public static int GetWaveOutParameters()
{
int bps = 0;
do
{
Console.Write("Bits per sample (8/16/32) [16] : ");
bps = (int)GlobalMembersUtil.GetFloat();
if (bps == 0)
{
bps = 16;
}
}while (bps != 8 && bps != 16 && bps != 32);
return(bps);
}
/// <summary>
/// Get Settings from User Input or Config file
/// </summary>
/// <param name="bands">Specifies the desired height of the spectrogram (bands)</param>
/// <param name="samplecount">Number of samples</param>
/// <param name="samplerate">Sample rate</param>
/// <param name="basefreq">Base frequency in Hertz</param>
/// <param name="maxfreq">Maximum frequency in Hertz</param>
/// <param name="pixpersec">Time resolution in Pixels Per Second</param>
/// <param name="bandsperoctave">Frequency resolution in Bands Per Octave</param>
/// <param name="Xsize">Specifies the desired width of the spectrogram</param>
/// <param name="mode">0 = Analysis mode, 1 = Synthesis mode</param>
public static void SettingsInput(ref int bands, ref int samplecount, ref int samplerate, ref double basefreq, ref double maxfreq, ref double pixpersec, ref double bandsperoctave, ref int Xsize, int mode)
{
/* mode :
* 0 = Analysis mode
* 1 = Synthesis mode
*/
int i = 0;
double gf;
double f;
double trash;
double ma; // maximum allowed frequency
int unset = 0; // count of unset interdependant settings
int set_min = 0;
int set_max = 0;
int set_bpo = 0;
int set_y = 0;
int set_pps = 0;
int set_x = 0;
#if DEBUG
Console.Write("settingsinput...\n");
#endif
// Path to the configuration file
string configFileName = "arss.conf";
TextReader freqcfg = null;
if (File.Exists(configFileName))
{
freqcfg = new StreamReader(configFileName);
}
if (samplerate == 0) // if we're in synthesis mode and that no samplerate has been defined yet
{
if (GlobalMembersUtil.quiet)
{
Console.Error.WriteLine("Please provide a sample rate for your output sound.\nUse --sample-rate (-r).\nExiting with error.\n");
Environment.Exit(1);
}
//********Output settings querying********
Console.Write("Sample rate [44100] : "); // Query for a samplerate
samplerate = (int)GlobalMembersUtil.GetFloat();
if (samplerate == 0 || samplerate < -2147483647) // The -2147483647 check is used for the sake of compatibility with C90
{
samplerate = 44100; // Default value
}
//--------Output settings querying--------
}
if (basefreq != 0) // count unset interdependant frequency-domain settings
{
set_min = 1;
}
if (maxfreq != 0)
{
set_max = 1;
}
if (bandsperoctave != 0)
{
set_bpo = 1;
}
if (bands != 0)
{
set_y = 1;
}
unset = set_min + set_max + set_bpo + set_y;
if (unset == 4) // if too many settings are set
{
if (mode == 0)
{
Console.Error.WriteLine("You have set one parameter too many.\nUnset either --min-freq (-min), --max-freq (-max), --bpo (-b)\nExiting with error.\n");
}
if (mode == 1)
{
Console.Error.WriteLine("You have set one parameter too many.\nUnset either --min-freq (-min), --max-freq (-max), --bpo (-b) or --height (-y)\nExiting with error.\n");
}
Environment.Exit(1);
}
if (pixpersec != 0)
{
set_pps = 1;
}
if (Xsize != 0)
{
set_x = 1;
}
if (set_x + set_pps == 2 && mode == 0)
{
Console.Error.WriteLine("You cannot define both the image width and the horizontal resolution.\nUnset either --pps (-p) or --width (-x)\nExiting with error.\n");
Environment.Exit(1);
}
if (freqcfg != null) // load settings from file if it exists
{
if (basefreq == 0) // load values from it if they haven't been set yet
