Exemplo n.º 1
0
            /* build common stuff */
            private static VocoderRec VocoderBuildCommonStructure(
                VocoderSpecRec Template,
                SynthParamRec SynthParams)
            {
                int BandCount;
                int OrderCount;

                float[][] WaveTableMatrix;
                int       FramesPerTable;
                int       NumberOfTables;

                if (!WaveSampDictGetWaveTableInfo(
                        SynthParams.Dictionary,
                        GetVocoderSpecWaveTableName(Template),
                        out WaveTableMatrix,
                        out FramesPerTable,
                        out NumberOfTables))
                {
                    Debug.Assert(false);
                    throw new InvalidOperationException();
                }

                BandCount  = GetVocoderMaxNumBands(Template);
                OrderCount = GetVocoderFilterOrder(Template) / 2;
                if (BandCount > FramesPerTable / VOC_FIELDCOUNT)
                {
                    BandCount = FramesPerTable / VOC_FIELDCOUNT;
                }

                VocoderRec Vocoder = new VocoderRec();

                Vocoder.CombinedGainFactorVector = new float[2 * BandCount];
                Vocoder.FilterVector             = new ButterworthBandpassRec[2 * BandCount * OrderCount];

                Vocoder.BandCount  = BandCount;
                Vocoder.OrderCount = OrderCount;

                Vocoder.ForceFilterUpdate      = true;
                Vocoder.PreviousOutputScaling  = 0;
                Vocoder.PreviousWaveTableIndex = -1;

                Vocoder.WaveTableMatrix      = WaveTableMatrix;
                Vocoder.FramesPerTable       = FramesPerTable;
                Vocoder.NumberOfTablesMinus1 = NumberOfTables - 1;

                Vocoder.EnableCrossWaveTableInterpolation = VocoderGetEnableCrossWaveTableInterpolation(Template);

                /* initialize band matrix */
                for (int i = 0; i < 2 * BandCount * OrderCount; i++)
                {
                    Vocoder.FilterVector[i] = new ButterworthBandpassRec();
                }

                return(Vocoder);
            }
Exemplo n.º 2
0
            /* create a new track vocoder */
            public static VocoderRec NewTrackVocoder(
                VocoderSpecRec Template,
                SynthParamRec SynthParams)
            {
                /* initialize common portion of structure */
                VocoderRec Vocoder = VocoderBuildCommonStructure(
                    Template,
                    SynthParams);

                Vocoder.Track = new VocTrackRec();

                /* initialize variant portion */
                GetVocoderSpecOutputGainAgg(
                    Template,
                    out Vocoder.Track.OutputScaling);
                GetVocoderSpecWaveTableIndexAgg(
                    Template,
                    out Vocoder.Track.WaveTableIndex);

                return(Vocoder);
            }
Exemplo n.º 3
0
            /* apply filter matrix to vector */
            private static void ApplyVocoderMatrix(
                VocoderRec Vocoder,
                ButterworthBandpassRec[] BandMatrix,
                int BandMatrixOffset,
                float[] CombinedGainFactorVector,
                int CombinedGainFactorVectorOffset,
                float[] Vector,
                int VectorOffset,
                float[] SourceBase,
                int SourceOffset,
                float[] MangleBase,
                int MangleOffset,
                int Length,
                SynthParamRec SynthParams)
            {
                int BandCount  = Vocoder.BandCount;
                int OrderCount = Vocoder.OrderCount;

                /* build source and initialize vector for output */
                FloatVectorCopy(
                    Vector,
                    VectorOffset,
                    SourceBase,
                    SourceOffset,
                    Length);
                FloatVectorZero(
                    Vector,
                    VectorOffset,
                    Length);

                int i = 0;

#if VECTOR
                if (EnableVector)
                {
#if DEBUG
                    Debug.Assert(!SynthParams.ScratchWorkspace2InUse);
                    Debug.Assert(!SynthParams.ScratchWorkspace4InUse);
                    SynthParams.ScratchWorkspace2InUse = true;
                    SynthParams.ScratchWorkspace4InUse = true;
#endif
                    int MangleOffset2 = SynthParams.ScratchWorkspace2LOffset;
                    int MangleOffset3 = SynthParams.ScratchWorkspace2ROffset;
                    int MangleOffset4 = SynthParams.ScratchWorkspace4LOffset;

