Exemple #1
0
        public static ArrayList Calculate()
        {
            int secpow = Convert.ToInt32(Math.Ceiling(Math.Log(Signal.Count, 2)));

            Signal.AddRange(ArrayList.Repeat(0d, (int)Math.Pow(2, secpow) - Signal.Count));
            //Signal.AddRange(Signal.GetRange(0,(int)Math.Pow(2, secpow) - Signal.Count));

            double[] signal = (double[])Signal.ToArray(typeof(System.Double));
            LastAmplify = (double[])signal.Clone();

            RawTransform.Transform(ref signal);
            //ArrayList fftArray = DigitalSignal.FFTransform(Signal);

            LastFFT = (double[])signal.Clone();

            Coefs = RawTransform.getMFCC(signal);

            Coefs = RawTransform.getNeedMFCC(Coefs);
            string s = "";

            for (int i = 0; i < Coefs.Length; i++)
            {
                s += "  " + Coefs[i].ToString();
            }
            Logger.Add("Calculated coeficients: " + s);
            ArrayList coef = new ArrayList(Coefs.Length);

            for (int i = 0; i < Coefs.Length; i++)
            {
                coef.Add(Coefs[i]);
            }
            return(coef);
        }
Exemple #2
0
        private void ProcessData(int WindowSize)
        {
            ArrayList Mf = new ArrayList();

            for (int left = 0; left + WindowSize < Data.Count; left += WindowSize / 2)
            {
                double[] temp = new double[WindowSize];
                temp = (double[])Data.GetRange(left, WindowSize).ToArray(typeof(double));
                RawTransform.Transform(ref temp);
                FPlot.AddData(temp);
                temp = RawTransform.getMFCC(temp);
                Mf.AddRange(temp);
            }
            if ((dataLength == 0) | (Mf.Count < dataLength))
            {
                dataLength = Mf.Count;
                TmpPlot.SelectView(0, dataLength);
            }
            DataBase.Add(Mf);

            TmpPlot.AddData(Mf);
            FPlot.DrawData();
            TmpPlot.DrawData();
        }