{
basefreq = double.Parse(freqcfg.ReadLine());
}
else
{
trash = double.Parse(freqcfg.ReadLine());
}
if (maxfreq == 0)
{
maxfreq = double.Parse(freqcfg.ReadLine());
}
else
{
trash = double.Parse(freqcfg.ReadLine());
}
if (bandsperoctave == 0)
{
bandsperoctave = double.Parse(freqcfg.ReadLine());
}
else
{
trash = double.Parse(freqcfg.ReadLine());
}
if (pixpersec == 0)
{
pixpersec = double.Parse(freqcfg.ReadLine());
}
else
{
trash = double.Parse(freqcfg.ReadLine());
}
}
else
{
if (basefreq == 0) // otherwise load default values
{
basefreq = 27.5;
}
if (maxfreq == 0)
{
maxfreq = 20000;
}
if (bandsperoctave == 0)
{
bandsperoctave = 12;
}
if (pixpersec == 0)
{
pixpersec = 150;
}
}
if (freqcfg != null)
{
freqcfg.Close();
}
if (unset < 3 && set_min == 0)
{
if (GlobalMembersUtil.quiet)
{
Console.Error.WriteLine("Please define a minimum frequency.\nUse --min-freq (-min).\nExiting with error.\n");
Environment.Exit(1);
}
Console.Write("Min. frequency (Hz) [{0:f3}]: ", basefreq);
gf = GlobalMembersUtil.GetFloat();
if (gf != 0)
{
basefreq = gf;
}
unset++;
set_min = 1;
}
basefreq /= samplerate; // turn basefreq from Hz to fractions of samplerate
if (unset < 3 && set_bpo == 0)
{
if (GlobalMembersUtil.quiet)
{
Console.Error.WriteLine("Please define a bands per octave setting.\nUse --bpo (-b).\nExiting with error.\n");
Environment.Exit(1);
}
Console.Write("Bands per octave [{0:f3}]: ", bandsperoctave);
gf = GlobalMembersUtil.GetFloat();
if (gf != 0)
{
bandsperoctave = gf;
}
unset++;
set_bpo = 1;
}
if (unset < 3 && set_max == 0)
{
i = 0;
do
{
i++;
f = basefreq * Math.Pow(GlobalMembersDsp.LOGBASE, (i / bandsperoctave));
}while (f < 0.5);
ma = basefreq * Math.Pow(GlobalMembersDsp.LOGBASE, ((i - 2) / bandsperoctave)) * samplerate; // max allowed frequency
if (maxfreq > ma)
{
if (GlobalMembersUtil.FMod(ma, 1.0) == 0.0)
{
maxfreq = ma; // replaces the "Upper frequency limit above Nyquist frequency" warning
}
else
{
maxfreq = ma - GlobalMembersUtil.FMod(ma, 1.0);
}
}
if (mode == 0) // if we're in Analysis mode
{
if (GlobalMembersUtil.quiet)
{
Console.Error.WriteLine("Please define a maximum frequency.\nUse --max-freq (-max).\nExiting with error.\n");
Environment.Exit(1);
}
Console.Write("Max. frequency (Hz) (up to {0:f3}) [{1:f3}]: ", ma, maxfreq);
gf = GlobalMembersUtil.GetFloat();
if (gf != 0)
{
maxfreq = gf;
}
if (maxfreq > ma)
{
if (GlobalMembersUtil.FMod(ma, 1.0) == 0.0)
{
maxfreq = ma; // replaces the "Upper frequency limit above Nyquist frequency" warning
}
else
{
maxfreq = ma - GlobalMembersUtil.FMod(ma, 1.0);
}
}
}
unset++;
set_max = 1;
}
if (set_min == 0)
{
basefreq = Math.Pow(GlobalMembersDsp.LOGBASE, (bands - 1) / bandsperoctave) * maxfreq; // calculate the lower frequency in Hz
Console.Write("Min. frequency : {0:f3} Hz\n", basefreq);
basefreq /= samplerate;
}
if (set_max == 0)
{
maxfreq = Math.Pow(GlobalMembersDsp.LOGBASE, (bands - 1) / bandsperoctave) * (basefreq * samplerate); // calculate the upper frequency in Hz
Console.Write("Max. frequency : {0:f3} Hz\n", maxfreq);
}
if (set_y == 0)
{
bands = 1 + (int)GlobalMembersUtil.RoundOff(bandsperoctave * (GlobalMembersUtil.Log(maxfreq) - GlobalMembersUtil.Log(basefreq * samplerate)));
Console.Write("Bands : {0:D}\n", bands);
}
if (set_bpo == 0)
{
if (GlobalMembersDsp.LOGBASE == 1.0)
{
bandsperoctave = maxfreq / samplerate;
}
else
{
