~ajb

PitchShifting

PitchShifting
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br.usp.ime.dspbenchmarking.algorithms

Class PitchShifting


  • public class PitchShifting
extends DspAlgorithm
    ATTENTION: This class is currently not used. This is on of the reasons why is is not properly documented.

    • Constructor Summary

      Constructors 
      Constructor and Description
      PitchShifting(int sRate, int bSize) 

    • Method Summary

      Methods 
      Modifier and Type Method and Description
      java.lang.String getAlgorithmName() 
      private int getIndexOfMax(short[] a)
      Returns the (first) index of the maximum value of an array.
      void perform(double[] buffer)
      Shifts the pitch of the incoming signal.
      private short[] xcorr(short[] x1, short[] x2)
      Calculates the correlation between two vectors.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • PitchShifting

        public PitchShifting(int sRate,
             int bSize)

    • Method Detail

      • perform

        public void perform(double[] buffer)
        Shifts the pitch of the incoming signal.
        Specified by:
        perform in class DspAlgorithm

      • xcorr

        private short[] xcorr(short[] x1,
            short[] x2)
        Calculates the correlation between two vectors.
        Parameters:
        x1 -
        x2 -
        Returns:

      • getIndexOfMax

        private int getIndexOfMax(short[] a)
        Returns the (first) index of the maximum value of an array.
        Parameters:
        a -
        Returns:

      • getAlgorithmName

        public java.lang.String getAlgorithmName()
        Specified by:
        getAlgorithmName in class DspAlgorithm
        Returns:
        The name of the algorithm.