa(uint step = 200)
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{
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_Instance = PtDyWa_Create(step);
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}
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public override void Input(byte[] data)
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{
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PtDyWa_InputByte(_Instance, data, data.Length / 2);
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}
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public override int GetNote(out float maxVolume, float[] weights)
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{
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int note = (int)Math.Round(PtDyWa_FindNote(_Instance, out maxVolume));
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_SetWeights(note, weights);
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return note;
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}
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public override int GetNumHalfTones()
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{
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return NumHalfTonesDef;
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}
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public override float VolumeTreshold
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{
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get { return PtDyWa_GetVolumeThreshold(_Instance); }
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set { PtDyWa_SetVolumeThreshold(_Instance, value); }
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}
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protected override void _Dispose(bool disposing)
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{
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if (_Instance == IntPtr.Zero)
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throw new ObjectDisposedException(GetType().Name);
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PtDyWa_Free(_Instance);
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_Instance = IntPtr.Zero;
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}
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}
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}
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@@ -0,0 +1,53 @@
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using System;
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namespace Vocaluxe.Lib.Sound.Record.PitchTracker
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{
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/// <summary>
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/// Pitchtracker (Pt) in C# that uses IIR filters for smoothing and an intelligent detection algorithm to reduce calculations
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/// </summary>
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class CPtSharp : CPitchTracker
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{
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private Pitch.PitchTracker _Instance;
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public CPtSharp()
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{
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_Instance = new Pitch.PitchTracker {SampleRate = 44100, DetectLevelThreshold = 0.01f, PitchRecordHistorySize = 1};
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}
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public override void Input(byte[] data)
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{
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short[] samplesShort = new short[data.Length / 2];
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Buffer.BlockCopy(data, 0, samplesShort, 0, data.Length);
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float[] samplesFloat = new float[samplesShort.Length];
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for (int i = 0; i < samplesShort.Length; i++)
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samplesFloat[i] = (float)samplesShort[i] / short.MaxValue;
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_Instance.ProcessBuffer(samplesFloat);
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}
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public override int GetNote(out float maxVolume, float[] weights)
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{
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int note = _Instance.CurrentPitchRecord.MidiNote - 15 - 21;
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maxVolume = _Instance.LastMaxVol;
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_SetWeights(note, weights);
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return note;
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}
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public override int GetNumHalfTones()
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{
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return NumHalfTonesDef;
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}
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public override float VolumeTreshold
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{
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get { return _Instance.DetectLevelThreshold; }
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set { _Instance.DetectLevelThreshold = value; }
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}
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protected override void _Dispose(bool disposing)
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{
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if (_Instance == null)
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throw new ObjectDisposedException(GetType().Name);
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_Instance = null;
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}
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}
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}
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@@ -268,6 +268,9 @@
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<Compile Include="Lib\Sound\Record\CRecordBase.cs" />
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<Compile Include="Lib\Sound\Record\DirectSound\CSampleDataEventArgs.cs" />
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<Compile Include="Lib\Sound\Record\DirectSound\CSoundCardSource.cs" />
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<Compile Include="Lib\Sound\Record\PitchTracker\CPtAKF.cs" />
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<Compile Include="Lib\Sound\Record\PitchTracker\CPtDyWa.cs" />
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<Compile Include="Lib\Sound\Record\PitchTracker\CPtSharp.cs" />
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<Compile Include="Lib\Sound\Record\PitchTracker\IPitchTracker.cs" />
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<Compile Include="Lib\Sound\Record\Pitch\CircularBuffer.cs" />
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<Compile Include="Lib\Sound\Record\Pitch\Extensions.cs" />
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