Fck math

 private  int calcLenth(int length)//округление длинны массива до ближайшей степени 2ки.
        {
            int bit = 2;
            for (int i = 0; i < 30; i++)
            {
                bit *= 2;
                if ((bit == length) || (bit > length)) return bit;
            }
            return 0;
        }

        private  double midleOfFrame(int pos, int framesize)
        {
            double res = 0;
            for (int i = pos; i <= pos + framesize; i++)
            {
                res += Math.Abs(Math.Sqrt(output[i].Real * output[i].Real + output[i].Imaginary * output[i].Imaginary));
            }
            res /= framesize;
            return res;
        }
        public  double midleOfFrame(Complex[] input, int pos, int framesize)
        {
            double res = 0;
            for (int i = pos; i <= pos + framesize; i++)
            {
                res += Math.Sqrt(input[i].Real * input[i].Real + input[i].Imaginary * input[i].Imaginary);
            }
            res /= framesize;
            return res;
        }

        public  double maxOfFrame(Complex[] input, int pos, int framesize)
        {
            double res = 0;
            for (int i = pos; i <= pos + framesize; i++)
            {
                res = Math.Sqrt(input[i].Real * input[i].Real + input[i].Imaginary * input[i].Imaginary) > res ? Math.Sqrt(input[i].Real * input[i].Real + input[i].Imaginary * input[i].Imaginary) : res;
            }
            return res;
        }

        private double maxOfArray(Double[] input)
        {
            double max = input[0];
            for (int i = 1; i < input.Count(); i++)
                max = input[i] > max ? input[i] : max;
            return max;
        }

        public double[] normalize(double[] input)
        {
            Double[] tmp = new Double[input.Count()];
            double k = 100 / maxOfArray(input);
            for (int i = 0; i < input.Count(); i++)
                tmp[i] = input[i] * k;
            return tmp;
        }

        private  void AddDelimed(int start, int end)
        {
            int size = end - start;
            Complex[] tmp = new Complex[calcLenth(size)];
            for(int i = 0; i < size; i++)
            {
                tmp[i] = output[i + start];
            }
            delimed.Add(tmp, start);
        }

        private  bool isSil(int pos)
        {
            const int framesize = 100;
            const double level = 0.01;
            return midleOfFrame(pos, framesize) < level;
        }

        private void delimBySil()
        {
            const int framesize = 500;
            int last = 0;
            bool mark = false;

            for (int i = 0; i < output.Length - framesize; i += framesize)
            {
                if(isSil(i))
                {
                    if(mark)
                    {
                        AddDelimed(last, i);
                        mark = false;
                    }
                }
                else
                {
                    if(!mark)
                    {
                        last = i;
                    }
                    mark = true;
                }
            }
            if(mark)
            {
                AddDelimed(last, output.Length - framesize);
            }
        }