Package org.xiph.speex

Class NoiseSearch

  • public class NoiseSearch
extends CbSearch
    Noise codebook search
    Version:
    $Revision: 1.2 $
    Author:
    Jim Lawrence, helloNetwork.com, Marc Gimpel, Wimba S.A. (mgimpel@horizonwimba.com)

    • Constructor Summary

      Constructors 
      Constructor Description
      NoiseSearch()  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      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 (Noise).
      void unquant​(float[] exc, int es, int nsf, Bits bits)
      Codebook Search Unquantification (Noise).

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • NoiseSearch

        public NoiseSearch()

    • Method Detail

      • quant

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