public static void Main()
{
int sampleRate = 8000;
int sampleCount = 8000 * 2;
double[] tone_1, tone_2;
var func_1 = new Sinusoid();
func_1.Frequency = 440;
func_1.Amplitude = 0.5;
func_1.Phase = 90;
var func_2 = new Sinusoid();
func_2.Frequency = 698.46;
func_2.Amplitude = 0.45;
func_2.Phase = 0;
generateTone(sampleRate, func_1, 2.0, out tone_1);
generateTone(sampleRate, func_2, 2.0, out tone_2);
double[] data;
addTones(sampleCount, tone_1, tone_2, out data);
writeData(sampleRate, "test.wav", data);
}
public static void generateTone(int sampleRate, Sinusoid func, double time, out double[] samples)
{
int sampleCount = (int)Math.Floor((double)sampleRate * time);
samples = new double[sampleCount];
for (var i = 0; i < sampleCount; i++)
{
samples[i] = func.sample(i / (double)sampleRate);
}
}
public static void generateTone(int sampleRate, double frequency, double amplitude, double time, out double[] samples)
{
int sampleCount = (int)Math.Floor((double)sampleRate * time);
samples = new double[sampleCount];
var myCos = new Sinusoid();
myCos.Amplitude = amplitude;
myCos.Frequency = frequency;
for (var i = 0; i < sampleCount; i++)
{
samples[i] = myCos.sample(i / (double)sampleRate);
}
}