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

---

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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