net.java.sip.communicator.impl.neomedia.codec.audio.silk
Class Silk_corrMatrix_FLP

java.lang.Object
  net.java.sip.communicator.impl.neomedia.codec.audio.silk.Silk_corrMatrix_FLP

public class Silk_corrMatrix_FLP
extends Object

Correlation matrix computations for LS estimate.

Author:

Dingxin Xu

Constructor Summary

Silk_corrMatrix_FLP()

Method Summary

(package private) static void	SKP_Silk_corrMatrix_FLP(float[] x, int x_offset, int L, int Order, float[] XX, int XX_offset) Calculates correlation matrix X'*X.
(package private) static void	SKP_Silk_corrVector_FLP(float[] x, int x_offset, float[] t, int t_offset, int L, int Order, float[] Xt) Calculates correlation vector X'*t.

Methods inherited from class java.lang.Object

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

Constructor Detail

Silk_corrMatrix_FLP

public Silk_corrMatrix_FLP()

Method Detail

SKP_Silk_corrVector_FLP

static void SKP_Silk_corrVector_FLP(float[] x,
                                    int x_offset,
                                    float[] t,
                                    int t_offset,
                                    int L,
                                    int Order,
                                    float[] Xt)

Calculates correlation vector X'*t.

Parameters:

x - x vector [L+order-1] used to create X.

x_offset - offset of valid data.

t - Target vector [L].

t_offset - offset of valid data.

L - Length of vecors.

Order - Max lag for correlation.

Xt - X'*t correlation vector [order].

SKP_Silk_corrMatrix_FLP

static void SKP_Silk_corrMatrix_FLP(float[] x,
                                    int x_offset,
                                    int L,
                                    int Order,
                                    float[] XX,
                                    int XX_offset)

Calculates correlation matrix X'*X.

Parameters:

x - x vector [ L+order-1 ] used to create X.

x_offset - offset of valid data.

L - Length of vectors.

Order - Max lag for correlation.

XX - X'*X correlation matrix [order x order].

XX_offset - offset of valid data.