                    /* process matrix */
                    for (; i <= BandCount - 4; i += 4)
                    {
                        /* initialize mangle vector with raw data */
                        FloatVectorCopy(
                            SourceBase,
                            SourceOffset,
                            MangleBase,
                            MangleOffset,
                            Length);
                        FloatVectorCopy(
                            SourceBase,
                            SourceOffset,
                            MangleBase,
                            MangleOffset2,
                            Length);
                        FloatVectorCopy(
                            SourceBase,
                            SourceOffset,
                            MangleBase,
                            MangleOffset3,
                            Length);
                        FloatVectorCopy(
                            SourceBase,
                            SourceOffset,
                            MangleBase,
                            MangleOffset4,
                            Length);

                        /* apply filters to succession, copying out on the last one */
                        for (int j = 0; j < OrderCount; j++)
                        {
                            if (j != OrderCount - 1)
                            {
                                /* interior filters modify the buffer, with unity gain */
                                ButterworthBandpassRec.ApplyButterworthBandpassVectorModify(
                                    BandMatrix[BandMatrixOffset + (i + 0) * OrderCount + j],
                                    BandMatrix[BandMatrixOffset + (i + 1) * OrderCount + j],
                                    BandMatrix[BandMatrixOffset + (i + 2) * OrderCount + j],
                                    BandMatrix[BandMatrixOffset + (i + 3) * OrderCount + j],
                                    MangleBase,
                                    MangleOffset,
                                    MangleOffset2,
                                    MangleOffset3,
                                    MangleOffset4,
                                    Length);
                            }
                            else
                            {
                                /* final filter adds to output */
                                ButterworthBandpassRec.Apply4(
                                    BandMatrix[BandMatrixOffset + (i + 0) * OrderCount + j],
                                    BandMatrix[BandMatrixOffset + (i + 1) * OrderCount + j],
                                    BandMatrix[BandMatrixOffset + (i + 2) * OrderCount + j],
                                    BandMatrix[BandMatrixOffset + (i + 3) * OrderCount + j],
                                    MangleBase,
                                    MangleOffset,
                                    MangleOffset2,
                                    MangleOffset3,
                                    MangleOffset4,
                                    Vector,
                                    VectorOffset,
                                    Length,
                                    CombinedGainFactorVector[CombinedGainFactorVectorOffset + i + 0],
                                    CombinedGainFactorVector[CombinedGainFactorVectorOffset + i + 1],
                                    CombinedGainFactorVector[CombinedGainFactorVectorOffset + i + 2],
                                    CombinedGainFactorVector[CombinedGainFactorVectorOffset + i + 3],
                                    SynthParams);
                            }
                        }
                    }

#if DEBUG
                    SynthParams.ScratchWorkspace2InUse = false;
                    SynthParams.ScratchWorkspace4InUse = false;
#endif
                }
#endif

                /* process matrix */
                for (; i < BandCount; i++)
                {
                    /* initialize mangle vector with raw data */
                    FloatVectorCopy(
                        SourceBase,
                        SourceOffset,
                        MangleBase,
                        MangleOffset,
                        Length);

                    /* apply filters to succession, copying out on the last one */
                    for (int j = 0; j < OrderCount; j++)
                    {
                        if (j != OrderCount - 1)
                        {
                            /* interior filters modify the buffer, with unity gain */
                            ButterworthBandpassRec.ApplyButterworthBandpassVectorModify(
                                BandMatrix[BandMatrixOffset + i * OrderCount + j],
                                MangleBase,
                                MangleOffset,
                                Length);
                        }
                        else
                        {
                            /* final filter adds to output */
                            BandMatrix[BandMatrixOffset + i * OrderCount + j].Apply(
                                MangleBase,
                                MangleOffset,
                                Vector,
                                VectorOffset,
                                Length,
                                CombinedGainFactorVector[CombinedGainFactorVectorOffset + i],
                                SynthParams);
                        }
                    }
                }
            }
Exemplo n.º 4
0
            /* update a filter matrix given a wave table index and matrix base pointer */
            /* first element in the list is the lowest ordered element in the wave table. */
            /* wave index is scaled from 1 to #waves - 1 */
            private static void VocoderUpdateMatrix(
                VocoderRec Vocoder,
                ButterworthBandpassRec[] BandMatrix,
                int BandMatrixOffset,
                float[] CombinedGainFactorVector,
                int CombinedGainFactorVectorOffset,
                SynthParamRec SynthParams)
            {
                int BandCount  = Vocoder.BandCount;
                int OrderCount = Vocoder.OrderCount;

                float[][] WaveMatrix  = Vocoder.WaveTableMatrix;
                float     OverallGain = (float)Vocoder.CurrentOutputScaling;

