public class Ltp3Tap extends Ltp
Modifier and Type | Field and Description |
---|---|
private float[][] |
e |
private float[] |
gain |
private int |
gain_bits |
private int[] |
gain_cdbk |
private int |
pitch_bits |
Constructor and Description |
---|
Ltp3Tap(int[] gain_cdbk,
int gain_bits,
int pitch_bits)
Constructor
|
Modifier and Type | Method and Description |
---|---|
private float |
pitch_gain_search_3tap(float[] target,
float[] ak,
float[] awk1,
float[] awk2,
float[] exc,
int es,
int pitch,
int p,
int nsf,
Bits bits,
float[] exc2,
int e2s,
float[] r,
int[] cdbk_index)
Finds the best quantized 3-tap pitch predictor by analysis by synthesis.
|
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 (3Tap).
|
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 (3Tap).
|
inner_prod, open_loop_nbest_pitch
private float[] gain
private int[] gain_cdbk
private int gain_bits
private int pitch_bits
private float[][] e
public Ltp3Tap(int[] gain_cdbk, int gain_bits, int pitch_bits)
gain_cdbk
- gain_bits
- pitch_bits
- 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)
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)
unquant
in class Ltp
exc
- - Excitationes
- - Excitation offsetstart
- - Smallest pitch value allowedpitch_coef
- - Voicing (pitch) coefficientnsf
- - Number of samples in subframegain_val
- bits
- - Speex bits buffer.count_lost
- subframe_offset
- last_pitch_gain
- private float pitch_gain_search_3tap(float[] target, float[] ak, float[] awk1, float[] awk2, float[] exc, int es, int pitch, int p, int nsf, Bits bits, float[] exc2, int e2s, float[] r, int[] cdbk_index)
target
- Target vectorak
- LPCs for this subframeawk1
- Weighted LPCs #1 for this subframeawk2
- Weighted LPCs #2 for this subframeexc
- Excitationes
- pitch
- Pitch valuep
- Number of LPC coeffsnsf
- Number of samples in subframebits
- exc2
- e2s
- r
- cdbk_index
- Copyright © 1999-2004 Wimba S.A. All Rights Reserved.