Package org.xiph.speex

Class CbSearch

  • Direct Known Subclasses:
    NoiseSearch, SplitShapeSearch
    public abstract class CbSearch
extends java.lang.Object
    Abstract class that is the base for the various Codebook search methods.
    Version:
    $Revision: 1.2 $
    Author:
    Jim Lawrence, helloNetwork.com, Marc Gimpel, Wimba S.A. (mgimpel@horizonwimba.com)

    • Constructor Summary

      Constructors 
      Constructor Description
      CbSearch()  

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      abstract void quant​(float[] target, float[] ak, float[] awk1, float[] awk2, int p, int nsf, float[] exc, int es, float[] r, Bits bits, int complexity)
      Codebook Search Quantification.
      abstract void unquant​(float[] exc, int es, int nsf, Bits bits)
      Codebook Search Unquantification.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • CbSearch

        public CbSearch()

    • Method Detail

      • quant

        public abstract void quant​(float[] target,
                           float[] ak,
                           float[] awk1,
                           float[] awk2,
                           int p,
                           int nsf,
                           float[] exc,
                           int es,
                           float[] r,
                           Bits bits,
                           int complexity)
        Codebook Search Quantification.
        Parameters:
        target - target vector
        ak - LPCs for this subframe
        awk1 - Weighted LPCs for this subframe
        awk2 - Weighted LPCs for this subframe
        p - number of LPC coeffs
        nsf - number of samples in subframe
        exc - excitation array.
        es - position in excitation array.
        r -
        bits - Speex bits buffer.
        complexity -

      • unquant

        public abstract void unquant​(float[] exc,
                             int es,
                             int nsf,
                             Bits bits)
        Codebook Search Unquantification.
        Parameters:
        exc - - excitation array.
        es - - position in excitation array.
        nsf - - number of samples in subframe.
        bits - - Speex bits buffer.