void WI_RecordingStopped(object sender, EventArgs e)
{
if (StopCalled)
{
return;
}
StopCalled = true;
IR = new double[Channels_in][];
Direct_Sample = new int[Channels_in];
SNR = new double[Channels_in][];
for (int c = 0; c < Channels_in; c++)
{
double[] Recording = new double[Response[c].Count];
for (int n = 0; n < Response[c].Count; n++)
{
Recording[n] = (float)Response[c][n] / (float)Int16.MaxValue;
}
double[] DCR = Pach_SP.FFT_Deconvolution(Recording, TD_Signal);
int length = (int)(SampleFreq * Signal_Length);
IR[c] = new double[length];
for (int a = 0; a < CT_Averages; a++)
{
//int Choice = ;
for (int s = 0; s < length; s++)
{
//if (s > IR.Length)
IR[c][s] += DCR[(a + 1) * length + s];
}
}
for (int n = 0; n < length; n++)
{
IR[c][n] /= (double)CT_Averages;
}
double[] ETC = new double[IR[c].Length];
SNR[c] = new double[8];
for (int oct = 0; oct < 8; oct++)
{
double[] octIR = Pach_SP.FIR_Bandpass(IR[c], oct, SampleFreq, 0);
for (int i = 0; i < IR[c].Length; i++)
{
ETC[i] = octIR[i] * octIR[i];
}
Direct_Sample[c] = FindDirect(ETC);
SNR[c][oct] = Signal_Noise_Ratio(ETC, Direct_Sample[c]);
}
}
StopCalled = false;
Running = false;
}
private void RenderBtn_Click(object sender, System.EventArgs e)
{
if (Response == null || Response.Length == 0)
{
Rhino.RhinoApp.WriteLine("No impulse response found to render...");
return;
}
int SamplesPerSec;
double[] SignalBuffer;
OpenWaveFile(out SamplesPerSec, out SignalBuffer);
float maxvalue = 0;
//Normalize input signal...
for (int j = 0; j < SignalBuffer.Length; j++)
{
maxvalue = (float)Math.Max(maxvalue, Math.Abs(SignalBuffer[j]));
}
for (int j = 0; j < SignalBuffer.Length; j++)
{
SignalBuffer[j] /= maxvalue;
}
//Convert pressure response to a 24-bit dynamic range:
//double mod24 = Math.Pow(10, -50 / 10);
//for (int i = 0; i < Response.Length; i++) for(int j = 0; j < Response[i].Length; j++) Response[i][j] *= mod24;
float[][] NewSignal = new float[(int)Response.Length][];
for (int i = 0; i < Response.Length; i++)
{
NewSignal[i] = Pach_SP.FFT_Convolution(SignalBuffer, Response[i], 0);
for (int j = 0; j < NewSignal[i].Length; j++)
{
NewSignal[i][j] *= 1E-5f;
}
}
SrcRendered = new int[SourceList.CheckedIndices.Count];
for (int j = 0; j < SourceList.CheckedIndices.Count; j++)
{
SrcRendered[j] = SourceList.CheckedIndices[j];
}
RecRendered = int.Parse(Receiver_Choice.Text);
SFreq_Rendered = SamplesPerSec;
SaveFileDialog SaveWave = new SaveFileDialog();
if (NewSignal.Length < 4)
{
SaveWave.Filter = " Wave Audio (*.wav) |*.wav";
}
else
{
SaveWave.Filter = "Extended Wave Audio (*.wavex) |*.wavex";
}
if (SaveWave.ShowDialog() == DialogResult.OK)
{
if (Response == null || Response.Length == 0)
{
Rhino.RhinoApp.WriteLine("No impulse response found to render...");
return;
}
NAudio.Wave.WaveFileWriter Writer = new NAudio.Wave.WaveFileWriter(SaveWave.FileName, new NAudio.Wave.WaveFormat(SamplesPerSec, 24, NewSignal.Length));
for (int j = 0; j < NewSignal[0].Length; j++)
{
for (int i = 0; i < Channel_View.Items.Count; i++)
{
Writer.WriteSample(NewSignal[i][j]);
}
}
Writer.Close();
Writer.Dispose();
System.Media.SoundPlayer Player = new System.Media.SoundPlayer(SaveWave.FileName);
Player.Play();
}
}