bandsperoctave = (bands - 1) / (GlobalMembersUtil.Log(maxfreq) - GlobalMembersUtil.Log(basefreq * samplerate));
}
Console.Write("Bands per octave : {0:f3}\n", bandsperoctave);
}
if (set_x == 1 && mode == 0) // If we're in Analysis mode and that X is set (by the user)
{
pixpersec = (double)Xsize * (double)samplerate / (double)samplecount; // calculate pixpersec
Console.Write("Pixels per second : {0:f3}\n", pixpersec);
}
if ((mode == 0 && set_x == 0 && set_pps == 0) || (mode == 1 && set_pps == 0)) // If in Analysis mode none are set or pixpersec isn't set in Synthesis mode
{
if (GlobalMembersUtil.quiet)
{
Console.Error.WriteLine("Please define a pixels per second setting.\nUse --pps (-p).\nExiting with error.\n");
Environment.Exit(1);
}
Console.Write("Pixels per second [{0:f3}]: ", pixpersec);
gf = GlobalMembersUtil.GetFloat();
if (gf != 0)
{
pixpersec = gf;
}
}
basefreq *= samplerate; // turn back to Hz just for the sake of writing to the file
TextWriter freqcfgOut = new StreamWriter(configFileName); // saving settings to a file
if (freqcfgOut == null)
{
Console.Error.WriteLine("Cannot write to configuration file");
Environment.Exit(1);
}
freqcfgOut.WriteLine(basefreq);
freqcfgOut.WriteLine(maxfreq);
freqcfgOut.WriteLine(bandsperoctave);
freqcfgOut.WriteLine(pixpersec);
freqcfgOut.Close();
basefreq /= samplerate; // basefreq is now in fraction of the sampling rate instead of Hz
pixpersec /= samplerate; // pixpersec is now in fraction of the sampling rate instead of Hz
}
public static void Main(string[] args)
{
/*
* CommonUtils.FFT.FFTTesting.TimeSpectrograms();
* Console.ReadKey();
* return;
*
* int _channels = 0;
* int _samplecount = 0;
* int _samplerate = 0;
* string _filenameIn = @"C:\Users\perivar.nerseth\Music\Sleep Away16.wav";
* string _filenameOut = @"C:\Users\perivar.nerseth\Music\Sleep Away16-test2.png";
* double[][] _sound = GlobalMembersSoundIO.ReadWaveFile(_filenameIn, ref _channels, ref _samplecount, ref _samplerate); // Sound input
* double [] _s = _sound[0];
*
* Spectrogram spectrogram = new Spectrogram();
* Bitmap bmp = spectrogram.to_image(ref _s, _samplerate);
* bmp.Save(_filenameOut);
* Console.ReadKey();
* return;
* double[] out1 = new double[_samplecount];
* double[] out2 = new double[_samplecount];
* GlobalMembersDsp.FFT(ref _s, ref out1, _samplecount, GlobalMembersDsp.FFTMethod.DFT);
* GlobalMembersDsp.FFT(ref out1, ref out2, _samplecount, GlobalMembersDsp.FFTMethod.IDFT);
*
* _sound[0] = out2;
*
* BinaryFile binOut = new BinaryFile(_filenameOut, BinaryFile.ByteOrder.LittleEndian, true);
* GlobalMembersSoundIO.WriteWaveFile(binOut, _sound, 1, _samplecount, _samplerate, 16);
*
* Console.ReadKey();
* return;
*/
int argc = args.Length;
BinaryFile fin;
BinaryFile fout;
int i = 0;
double[][] sound;
double[][] image;
double basefreq = 0;
double maxfreq = 0;
double pixpersec = 0;
double bpo = 0;
double brightness = 1;
int channels = 0;
int samplecount = 0;
int samplerate = 0;
int Xsize = 0;
int Ysize = 0;
int format_param = 0;
long clockb = 0;
byte mode = 0;
string in_name = null;
string out_name = null;
// initialisation of global using defaults defined in dsp.h
GlobalMembersDsp.PI = PI_D;
GlobalMembersDsp.LOGBASE = LOGBASE_D;
GlobalMembersDsp.LOOP_SIZE_SEC = LOOP_SIZE_SEC_D;
GlobalMembersDsp.BMSQ_LUT_SIZE = BMSQ_LUT_SIZE_D;
#if QUIET
GlobalMembersUtil.quiet = true;
#else
GlobalMembersUtil.quiet = false;
#endif
