preprocess.c File Reference

#include <math.h>
#include "speex/speex_preprocess.h"
#include "misc.h"
#include "smallft.h"

Include dependency graph for preprocess.c:

Defines
#define	max(a, b)   ((a) > (b) ? (a) : (b))
#define	min(a, b)   ((a) < (b) ? (a) : (b))
#define	M_PI   3.14159263
#define	SQRT_M_PI_2   0.88623
#define	LOUDNESS_EXP   2.5
#define	NB_BANDS   8
#define	SPEEX_PROB_START_DEFAULT   0.35f
#define	SPEEX_PROB_CONTINUE_DEFAULT   0.20f
#define	ZMIN   .1
#define	ZMAX   .316
#define	ZMIN_1   10
#define	LOG_MIN_MAX_1   0.86859
#define	NOISE_OVERCOMPENS   1.4
Functions
SpeexPreprocessState *	speex_preprocess_state_init (int frame_size, int sampling_rate)
void	speex_preprocess_state_destroy (SpeexPreprocessState *st)
int	speex_preprocess (SpeexPreprocessState *st, spx_int16_t *x, spx_int32_t *echo)
void	speex_preprocess_estimate_update (SpeexPreprocessState *st, spx_int16_t *x, spx_int32_t *echo)
int	speex_preprocess_ctl (SpeexPreprocessState *state, int request, void *ptr)

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Define Documentation

#define LOG_MIN_MAX_1   0.86859

#define LOUDNESS_EXP   2.5

#define M_PI   3.14159263

#define max (  a, b   )     ((a) > (b) ? (a) : (b))

#define min (  a, b   )     ((a) < (b) ? (a) : (b))

#define NB_BANDS   8

#define NOISE_OVERCOMPENS   1.4

#define SPEEX_PROB_CONTINUE_DEFAULT   0.20f

#define SPEEX_PROB_START_DEFAULT   0.35f

#define SQRT_M_PI_2   0.88623

#define ZMAX   .316

#define ZMIN   .1

#define ZMIN_1   10

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Function Documentation

int speex_preprocess (  SpeexPreprocessState *  st, spx_int16_t *  x, spx_int32_t *  echo )

int speex_preprocess_ctl (  SpeexPreprocessState *  state, int  request, void *  ptr )

void speex_preprocess_estimate_update (  SpeexPreprocessState *  st, spx_int16_t *  x, spx_int32_t *  echo )

void speex_preprocess_state_destroy (  SpeexPreprocessState *  st  )

SpeexPreprocessState* speex_preprocess_state_init (  int  frame_size, int  sampling_rate )

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