Esempio n. 1
0
        /// <summary>
        /// Playing with fourier transformation
        /// </summary>
        public void DoSomeFourier(List <float[]> inSoundData, List <float[]> outSoundData)
        {
            var data    = inSoundData[1];
            var complex = new Complex[data.Length];

            for (int i = 0; i < data.Length; i++)
            {
                complex[i] = new Complex(data[i], 0);
            }


            Fourier.Inverse(complex);

            var           app     = new Application();
            var           window  = new Window();
            var           grid    = new Grid();
            RowDefinition rowDef1 = new RowDefinition();
            RowDefinition rowDef2 = new RowDefinition();
            RowDefinition rowDef3 = new RowDefinition();
            RowDefinition rowDef4 = new RowDefinition();

            grid.RowDefinitions.Add(rowDef1);
            grid.RowDefinitions.Add(rowDef2);
            grid.RowDefinitions.Add(rowDef3);
            grid.RowDefinitions.Add(rowDef4);



            var chart1 = new Chart();

            Grid.SetRow(chart1, 0);
            var barChart1 = new BarGraph();

            chart1.Content = barChart1;

            double[] y1 = new double[complex.Length];

            for (int i = 0; i < complex.Length; i++)
            {
                y1[i] = data[i];
                //y1[i] = complex[i].Magnitude;
                //y1[i] = Math.Sin(((double)i) / complex.Length * 2 * Math.PI);
            }
            barChart1.PlotBars(y1);
            grid.Children.Add(chart1);


            var chart2 = new Chart();

            Grid.SetRow(chart2, 1);
            var barChart2 = new BarGraph();

            chart2.Content = barChart2;

            double[] y2 = new double[complex.Length];

            for (int i = 0; i < complex.Length; i++)
            {
                //y1[i] = complex[i].Magnitude;
                y2[i] = 1.0;
            }
            barChart2.PlotBars(y2);
            grid.Children.Add(chart2);

            window.Content = grid;
            app.Run(window);
        }