Console.Write("The Analysis & Resynthesis Sound Spectrograph {0}\n", version);
RandomNumbers.Seed((int)DateTime.Now.Millisecond);
bool doHelp = false;
for (i = 0; i < argc; i++)
{
if (string.Compare(args[i], "/?") == 0) // DOS friendly help
{
doHelp = true;
}
if (args[i][0] != '-') // if the argument is not a function
{
if (in_name == null) // if the input file name hasn't been filled in yet
{
in_name = args[i];
}
else
if (out_name == null) // if the input name has been filled but not the output name yet
{
out_name = args[i];
}
else // if both names have already been filled in
{
Console.Error.WriteLine("You can only have two file names as parameters.\nRemove parameter \"%s\".\nExiting with error.\n", args[i]);
Environment.Exit(1);
}
}
else // if the argument is a parameter
{
if (string.Compare(args[i], "--analysis") == 0 || string.Compare(args[i], "-a") == 0)
{
mode = 1;
}
if (string.Compare(args[i], "--sine") == 0 || string.Compare(args[i], "-s") == 0)
{
mode = 2;
}
if (string.Compare(args[i], "--noise") == 0 || string.Compare(args[i], "-n") == 0)
{
mode = 3;
}
if (string.Compare(args[i], "--quiet") == 0 || string.Compare(args[i], "-q") == 0)
{
GlobalMembersUtil.quiet = true;
}
if (string.Compare(args[i], "--linear") == 0 || string.Compare(args[i], "-l") == 0)
{
GlobalMembersDsp.LOGBASE = 1.0;
}
if (string.Compare(args[i], "--sample-rate") == 0 || string.Compare(args[i], "-r") == 0)
{
if (StringUtils.IsNumeric(args[++i]))
{
samplerate = Convert.ToInt32(args[i]);
}
else
{
Console.Error.WriteLine(MSG_NUMBER_EXPECTED, args[i - 1]);
Environment.Exit(1);
}
}
if (string.Compare(args[i], "--min-freq") == 0 || string.Compare(args[i], "-min") == 0)
{
if (StringUtils.IsNumeric(args[++i]))
{
basefreq = Convert.ToDouble(args[i]);
if (basefreq == 0)
{
basefreq = Double.MinValue; // Set it to this extremely close-to-zero number so that it's considered set
}
}
else
{
Console.Error.WriteLine(MSG_NUMBER_EXPECTED, args[i - 1]);
Environment.Exit(1);
}
}
if (string.Compare(args[i], "--max-freq") == 0 || string.Compare(args[i], "-max") == 0)
{
if (StringUtils.IsNumeric(args[++i]))
{
maxfreq = Convert.ToDouble(args[i]);
}
else
{
Console.Error.WriteLine(MSG_NUMBER_EXPECTED, args[i - 1]);
Environment.Exit(1);
}
}
if (string.Compare(args[i], "--bpo") == 0 || string.Compare(args[i], "-b") == 0)
{
if (StringUtils.IsNumeric(args[++i]))
{
bpo = Convert.ToDouble(args[i]);
}
else
{
Console.Error.WriteLine(MSG_NUMBER_EXPECTED, args[i - 1]);
Environment.Exit(1);
}
}
if (string.Compare(args[i], "--pps") == 0 || string.Compare(args[i], "-p") == 0)
{
if (StringUtils.IsNumeric(args[++i]))
{
pixpersec = Convert.ToDouble(args[i]);
}
else
{
Console.Error.WriteLine(MSG_NUMBER_EXPECTED, args[i - 1]);
Environment.Exit(1);
}
}
if (string.Compare(args[i], "--height") == 0 || string.Compare(args[i], "-y") == 0)
{
if (StringUtils.IsNumeric(args[++i]))
{
Ysize = Convert.ToInt32(args[i]);
}
else
{
Console.Error.WriteLine(MSG_NUMBER_EXPECTED, args[i - 1]);
Environment.Exit(1);
}
}
if (string.Compare(args[i], "--width") == 0 || string.Compare(args[i], "-x") == 0)
{
if (StringUtils.IsNumeric(args[++i]))
{
Xsize = Convert.ToInt32(args[i]);
}
else
{
Console.Error.WriteLine(MSG_NUMBER_EXPECTED, args[i - 1]);
Environment.Exit(1);
}
}
if (string.Compare(args[i], "--loop-size") == 0)
{
if (StringUtils.IsNumeric(args[++i]))
{
GlobalMembersDsp.LOOP_SIZE_SEC = Convert.ToInt32(args[i]);
}
else
{
