Esempio n. 1
0
        /// <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);
        }
Esempio n. 2
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		/// <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);
		}
Esempio n. 3
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		public static void ToPeqCoefficient(Coefficient[] digital, ParametricEqualizer.Parameter[] peq)
		{
			for(int i=0; i<digital.Length; ++i)
			{
				ToPeqCoefficient(digital[i], peq[i]);
			}
		}
Esempio n. 4
0
		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];
		}