public void DisplayRefWaveChart()
        {
            if (this.InvokeRequired)
            {
                Action handle = new Action(DisplayRefWaveChart);
                this.Invoke(handle);
            }
            else
            {
                SetDataRefWaveChart();

                if (selectShowChart.Selected.RefWave)
                {
                    if (!refvoice_wave.Visible && refmfcc != null)
                    {
                        refvoice_wave.Location = locationChart[1];
                        refvoice_wave.Show();
                    }
                }
                else
                {
                    if (refvoice_wave.Visible)
                    {
                        refvoice_wave.Hide();
                    }
                }
            }
        }
        public void DisplayYourWaveChart()
        {
            SetDataYourWaveChart();

            if (selectShowChart.Selected.YourWave)
            {
                if (!yourvoice_wave.Visible && yourmfcc != null)
                {
                    yourvoice_wave.Location = locationChart[0];
                    yourvoice_wave.Show();
                }
            }
            else
            {
                if (yourvoice_wave.Visible)
                {
                    yourvoice_wave.Hide();
                }
            }
        }