#if DEBUG
                if ((Vocoder.CurrentWaveTableIndex < 0) || (Vocoder.CurrentWaveTableIndex > Vocoder.NumberOfTablesMinus1))
                {
                    // table index out of range
                    Debug.Assert(false);
                    throw new InvalidOperationException();
                }
#endif

                if (((int)(Vocoder.CurrentWaveTableIndex) == Vocoder.NumberOfTablesMinus1) ||
                    !Vocoder.EnableCrossWaveTableInterpolation)
                {
                    /* end interpolation */

                    float[] WaveData = WaveMatrix[(int)(Vocoder.CurrentWaveTableIndex)];

                    /* start at the beginning */
                    for (int i = 0; i < BandCount; i++)
                    {
                        /* L+F(R-L) */

                        /* consult wave table for center frequency */
                        float RawCenterFreq = WaveData[i * VOC_FIELDCOUNT + 0];

                        /* consult wave table for bandwidth */
                        float RawBandWidth = WaveData[i * VOC_FIELDCOUNT + 1];

                        /* consult wave table for gain */
                        float RawUncombinedGain = WaveData[i * VOC_FIELDCOUNT + 2];

                        /* do the mappings */
                        CombinedGainFactorVector[CombinedGainFactorVectorOffset + i] = RawUncombinedGain * OverallGain;
                        double CookedCenterFreq = (VOC_MAXFREQ * 0.5) * (1 + (double)RawCenterFreq);
                        double CookedBandWidth  = (VOC_MAXFREQ * 0.5) * (1 + (double)RawBandWidth);

                        /* set the settings */
                        for (int j = 0; j < OrderCount; j++)
                        {
                            ButterworthBandpassRec.SetButterworthBandpassCoefficients(
                                BandMatrix[BandMatrixOffset + i * OrderCount + j],
                                CookedCenterFreq,
                                CookedBandWidth,
                                SynthParams.dSamplingRate);
                        }
                    }
                }
                else
                {
                    /* compute table weighting */
                    float Wave1Weight = (float)(Vocoder.CurrentWaveTableIndex - (int)(Vocoder.CurrentWaveTableIndex));

                    /* full interpolation */

                    float[] WaveData0 = WaveMatrix[(int)(Vocoder.CurrentWaveTableIndex)];
                    float[] WaveData1 = WaveMatrix[(int)(Vocoder.CurrentWaveTableIndex) + 1];

                    /* start at the beginning */
                    for (int i = 0; i < BandCount; i++)
                    {
                        float Wave0Value, Wave1Value;

                        /* L+F(R-L) */

                        /* consult wave table for center frequency */
                        Wave0Value = WaveData0[i * VOC_FIELDCOUNT + 0];
                        Wave1Value = WaveData1[i * VOC_FIELDCOUNT + 0];
                        float RawCenterFreq = Wave0Value + (Wave1Weight * (Wave1Value - Wave0Value));

                        /* consult wave table for bandwidth */
                        Wave0Value = WaveData0[i * VOC_FIELDCOUNT + 1];
                        Wave1Value = WaveData1[i * VOC_FIELDCOUNT + 1];
                        float RawBandWidth = Wave0Value + (Wave1Weight * (Wave1Value - Wave0Value));

                        /* consult wave table for gain */
                        Wave0Value = WaveData0[i * VOC_FIELDCOUNT + 2];
                        Wave1Value = WaveData1[i * VOC_FIELDCOUNT + 2];
                        float RawUncombinedGain = Wave0Value + (Wave1Weight * (Wave1Value - Wave0Value));

