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filters.c File Reference

#include "filters.h"
#include "stack_alloc.h"
#include <math.h>

Functions

void bw_lpc (float gamma, float *lpc_in, float *lpc_out, int order)
void filter_mem2 (float *x, float *num, float *den, float *y, int N, int ord, float *mem)
void iir_mem2 (float *x, float *den, float *y, int N, int ord, float *mem)
void fir_mem2 (float *x, float *num, float *y, int N, int ord, float *mem)
void syn_percep_zero (float *xx, float *ak, float *awk1, float *awk2, float *y, int N, int ord, char *stack)
void residue_percep_zero (float *xx, float *ak, float *awk1, float *awk2, float *y, int N, int ord, char *stack)
void qmf_decomp (float *xx, float *aa, float *y1, float *y2, int N, int M, float *mem, char *stack)
void fir_mem_up (float *x, float *a, float *y, int N, int M, float *mem, char *stack)
void comp_filter_mem_init (CombFilterMem *mem)
void comb_filter (float *exc, float *new_exc, float *ak, int p, int nsf, int pitch, float *pitch_gain, float comb_gain, CombFilterMem *mem)

Function Documentation

void bw_lpc float  gamma,
float *  lpc_in,
float *  lpc_out,
int  order
 

void comb_filter float *  exc,
float *  new_exc,
float *  ak,
int  p,
int  nsf,
int  pitch,
float *  pitch_gain,
float  comb_gain,
CombFilterMem mem
 

void comp_filter_mem_init CombFilterMem mem  ) 
 

void filter_mem2 float *  x,
float *  num,
float *  den,
float *  y,
int  N,
int  ord,
float *  mem
 

void fir_mem2 float *  x,
float *  num,
float *  y,
int  N,
int  ord,
float *  mem
 

void fir_mem_up float *  x,
float *  a,
float *  y,
int  N,
int  M,
float *  mem,
char *  stack
 

void iir_mem2 float *  x,
float *  den,
float *  y,
int  N,
int  ord,
float *  mem
 

void qmf_decomp float *  xx,
float *  aa,
float *  y1,
float *  y2,
int  N,
int  M,
float *  mem,
char *  stack
 

void residue_percep_zero float *  xx,
float *  ak,
float *  awk1,
float *  awk2,
float *  y,
int  N,
int  ord,
char *  stack
 

void syn_percep_zero float *  xx,
float *  ak,
float *  awk1,
float *  awk2,
float *  y,
int  N,
int  ord,
char *  stack
 


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