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

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

public class Silk_biquad
extends Object

Second order ARMA filter Can handle slowly varying filter coefficients

Author:

Jing Dai

Constructor Summary

Silk_biquad()

Method Summary

(package private) static void

SKP_Silk_biquad(short[] in, int in_offset, short[] B, short[] A, int[] S, short[] out, int out_offset, int len) Second order ARMA filter Can handle slowly varying filter coefficients

Methods inherited from class java.lang.Object

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

Constructor Detail

Silk_biquad

public Silk_biquad()

Method Detail

SKP_Silk_biquad

static void SKP_Silk_biquad(short[] in,
                            int in_offset,
                            short[] B,
                            short[] A,
                            int[] S,
                            short[] out,
                            int out_offset,
                            int len)

Second order ARMA filter Can handle slowly varying filter coefficients

Parameters:

in - input signal

in_offset - offset of valid data.

B - MA coefficients, Q13 [3]

A - AR coefficients, Q13 [2]

S - state vector [2]

out - output signal

out_offset - offset of valid data.

len - signal length