|
Defines |
#define | M_PI 3.14159265358979323846 |
#define | NULL 0 |
#define | FREQ_SCALE 1. |
#define | ANGLE2X(a) (spx_cos(a)) |
#define | X2ANGLE(x) (acos(x)) |
#define | SIGN_CHANGE(a, b) (((a)*(b))<0.0) |
Functions |
int | lpc_to_lsp (spx_coef_t *a, int lpcrdr, spx_lsp_t *freq, int nb, spx_word16_t delta, char *stack) |
void | lsp_to_lpc (spx_lsp_t *freq, spx_coef_t *ak, int lpcrdr, char *stack) |
void | lsp_enforce_margin (spx_lsp_t *lsp, int len, spx_word16_t margin) |
void | lsp_interpolate (spx_lsp_t *old_lsp, spx_lsp_t *new_lsp, spx_lsp_t *interp_lsp, int len, int subframe, int nb_subframes) |