                        /* do the mappings */
                        CombinedGainFactorVector[CombinedGainFactorVectorOffset + i] = RawUncombinedGain * OverallGain;
                        double CookedCenterFreq = (VOC_MAXFREQ * 0.5) * (1 + (double)RawCenterFreq);
                        double CookedBandWidth  = (VOC_MAXFREQ * 0.5) * (1 + (double)RawBandWidth);

                        /* set the settings */
                        for (int j = 0; j < OrderCount; j++)
                        {
                            ButterworthBandpassRec.SetButterworthBandpassCoefficients(
                                BandMatrix[BandMatrixOffset + i * OrderCount + j],
                                CookedCenterFreq,
                                CookedBandWidth,
                                SynthParams.dSamplingRate);
                        }
                    }
                }
            }
Exemplo n.º 5
0
            /* create a new oscillator vocoder */
            public static VocoderRec NewOscVocoder(
                VocoderSpecRec Template,
                ref AccentRec Accents,
                double HurryUp,
                double InitialFrequency,
                double FreqForMultisampling,
                out int PreOriginTimeOut,
                PlayTrackInfoRec TrackInfo,
                SynthParamRec SynthParams)
            {
                int OnePreOrigin;

                /* initialize common portion of structure */
                VocoderRec Vocoder = VocoderBuildCommonStructure(
                    Template,
                    SynthParams);

                Vocoder.Oscillator = new VocOscRec();

                /* initialize variant portion */
                int MaxPreOrigin = 0;

                Vocoder.Oscillator.OutputScalingEnvelope = NewEnvelopeStateRecord(
                    GetVocoderSpecOutputGainEnvelope(Template),
                    ref Accents,
                    InitialFrequency,
                    1,
                    HurryUp,
                    out OnePreOrigin,
                    _PlayTrackParamGetter,
                    TrackInfo,
                    SynthParams);
                if (OnePreOrigin > MaxPreOrigin)
                {
                    MaxPreOrigin = OnePreOrigin;
                }

                Vocoder.Oscillator.OutputScalingLFO = NewLFOGenerator(
                    GetVocoderSpecOutputGainLFO(Template),
                    out OnePreOrigin,
                    ref Accents,
                    InitialFrequency,
                    HurryUp,
                    1,
                    1,
                    FreqForMultisampling,
                    _PlayTrackParamGetter,
                    TrackInfo,
                    SynthParams);
                if (OnePreOrigin > MaxPreOrigin)
                {
                    MaxPreOrigin = OnePreOrigin;
                }

                Vocoder.Oscillator.WaveTableIndexEnvelope = NewEnvelopeStateRecord(
                    GetVocoderSpecIndexEnvelope(Template),
                    ref Accents,
                    InitialFrequency,
                    1,
                    HurryUp,
                    out OnePreOrigin,
                    _PlayTrackParamGetter,
                    TrackInfo,
                    SynthParams);
                if (OnePreOrigin > MaxPreOrigin)
                {
                    MaxPreOrigin = OnePreOrigin;
                }

                Vocoder.Oscillator.WaveTableIndexLFO = NewLFOGenerator(
                    GetVocoderSpecIndexLFO(Template),
                    out OnePreOrigin,
                    ref Accents,
                    InitialFrequency,
                    HurryUp,
                    1,
                    1,
                    FreqForMultisampling,
                    _PlayTrackParamGetter,
                    TrackInfo,
                    SynthParams);
                if (OnePreOrigin > MaxPreOrigin)
                {
                    MaxPreOrigin = OnePreOrigin;
                }

                PreOriginTimeOut = MaxPreOrigin;

                return(Vocoder);
            }
Exemplo n.º 6
0
        /* create a new oscillator effect generator */
        public static SynthErrorCodes NewOscEffectGenerator(
            EffectSpecListRec SpecList,
            ref AccentRec Accents,
            double HurryUp,
            double InitialFrequency,
            double FreqForMultisampling,
            out int PreOriginTimeOut,
            PlayTrackInfoRec TrackInfo,
            SynthParamRec SynthParams,
            out OscEffectGenRec GeneratorOut)
        {
            int OnePreOrigin;

            GeneratorOut     = null;
            PreOriginTimeOut = 0;

            OscEffectGenRec Generator = New(ref SynthParams.freelists.OscEffectGenRecFreeList);
            int             count     = Generator.count = GetEffectSpecListEnabledLength(SpecList);

