net.java.sip.communicator.impl.neomedia.codec.audio.silk
Class Silk_decimate2_coarse_FLP

java.lang.Object
  net.java.sip.communicator.impl.neomedia.codec.audio.silk.Silk_decimate2_coarse_FLP

public class Silk_decimate2_coarse_FLP
extends Object

Author:

Jing Dai, Dingxin Xu

Field Summary

(package private) static float[]	A20c_FLP
(package private) static float[]	A21c_FLP

Constructor Summary

Silk_decimate2_coarse_FLP()

Method Summary

(package private) static void

SKP_Silk_decimate2_coarse_FLP(float[] in, int in_offset, float[] S, int S_offset, float[] out, int out_offset, float[] scratch, int scratch_offset, int len) downsample by a factor 2, coarser.

Methods inherited from class java.lang.Object

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

Field Detail

A20c_FLP

static float[] A20c_FLP

A21c_FLP

static float[] A21c_FLP

Constructor Detail

Silk_decimate2_coarse_FLP

public Silk_decimate2_coarse_FLP()

Method Detail

SKP_Silk_decimate2_coarse_FLP

static void SKP_Silk_decimate2_coarse_FLP(float[] in,
                                          int in_offset,
                                          float[] S,
                                          int S_offset,
                                          float[] out,
                                          int out_offset,
                                          float[] scratch,
                                          int scratch_offset,
                                          int len)

downsample by a factor 2, coarser.

Parameters:

in - 16 kHz signal [2*len].

in_offset - offset of the valid data.

S - state vector [4].

S_offset - offset of the valid data.

out - 8 kHz signal [len]

out_offset - offset of the valid data.

scratch - scratch memory [3*len].

scratch_offset - offset of the valid data.

len - number of OUTPUT samples.