org.mobicents.media.server.impl.dsp.audio.g729
Class Pitch

java.lang.Object
  org.mobicents.media.server.impl.dsp.audio.g729.Pitch

public class Pitch
extends java.lang.Object

Constructor Summary

Pitch()

Method Summary

static int	enc_lag3(int T0, int T0_frac, IntegerPointer T0_min, IntegerPointer T0_max, int pit_min, int pit_max, int pit_flag)
static float	g_pitch(float[] xn, int xns, float[] y1, int y1s, float[] g_coeff, int gs, int l_subfr)
static float	interpol_3(float[] x, int xs, int frac)
static int	lag_max(float[] signal, int signals, int l_frame, int lagmax, int lagmin, FloatPointer cor_max)
static void	norm_corr(float[] exc, int excs, float[] xn, int xns, float[] h, int hs, int l_subfr, int t_min, int t_max, float[] corr_norm, int cs)
static int	pitch_fr3(float[] exc, int excs, float[] xn, int xns, float[] h, int hs, int l_subfr, int t0_min, int t0_max, int i_subfr, IntegerPointer pit_frac)
static int	pitch_ol(float[] signal, int signals, int pit_min, int pit_max, int l_frame)

Methods inherited from class java.lang.Object

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

Constructor Detail

Pitch

public Pitch()

Method Detail

pitch_ol

public static int pitch_ol(float[] signal,
                           int signals,
                           int pit_min,
                           int pit_max,
                           int l_frame)

lag_max

public static int lag_max(float[] signal,
                          int signals,
                          int l_frame,
                          int lagmax,
                          int lagmin,
                          FloatPointer cor_max)

pitch_fr3

public static int pitch_fr3(float[] exc,
                            int excs,
                            float[] xn,
                            int xns,
                            float[] h,
                            int hs,
                            int l_subfr,
                            int t0_min,
                            int t0_max,
                            int i_subfr,
                            IntegerPointer pit_frac)

norm_corr

public static void norm_corr(float[] exc,
                             int excs,
                             float[] xn,
                             int xns,
                             float[] h,
                             int hs,
                             int l_subfr,
                             int t_min,
                             int t_max,
                             float[] corr_norm,
                             int cs)

g_pitch

public static float g_pitch(float[] xn,
                            int xns,
                            float[] y1,
                            int y1s,
                            float[] g_coeff,
                            int gs,
                            int l_subfr)

enc_lag3

public static int enc_lag3(int T0,
                           int T0_frac,
                           IntegerPointer T0_min,
                           IntegerPointer T0_max,
                           int pit_min,
                           int pit_max,
                           int pit_flag)

interpol_3

public static float interpol_3(float[] x,
                               int xs,
                               int frac)