/* create a new histogram processor */
public static HistogramRec NewHistogram(
HistogramSpecRec Template,
SynthParamRec SynthParams)
{
double Cutoff;
HistogramRec Histogram = new HistogramRec();
Histogram.HistogramString = GetHistogramSpecLabel(Template);
Histogram.NumBins = GetHistogramSpecNumBins(Template);
Histogram.BinArray = new int[Histogram.NumBins];
Histogram.LeftLowpass = new FirstOrderLowpassRec();
Histogram.RightLowpass = new FirstOrderLowpassRec();
Cutoff = GetHistogramSpecPowerEstimatorCutoff(Template);
FirstOrderLowpassRec.SetFirstOrderLowpassCoefficients(
Histogram.LeftLowpass,
Cutoff,
SynthParams.dSamplingRate);
FirstOrderLowpassRec.SetFirstOrderLowpassCoefficients(
Histogram.RightLowpass,
Cutoff,
SynthParams.dSamplingRate);
Histogram.Min = GetHistogramSpecBottom(Template);
Histogram.Max = GetHistogramSpecTop(Template);
Histogram.Unders = 0;
Histogram.Overs = 0;
Histogram.IgnoreUnders = GetHistogramSpecDiscardUnders(Template);
Histogram.Logarithmic = GetHistogramSpecBinDistribution(Template);
Histogram.ChannelSelect = GetHistogramSpecChannelSelector(Template);
Histogram.FilterMethod = GetHistogramSpecPowerEstimatorMethod(Template);
Histogram.ChartWidth = GetHistogramSpecBarChartWidth(Template);
Histogram.IgnoreUnders = Histogram.IgnoreUnders || (Histogram.Min == 0);
if (Histogram.Logarithmic)
{
Histogram.LnMin = Math.Log(Histogram.Min);
Histogram.LnMax = Math.Log(Histogram.Max);
}
return(Histogram);
}
/* create a new analyzer processor */
public static AnalyzerRec NewAnalyzer(
AnalyzerSpecRec Template,
SynthParamRec SynthParams)
{
AnalyzerRec Analyzer = new AnalyzerRec();
Analyzer.AnalyzerString = GetAnalyzerSpecString(Template);
Analyzer.LeftMinimum = Int32.MaxValue;
Analyzer.LeftMaximum = Int32.MinValue;
Analyzer.RightMinimum = Int32.MaxValue;
Analyzer.RightMaximum = Int32.MinValue;
Analyzer.FrameCount = 0;
Analyzer.LeftPowerMaximum = Int32.MinValue;
Analyzer.RightPowerMaximum = Int32.MinValue;
Analyzer.PowerEnabled = IsAnalyzerSpecPowerEstimatorEnabled(Template);
if (Analyzer.PowerEnabled)
{
Analyzer.LeftLowpass = new FirstOrderLowpassRec();
FirstOrderLowpassRec.SetFirstOrderLowpassCoefficients(
Analyzer.LeftLowpass,
GetAnalyzerSpecPowerEstimatorCutoff(Template),
SynthParams.dSamplingRate);
Analyzer.RightLowpass = new FirstOrderLowpassRec();
FirstOrderLowpassRec.SetFirstOrderLowpassCoefficients(
Analyzer.RightLowpass,
GetAnalyzerSpecPowerEstimatorCutoff(Template),
SynthParams.dSamplingRate);
Analyzer.PowerMethod = GetAnalyzerSpecPowerEstimatorMethod(Template);
#if DEBUG
if ((Analyzer.PowerMethod != AnalyzerPowerEstType.eAnalyzerPowerAbsVal) &&
(Analyzer.PowerMethod != AnalyzerPowerEstType.eAnalyzerPowerRMS))
{
Debug.Assert(false);
throw new ArgumentException();
}
#endif
}
return(Analyzer);
}
