/// <summary>
/// decide if the voice is man's or woman's
/// </summary>
public void identification()
{
string filename = Environment.CurrentDirectory + "/gamma.txt";
string gamma = File.ReadAllText(filename);
double gamma1 = Convert.ToDouble(gamma);
int nf = 700;
Console.WriteLine("Start FFT...");
FFT hitungFft = new FFT();
Console.WriteLine("waiting for process...");
Complex[] X = hitungFft.fft(x, nf, 300);
getMaxFreq maximumFrequency = new getMaxFreq();
int max = maximumFrequency.MaxFreq(X);
Console.WriteLine("");
Console.WriteLine("Maximum frequency is " + max + " Hz");
if ((double)max < gamma1)
{
Console.Write("Result = ");
Console.ForegroundColor = ConsoleColor.Blue;
Console.Write("male voice");
Console.ResetColor();
Console.WriteLine("");
Console.WriteLine("");
Console.WriteLine("=====================================");
Console.WriteLine("");
genderResult hasil = new genderResult {
name = "GenderIdentification", gender = "male"
};
string body = JsonConvert.SerializeObject(hasil); //serialisasi data menjadi string
byte[] a = Encoding.UTF8.GetBytes(body);
channelSendGender.BasicPublish("amq.topic", channelKeySendGender, null, a); //mengirim data ke RabbitMQ
}
else
{
Console.Write("Result = ");
Console.ForegroundColor = ConsoleColor.Red;
Console.Write("female voice");
Console.ResetColor();
Console.WriteLine("");
Console.WriteLine("");
Console.WriteLine("=====================================");
Console.WriteLine("");
genderResult hasil = new genderResult {
name = "GenderIdentification", gender = "female"
};
string body = JsonConvert.SerializeObject(hasil); //serialisasi data menjadi string
byte[] a = Encoding.UTF8.GetBytes(body);
channelSendGender.BasicPublish("amq.topic", channelKeySendGender, null, a); //mengirim data ke RabbitMQ
}
}
/// <summary>
/// produce gamma and write maximum frequency to csv file
/// </summary>
public void machineLearning()
{
Console.WriteLine("================================================================================");
Console.WriteLine(" Gender Training Program");
Console.WriteLine("");
Console.WriteLine("================================================================================");
// Preparing wave file
Console.WriteLine("preparing wave file...");
Console.WriteLine("");
getAudioData getWave = new getAudioData();
Console.WriteLine("wave file is ready.");
Console.WriteLine("");
Console.WriteLine("================================================================================");
long totalFreqFe = 0;
int totalNFe = 0;
string csvPath = Environment.CurrentDirectory + "/frequency.csv";
StringBuilder sb = new StringBuilder();
sb.Append(string.Format("female,"));
int nf = 700;
Console.WriteLine("processing female frequency...");
for (int i = 1; i <= 5; i++)
{
string filename = Environment.CurrentDirectory + @"/female/" + i + "_female.wav";
double[] x = getWave.WaveReady(filename);
FFT hitungFft = new FFT();
Complex[] X = hitungFft.fft(x, nf, 300);
getMaxFreq maximumFrequency = new getMaxFreq();
int max = maximumFrequency.MaxFreq(X);
Console.WriteLine("Maximum Frequency of number " + i + " is " + max + " Hz");
sb.Append(string.Format("{0},", max.ToString()));
totalFreqFe = totalFreqFe + max;
totalNFe++;
}
sb.Append(string.Format("{0}", Environment.NewLine));
double feAvg = totalFreqFe / totalNFe;
long totalFreqMa = 0;
int totalNMa = 0;
sb.Append(string.Format("male,"));
Console.WriteLine("");
Console.WriteLine("processing male frequency...");
for (int i = 1; i <= 5; i++)
{
string filename = Environment.CurrentDirectory + @"/male/" + i + "_male.wav";
double[] x = getWave.WaveReady(filename);
FFT hitungFft = new FFT();
Complex[] X = hitungFft.fft(x, nf, 300);
getMaxFreq maximumFrequency = new getMaxFreq();
int max = maximumFrequency.MaxFreq(X);
Console.WriteLine("Maximum Frequency of number " + i + " is " + max + " Hz");
sb.Append(string.Format("{0},", max.ToString()));
totalFreqMa = totalFreqMa + max;
totalNMa++;
}
double maAvg = totalFreqMa / totalNMa;
double gamma = (feAvg + maAvg) / 2;
Console.WriteLine("");
Console.WriteLine("Treshold value: " + gamma);
string txtPath = Environment.CurrentDirectory + "/gamma.txt";
File.WriteAllText(txtPath, gamma.ToString());
File.WriteAllText(csvPath, sb.ToString());
Console.WriteLine("");
Console.WriteLine("Press any key to continue..");
Console.ReadKey();
}