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

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

public class Silk_biquad_alt
extends Object

Second order ARMA filter, alternative implementation.

Author:

Jing Dai, Dingxin Xu

Constructor Summary

Silk_biquad_alt()

Method Summary

(package private) static void

SKP_Silk_biquad_alt(short[] in, int in_offset, int[] B_Q28, int[] A_Q28, int[] S, short[] out, int out_offset, int len) Second order ARMA filter, alternative implementation.

Methods inherited from class java.lang.Object

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

Constructor Detail

Silk_biquad_alt

public Silk_biquad_alt()

Method Detail

SKP_Silk_biquad_alt

static void SKP_Silk_biquad_alt(short[] in,
                                int in_offset,
                                int[] B_Q28,
                                int[] A_Q28,
                                int[] S,
                                short[] out,
                                int out_offset,
                                int len)

Second order ARMA filter, alternative implementation.

Parameters:

in - Input signal.

in_offset - offset of valid data.

B_Q28 - MA coefficients [3].

A_Q28 - AR coefficients [2].

S - State vector [2].

out - Output signal.

out_offset - offset of valid data.

len - Signal length (must be even).