Class LtpForcedPitch

java.lang.Object
org.xiph.speex.Ltp
org.xiph.speex.LtpForcedPitch

public class LtpForcedPitch extends Ltp
Long Term Prediction Quantisation and Unquantisation (Forced Pitch)
Version:
$Revision: 1.2 $
Author:
Jim Lawrence, helloNetwork.com, Marc Gimpel, Wimba S.A. (mgimpel@horizonwimba.com)
  • Constructor Summary

    Constructors
    Constructor
    Description
     
  • Method Summary

    Modifier and Type
    Method
    Description
    final int
    quant(float[] target, float[] sw, int sws, float[] ak, float[] awk1, float[] awk2, float[] exc, int es, int start, int end, float pitch_coef, int p, int nsf, Bits bits, float[] exc2, int e2s, float[] r, int complexity)
    Long Term Prediction Quantification (Forced Pitch).
    final int
    unquant(float[] exc, int es, int start, float pitch_coef, int nsf, float[] gain_val, Bits bits, int count_lost, int subframe_offset, float last_pitch_gain)
    Long Term Prediction Unquantification (Forced Pitch).

    Methods inherited from class org.xiph.speex.Ltp

    inner_prod, open_loop_nbest_pitch

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  • Constructor Details

    • LtpForcedPitch

      public LtpForcedPitch()
  • Method Details

    • quant

      public final int quant(float[] target, float[] sw, int sws, float[] ak, float[] awk1, float[] awk2, float[] exc, int es, int start, int end, float pitch_coef, int p, int nsf, Bits bits, float[] exc2, int e2s, float[] r, int complexity)
      Long Term Prediction Quantification (Forced Pitch).
      Specified by:
      quant in class Ltp
      Returns:
      pitch
    • unquant

      public final int unquant(float[] exc, int es, int start, float pitch_coef, int nsf, float[] gain_val, Bits bits, int count_lost, int subframe_offset, float last_pitch_gain)
      Long Term Prediction Unquantification (Forced Pitch).
      Specified by:
      unquant in class Ltp
      Parameters:
      exc - - Excitation
      es - - Excitation offset
      start - - Smallest pitch value allowed
      pitch_coef - - Voicing (pitch) coefficient
      nsf - - Number of samples in subframe
      gain_val -
      bits - - Speex bits buffer.
      count_lost -
      subframe_offset -
      last_pitch_gain -
      Returns:
      pitch