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

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

public class Silk_sum_sqr_shift
extends Object

compute number of bits to right shift the sum of squares of a vector of int16s to make it fit in an int32

Author:

Jing Dai, Dingxin Xu

Constructor Summary

Silk_sum_sqr_shift()

Method Summary

(package private) static void

SKP_Silk_sum_sqr_shift(int[] energy, int[] shift, short[] x, int x_offset, int len) Compute number of bits to right shift the sum of squares of a vector of int16s to make it fit in an int32.

Methods inherited from class java.lang.Object

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

Constructor Detail

Silk_sum_sqr_shift

public Silk_sum_sqr_shift()

Method Detail

SKP_Silk_sum_sqr_shift

static void SKP_Silk_sum_sqr_shift(int[] energy,
                                   int[] shift,
                                   short[] x,
                                   int x_offset,
                                   int len)

Compute number of bits to right shift the sum of squares of a vector of int16s to make it fit in an int32.

Parameters:

energy - Energy of x, after shifting to the right.

shift - Number of bits right shift applied to energy.

x - Input vector.

x_offset - offset of valid data.

len - Length of input vector.