vbr.c File Reference

#include "vbr.h"
#include <math.h>

Include dependency graph for vbr.c:

Defines
#define	sqr(x)   ((x)*(x))
#define	MIN_ENERGY   6000
#define	NOISE_POW   .3
Functions
void	vbr_init (VBRState *vbr)
float	vbr_analysis (VBRState *vbr, spx_word16_t *sig, int len, int pitch, float pitch_coef)
void	vbr_destroy (VBRState *vbr)
Variables
const float	vbr_nb_thresh [9][11]
const float	vbr_hb_thresh [5][11]
const float	vbr_uhb_thresh [2][11]

---

Define Documentation

#define MIN_ENERGY   6000

#define NOISE_POW   .3

#define sqr

(

x

)

((x)*(x))

---

Function Documentation

float vbr_analysis	(	VBRState *	vbr,
		spx_word16_t *	sig,
		int	len,
		int	pitch,
		float	pitch_coef
	)

void vbr_destroy

(

VBRState *

vbr

)

void vbr_init

(

VBRState *

vbr

)

---

Variable Documentation

const float vbr_hb_thresh[5][11]

Initial value:

{
   {-1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0}, 
   {-1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0}, 
   {11.0, 11.0,  9.5,  8.5,  7.5,  6.0,  5.0,  3.9,  3.0,  2.0,  1.0}, 
   {11.0, 11.0, 11.0, 11.0, 11.0,  9.5,  8.7,  7.8,  7.0,  6.5,  4.0}, 
   {11.0, 11.0, 11.0, 11.0, 11.0, 11.0, 11.0, 11.0,  9.8,  7.5,  5.5}   
}

const float vbr_nb_thresh[9][11]

Initial value:

{
   {-1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0}, 
   { 3.5,  2.5,  2.0,  1.2,  0.5,  0.0, -0.5, -0.7, -0.8, -0.9, -1.0}, 
   {10.0,  6.5,  5.2,  4.5,  3.9,  3.5,  3.0,  2.5,  2.3,  1.8,  1.0}, 
   {11.0,  8.8,  7.5,  6.5,  5.0,  3.9,  3.9,  3.9,  3.5,  3.0,  1.0}, 
   {11.0, 11.0,  9.9,  9.0,  8.0,  7.0,  6.5,  6.0,  5.0,  4.0,  2.0}, 
   {11.0, 11.0, 11.0, 11.0,  9.5,  9.0,  8.0,  7.0,  6.5,  5.0,  3.0}, 
   {11.0, 11.0, 11.0, 11.0, 11.0, 11.0,  9.5,  8.5,  8.0,  6.5,  4.0}, 
   {11.0, 11.0, 11.0, 11.0, 11.0, 11.0, 11.0, 11.0,  9.8,  7.5,  5.5},  
   { 8.0,  5.0,  3.7,  3.0,  2.5,  2.0,  1.8,  1.5,  1.0,  0.0,  0.0}  
}

const float vbr_uhb_thresh[2][11]

Initial value:

{
   {-1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0}, 
   { 3.9,  2.5,  0.0,  0.0,  0.0,  0.0,  0.0,  0.0,  0.0,  0.0, -1.0}  
}

---