/// <summary>
///
/// </summary>
public PitchShifter(Queue input, Queue temp1, Queue temp2, Queue output, int size, int overlap, double rate, int maxSkip)
: base(input, output)
{
this.cap = new EllipticFilterDesigner(8, 0.99, 0.05).GetAnalogPrototype();
this.cd = new Coefficient[this.cap.Length];
for (int i = 0; i < this.cd.Length; ++i)
{
this.cd[i] = new Coefficient();
}
this.peq = new ParametricEqualizer.Parameter[this.cap.Length];
for (int i = 0; i < this.peq.Length; ++i)
{
this.peq[i] = new ParametricEqualizer.Parameter();
}
this.pipes = new Pipe[3];
this.fl = new ParametricEqualizer(this.peq);
this.fr = new ParametricEqualizer(this.peq);
this.ts = new TimeStretcher(input, output, size, overlap, 1.0 / rate, maxSkip);
this.rt = new RateTransposer(input, output, rate);
this.fp = new FilteredPipe(input, output, fl, fr);
this.temp1 = temp1;
this.temp2 = temp2;
this.SetRate(rate);
this.cp = new CascadePipe(this.pipes);
}
/// <summary>
///
/// </summary>
public PitchShifter(Queue input, Queue temp1, Queue temp2, Queue output, int size, int overlap, double rate, int maxSkip)
: base(input, output)
{
this.cap = new EllipticFilterDesigner(8, 0.99, 0.05).GetAnalogPrototype();
this.cd= new Coefficient[this.cap.Length];
for(int i=0; i<this.cd.Length; ++i) this.cd[i] = new Coefficient();
this.peq = new ParametricEqualizer.Parameter[this.cap.Length];
for(int i=0; i<this.peq.Length; ++i) this.peq[i] = new ParametricEqualizer.Parameter();
this.pipes = new Pipe[3];
this.fl = new ParametricEqualizer(this.peq);
this.fr = new ParametricEqualizer(this.peq);
this.ts = new TimeStretcher(input, output, size, overlap, 1.0/rate, maxSkip);
this.rt = new RateTransposer(input, output, rate);
this.fp = new FilteredPipe(input, output, fl, fr);
this.temp1 = temp1;
this.temp2 = temp2;
this.SetRate(rate);
this.cp = new CascadePipe(this.pipes);
}
public static void ToPeqCoefficient(Coefficient[] digital, ParametricEqualizer.Parameter[] peq)
{
for(int i=0; i<digital.Length; ++i)
{
ToPeqCoefficient(digital[i], peq[i]);
}
}
public static void ToPeqCoefficient(Coefficient digital, ParametricEqualizer.Parameter peq)
{
double[] a = digital.a;
double[] b = digital.b;
peq.c = b[0] / a[0];
peq.a1 = -a[1] / a[0];
peq.a2 = -a[2] / a[0];
peq.b1 = b[1] / b[0];
peq.b2 = b[2] / b[0];
}