            IOscillatorEffect[] List = Generator.List = New(ref SynthParams.freelists.IOscillatorEffectFreeList, count); // zeroed
            if (unchecked ((uint)count > (uint)List.Length))
            {
                Debug.Assert(false);
                throw new IndexOutOfRangeException();
            }

            int MaxPreOrigin = 0;

            /* build list of thingers */
            int j = 0;

            for (int i = 0; j < count; i++)
            {
                /* see if effect is enabled */
                if (!IsEffectFromEffectSpecListEnabled(SpecList, i))
                {
                    continue;
                }

                /* fill in fields */
                EffectTypes Type = GetEffectSpecListElementType(SpecList, i);
                switch (Type)
                {
                default:
                    Debug.Assert(false);
                    throw new ArgumentException();

                case EffectTypes.eDelayEffect:
                    List[j] = DelayUnifiedRec.NewOscUnifiedDelayLineProcessor(
                        GetDelayEffectFromEffectSpecList(SpecList, i),
                        ref Accents,
                        HurryUp,
                        InitialFrequency,
                        FreqForMultisampling,
                        out OnePreOrigin,
                        TrackInfo,
                        SynthParams);
                    if (OnePreOrigin > MaxPreOrigin)
                    {
                        MaxPreOrigin = OnePreOrigin;
                    }
                    break;

                case EffectTypes.eNLProcEffect:
                    List[j] = NLProcUnifiedRec.NewOscNLProcProcessor(
                        GetNLProcEffectFromEffectSpecList(SpecList, i),
                        ref Accents,
                        HurryUp,
                        InitialFrequency,
                        FreqForMultisampling,
                        out OnePreOrigin,
                        TrackInfo,
                        SynthParams);
                    if (OnePreOrigin > MaxPreOrigin)
                    {
                        MaxPreOrigin = OnePreOrigin;
                    }
                    break;

                case EffectTypes.eFilterEffect:
                    List[j] = FilterArrayRec.NewOscFilterArrayProcessor(
                        GetFilterEffectFromEffectSpecList(SpecList, i),
                        ref Accents,
                        HurryUp,
                        InitialFrequency,
                        FreqForMultisampling,
                        out OnePreOrigin,
                        TrackInfo,
                        SynthParams);
                    if (OnePreOrigin > MaxPreOrigin)
                    {
                        MaxPreOrigin = OnePreOrigin;
                    }
                    break;

                case EffectTypes.eAnalyzerEffect:
                    List[j] = AnalyzerRec.NewAnalyzer(
                        GetAnalyzerEffectFromEffectSpecList(SpecList, i),
                        SynthParams);
                    break;

                case EffectTypes.eHistogramEffect:
                    List[j] = HistogramRec.NewHistogram(
                        GetHistogramEffectFromEffectSpecList(SpecList, i),
                        SynthParams);
                    break;

                case EffectTypes.eResamplerEffect:
                    List[j] = ResamplerRec.NewResampler(
                        GetResamplerEffectFromEffectSpecList(SpecList, i),
                        SynthParams);
                    break;

                case EffectTypes.eCompressorEffect:
                    List[j] = CompressorRec.NewOscCompressor(
                        GetCompressorEffectFromEffectSpecList(SpecList, i),
                        ref Accents,
                        HurryUp,
                        InitialFrequency,
                        FreqForMultisampling,
                        out OnePreOrigin,
                        TrackInfo,
                        SynthParams);
                    if (OnePreOrigin > MaxPreOrigin)
                    {
                        MaxPreOrigin = OnePreOrigin;
                    }
                    break;

                case EffectTypes.eVocoderEffect:
                    List[j] = VocoderRec.NewOscVocoder(
                        GetVocoderEffectFromEffectSpecList(SpecList, i),
                        ref Accents,
                        HurryUp,
                        InitialFrequency,
                        FreqForMultisampling,
                        out OnePreOrigin,
                        TrackInfo,
                        SynthParams);
                    if (OnePreOrigin > MaxPreOrigin)
                    {
                        MaxPreOrigin = OnePreOrigin;
                    }
                    break;