Console.Error.WriteLine(MSG_NUMBER_EXPECTED, args[i - 1]);
Environment.Exit(1);
}
}
if (string.Compare(args[i], "--log-base") == 0)
{
if (StringUtils.IsNumeric(args[++i]))
{
GlobalMembersDsp.LOGBASE = Convert.ToDouble(args[i]);
}
else
{
Console.Error.WriteLine(MSG_NUMBER_EXPECTED, args[i - 1]);
Environment.Exit(1);
}
}
if (string.Compare(args[i], "--bmsq-lut-size") == 0)
{
if (StringUtils.IsNumeric(args[++i]))
{
GlobalMembersDsp.BMSQ_LUT_SIZE = Convert.ToInt32(args[i]);
}
else
{
Console.Error.WriteLine(MSG_NUMBER_EXPECTED, args[i - 1]);
Environment.Exit(1);
}
}
if (string.Compare(args[i], "--pi") == 0) // lol
{
if (StringUtils.IsNumeric(args[++i]))
{
GlobalMembersDsp.PI = Convert.ToDouble(args[i]);
}
else
{
Console.Error.WriteLine(MSG_NUMBER_EXPECTED, args[i - 1]);
Environment.Exit(1);
}
}
if (string.Compare(args[i], "--format-param") == 0 || string.Compare(args[i], "-f") == 0)
{
if (StringUtils.IsNumeric(args[++i]))
{
format_param = Convert.ToInt32(args[i]);
}
else
{
Console.Error.WriteLine(MSG_NUMBER_EXPECTED, args[i - 1]);
Environment.Exit(1);
}
}
if (string.Compare(args[i], "--brightness") == 0 || string.Compare(args[i], "-g") == 0)
{
if (StringUtils.IsNumeric(args[++i]))
{
brightness = Convert.ToDouble(args[i]);
}
else
{
Console.Error.WriteLine(MSG_NUMBER_EXPECTED, args[i - 1]);
Environment.Exit(1);
}
}
// TODO implement --duration, -d
if (string.Compare(args[i], "--version") == 0 || string.Compare(args[i], "-v") == 0)
{
Console.Write("Copyright (C) 2005-2008 Michel Rouzic\nProgram last modified by its author on {0}\n", date);
Environment.Exit(0);
}
if (doHelp || string.Compare(args[i], "--help") == 0 || string.Compare(args[i], "-h") == 0)
{
GlobalMembersArss.PrintHelp();
Environment.Exit(0);
}
if (string.Compare(args[i], "--adv-help") == 0)
{
GlobalMembersArss.PrintAdvancedHelp();
Environment.Exit(0);
}
}
}
if (in_name != null) // if in_name has already been filled in
{
fin = new BinaryFile(in_name); // try to open it
if (fin == null)
{
Console.Error.WriteLine("The input file {0} could not be found\nExiting with error.\n", in_name);
Environment.Exit(1);
}
Console.Write("Input file : {0}\n", in_name);
}
else
{
if (GlobalMembersUtil.quiet)
{
Console.Error.WriteLine("Please specify an input file.\nExiting with error.\n");
Environment.Exit(1);
}
Console.Write("Type 'help' to read the manual page\n");
do
{
fin = null;
Console.Write("Input file : ");
in_name = GlobalMembersUtil.GetString();
if (string.Compare(in_name, "help") == 0) // if 'help' has been typed
{
fin = null;
GlobalMembersArss.PrintHelp(); // print the help
}
else
{
if (File.Exists(in_name))
{
fin = new BinaryFile(in_name);
}
}
}while (fin == null);
}
if (out_name != null) // if out_name has already been filled in
{
fout = new BinaryFile(out_name, BinaryFile.ByteOrder.LittleEndian, true);
if (fout == null)
{
Console.Error.WriteLine("The output file {0} could not be opened.\nPlease make sure it isn't opened by any other program and press Return.\nExiting with error.\n", out_name);
Environment.Exit(1);
}
Console.Write("Output file : {0}\n", out_name);
}
else
{
if (GlobalMembersUtil.quiet)
{
Console.Error.WriteLine("Please specify an output file.\nExiting with error.\n");
Environment.Exit(1);
}
Console.Write("Output file : ");
out_name = GlobalMembersUtil.GetString();
fout = null;
if (out_name != null && out_name != "")
{
fout = new BinaryFile(out_name, BinaryFile.ByteOrder.LittleEndian, true);
