net.java.sip.communicator.impl.neomedia.codec.audio.g729
Class Pwf

java.lang.Object
  net.java.sip.communicator.impl.neomedia.codec.audio.g729.Pwf

 class Pwf
extends Object

Author:

Lubomir Marinov (translation of ITU-T C source code to Java)

Constructor Summary

Pwf()

Method Summary

(package private) void

perc_var(float[] gamma1, float[] gamma2, float[] lsfint, float[] lsfnew, float[] r_c) Adaptive bandwidth expansion for perceptual weighting filter

Methods inherited from class java.lang.Object

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

Constructor Detail

Pwf

Pwf()

Method Detail

perc_var

void perc_var(float[] gamma1,
              float[] gamma2,
              float[] lsfint,
              float[] lsfnew,
              float[] r_c)

Adaptive bandwidth expansion for perceptual weighting filter

Parameters:

gamma1 - output: gamma1 value

gamma2 - output: gamma2 value

lsfint - input : Interpolated lsf vector : 1st subframe

lsfnew - input : lsf vector : 2nd subframe

r_c - input : Reflection coefficients