                case EffectTypes.eIdealLowpassEffect:
                    List[j] = IdealLPRec.NewIdealLP(
                        GetIdealLPEffectFromEffectSpecList(SpecList, i),
                        SynthParams);
                    break;

                case EffectTypes.eUserEffect:
                {
                    UserEffectProcRec userEffect;
                    SynthErrorCodes   error = UserEffectProcRec.NewOscUserEffectProc(
                        GetUserEffectFromEffectSpecList(SpecList, i),
                        ref Accents,
                        HurryUp,
                        InitialFrequency,
                        FreqForMultisampling,
                        out OnePreOrigin,
                        TrackInfo,
                        SynthParams,
                        out userEffect);
                    if (error != SynthErrorCodes.eSynthDone)
                    {
                        return(error);
                    }
                    List[j] = userEffect;
                    if (OnePreOrigin > MaxPreOrigin)
                    {
                        MaxPreOrigin = OnePreOrigin;
                    }
                }
                break;

                case EffectTypes.ePluggableEffect:
                {
                    PluggableSpec Spec = GetPluggableEffectFromEffectSpecList(SpecList, i);
                    Debug.Assert(Spec is PluggableOscSpec);
                    PluggableOscEffectTemplate template = new PluggableOscEffectTemplate(
                        (PluggableOscSpec)Spec,
                        SynthParams);
                    IOscillatorEffect effect;
                    SynthErrorCodes   error = template.Create(
                        ref Accents,
                        HurryUp,
                        InitialFrequency,
                        FreqForMultisampling,
                        out OnePreOrigin,
                        TrackInfo,
                        SynthParams,
                        out effect);
                    if (error != SynthErrorCodes.eSynthDone)
                    {
                        return(error);
                    }
                    List[j] = effect;
                    if (OnePreOrigin > MaxPreOrigin)
                    {
                        MaxPreOrigin = OnePreOrigin;
                    }
                }
                break;
                }

                j++;
            }
            Debug.Assert(j == count);

            PreOriginTimeOut = MaxPreOrigin;

            GeneratorOut = Generator;
            return(SynthErrorCodes.eSynthDone);
        }
        /* create a new track effect generator */
        public static SynthErrorCodes NewTrackEffectGenerator(
            EffectSpecListRec SpecList,
            SynthParamRec SynthParams,
            out TrackEffectGenRec GeneratorOut)
        {
            GeneratorOut = null;

            TrackEffectGenRec Generator = new TrackEffectGenRec();

            Generator.Enable         = true;
            Generator.AutoQuiescence = EffectSpecListIsAutoQuiescenceEnabled(SpecList);
            if (Generator.AutoQuiescence)
            {
                Generator.Enable    = false; /* start with it off in this case */
                Generator.GateLevel = (float)(Math.Pow(
                                                  2,
                                                  EffectSpecListGetAutoQuiescenceDecibels(SpecList) * (1 / -6.0205999132796239))
                                              / SynthParams.fOverallVolumeScaling);
                Generator.WindowDuration = (int)(SynthParams.dEnvelopeRate
                                                 * EffectSpecListGetAutoQuiescenceWindowDuration(SpecList));
                Generator.CurrentWindowDuration = 0;
            }

            /* this is the current envelope update index for removing things from the */
            /* scanning gap list (i.e. the back edge of the scanning gap) */
            /* by setting this negative, we cause the scanning gap to open. */
            Generator.ExecutionIndex = -SynthParams.iScanningGapWidthInEnvelopeTicks;

            /* initialize accent trackers */
            InitAccentTracker(ref Generator.Accents0);
            InitAccentTracker(ref Generator.Accents1);
            InitAccentTracker(ref Generator.Accents2);
            InitAccentTracker(ref Generator.Accents3);
            InitAccentTracker(ref Generator.Accents4);
            InitAccentTracker(ref Generator.Accents5);
            InitAccentTracker(ref Generator.Accents6);
            InitAccentTracker(ref Generator.Accents7);

            /* build list of thingers */
            OneEffectRec Appender = null;
            int          l        = GetEffectSpecListLength(SpecList);

            for (int i = 0; i < l; i += 1)
            {
                /* see if effect is enabled */
                if (IsEffectFromEffectSpecListEnabled(SpecList, i))
                {
                    OneEffectRec Effect = new OneEffectRec();