}
while (fout == null)
{
Console.Write("Output file : ");
out_name = GlobalMembersUtil.GetString();
if (out_name != null && out_name != "")
{
fout = new BinaryFile(out_name, BinaryFile.ByteOrder.LittleEndian, true);
}
}
// we will never get here cause BinaryFile does not return a null
while (fout == null)
{
Console.Error.WriteLine("The output file {0} could not be opened.\nPlease make sure it isn't opened by any other program and press Return.\n", out_name);
Console.Read();
fout = new BinaryFile(out_name, BinaryFile.ByteOrder.LittleEndian, true);
}
}
// make the string lowercase
in_name = in_name.ToLower();
if (mode == 0 && in_name.EndsWith(".wav"))
{
mode = 1; // Automatic switch to the Analysis mode
}
if (mode == 0)
{
do
{
if (GlobalMembersUtil.quiet)
{
Console.Error.WriteLine("Please specify an operation mode.\nUse either --analysis (-a), --sine (-s) or --noise (-n).\nExiting with error.\n");
Environment.Exit(1);
}
Console.Write("Choose the mode (Press 1, 2 or 3) :\n\t1. Analysis\n\t2. Sine synthesis\n\t3. Noise synthesis\n> ");
mode = (byte)GlobalMembersUtil.GetFloat();
}while (mode != 1 && mode != 2 && mode != 3);
}
if (mode == 1)
{
//sound = GlobalMembersSound_io.wav_in(fin, ref channels, ref samplecount, ref samplerate); // Sound input
fin.Close();
sound = GlobalMembersSoundIO.ReadWaveFile(in_name, ref channels, ref samplecount, ref samplerate); // Sound input
#if DEBUG
Console.Write("samplecount : {0:D}\nchannels : {1:D}\n", samplecount, channels);
#endif
GlobalMembersArss.SettingsInput(ref Ysize, ref samplecount, ref samplerate, ref basefreq, ref maxfreq, ref pixpersec, ref bpo, ref Xsize, 0); // User settings input
image = GlobalMembersDsp.Analyze(ref sound[0], ref samplecount, ref samplerate, ref Xsize, ref Ysize, ref bpo, ref pixpersec, ref basefreq); // Analysis
if (brightness != 1.0)
{
GlobalMembersDsp.BrightnessControl(ref image, ref Ysize, ref Xsize, 1.0 / brightness);
}
GlobalMembersImageIO.BMPWrite(fout, image, Ysize, Xsize); // Image output
}
if (mode == 2 || mode == 3)
{
sound = new double[1][];
image = GlobalMembersImageIO.BMPRead(fin, ref Ysize, ref Xsize); // Image input
// if the output format parameter is undefined
if (format_param == 0)
{
if (!GlobalMembersUtil.quiet) // if prompting is allowed
{
format_param = GlobalMembersSoundIO.GetWaveOutParameters();
}
else
{
format_param = 32; // default is 32
}
}
GlobalMembersArss.SettingsInput(ref Ysize, ref samplecount, ref samplerate, ref basefreq, ref maxfreq, ref pixpersec, ref bpo, ref Xsize, 1); // User settings input
if (brightness != 1.0)
{
GlobalMembersDsp.BrightnessControl(ref image, ref Ysize, ref Xsize, brightness);
}
if (mode == 2)
{
sound[0] = GlobalMembersDsp.SynthesizeSine(ref image, ref Xsize, ref Ysize, ref samplecount, ref samplerate, ref basefreq, ref pixpersec, ref bpo); // Sine synthesis
}
else
{
sound[0] = GlobalMembersDsp.SynthesizeNoise(ref image, ref Xsize, ref Ysize, ref samplecount, ref samplerate, ref basefreq, ref pixpersec, ref bpo); // Noise synthesis
}
GlobalMembersSoundIO.WriteWaveFile(fout, sound, 1, samplecount, samplerate, format_param);
}
clockb = GlobalMembersUtil.GetTime();
TimeSpan duration = TimeSpan.FromTicks((clockb - GlobalMembersDsp.clockA));
Console.Write("Processing time : {0:D2} m {1:D2} s {1:D2} ms\n", duration.Minutes, duration.Seconds, duration.Milliseconds);
GlobalMembersUtil.WinReturn();
}