                    /* link */
                    Effect.Next = null;
                    if (Appender == null)
                    {
                        Generator.List = Effect;
                    }
                    else
                    {
                        Appender.Next = Effect;
                    }
                    Appender = Effect;

                    /* fill in fields */
                    EffectTypes Type = GetEffectSpecListElementType(SpecList, i);
                    switch (Type)
                    {
                    default:
                        Debug.Assert(false);
                        throw new ArgumentException();

                    case EffectTypes.eDelayEffect:
                        Effect.u = DelayUnifiedRec.NewTrackDelayLineProcessor(
                            GetDelayEffectFromEffectSpecList(SpecList, i),
                            SynthParams);
                        break;

                    case EffectTypes.eNLProcEffect:
                        Effect.u = NLProcUnifiedRec.NewTrackNLProcProcessor(
                            GetNLProcEffectFromEffectSpecList(SpecList, i),
                            SynthParams);
                        break;

                    case EffectTypes.eFilterEffect:
                        Effect.u = FilterArrayRec.NewTrackFilterArrayProcessor(
                            GetFilterEffectFromEffectSpecList(SpecList, i),
                            SynthParams);
                        break;

                    case EffectTypes.eAnalyzerEffect:
                        Effect.u = AnalyzerRec.NewAnalyzer(
                            GetAnalyzerEffectFromEffectSpecList(SpecList, i),
                            SynthParams);
                        break;

                    case EffectTypes.eHistogramEffect:
                        Effect.u = HistogramRec.NewHistogram(
                            GetHistogramEffectFromEffectSpecList(SpecList, i),
                            SynthParams);
                        break;

                    case EffectTypes.eResamplerEffect:
                        Effect.u = ResamplerRec.NewResampler(
                            GetResamplerEffectFromEffectSpecList(SpecList, i),
                            SynthParams);
                        break;

                    case EffectTypes.eCompressorEffect:
                        Effect.u = CompressorRec.NewTrackCompressor(
                            GetCompressorEffectFromEffectSpecList(SpecList, i),
                            SynthParams);
                        break;

                    case EffectTypes.eVocoderEffect:
                        Effect.u = VocoderRec.NewTrackVocoder(
                            GetVocoderEffectFromEffectSpecList(SpecList, i),
                            SynthParams);
                        break;

                    case EffectTypes.eIdealLowpassEffect:
                        Effect.u = IdealLPRec.NewIdealLP(
                            GetIdealLPEffectFromEffectSpecList(SpecList, i),
                            SynthParams);
                        break;

                    case EffectTypes.eConvolverEffect:
                    {
                        ConvolverRec    ConvolverEffect;
                        SynthErrorCodes Result = ConvolverRec.NewConvolver(
                            GetConvolverEffectFromEffectSpecList(SpecList, i),
                            SynthParams,
                            out ConvolverEffect);
                        if (Result != SynthErrorCodes.eSynthDone)
                        {
                            return(Result);
                        }
                        Effect.u = ConvolverEffect;
                    }
                    break;

                    case EffectTypes.eUserEffect:
                    {
                        UserEffectProcRec userEffect;
                        SynthErrorCodes   error = UserEffectProcRec.NewTrackUserEffectProc(
                            GetUserEffectFromEffectSpecList(SpecList, i),
                            SynthParams,
                            out userEffect);
                        if (error != SynthErrorCodes.eSynthDone)
                        {
                            return(error);
                        }
                        Effect.u = userEffect;
                    }
                    break;

                    case EffectTypes.ePluggableEffect:
                    {
                        PluggableSpec Spec = GetPluggableEffectFromEffectSpecList(SpecList, i);
                        Debug.Assert(Spec is PluggableTrackSpec);
                        PluggableTrackEffectTemplate Template = new PluggableTrackEffectTemplate(
                            (PluggableTrackSpec)Spec,
                            SynthParams);
                        ITrackEffect    effect;
                        SynthErrorCodes error = Template.Create(
                            SynthParams,
                            out effect);
                        if (error != SynthErrorCodes.eSynthDone)
                        {
                            return(error);
                        }
                        Effect.u = effect;
                    }
                    break;
                    }
                }
            }

            GeneratorOut = Generator;
            return(SynthErrorCodes.eSynthDone);
        }