Searched refs:lpcrdr (Results 1 - 2 of 2) sorted by relevance

/external/speex/libspeex/
H A Dlsp.h56 int lpc_to_lsp (spx_coef_t *a, int lpcrdr, spx_lsp_t *freq, int nb, spx_word16_t delta, char *stack);
57 void lsp_to_lpc(spx_lsp_t *freq, spx_coef_t *ak, int lpcrdr, char *stack);
H A Dlsp.c55 A(z) is a polynomial of order lpcrdr with {ak} as the coefficients.
77 thru it lpcrdr times gives us the impulse response of A(z) which is
219 int lpc_to_lsp (spx_coef_t *a,int lpcrdr,spx_lsp_t *freq,int nb,spx_word16_t delta, char *stack) argument
221 /* int lpcrdr order of LPC coefficients (10) */
244 m = lpcrdr/2; /* order of P'(z) & Q'(z) polynomials */
262 *px++ = SUB32(ADD32(EXTEND32(a[i]),EXTEND32(a[lpcrdr-i-1])), *p++);
263 *qx++ = ADD32(SUB32(EXTEND32(a[i]),EXTEND32(a[lpcrdr-i-1])), *q++);
285 *px++ = (a[i]+a[lpcrdr-1-i]) - *p++;
286 *qx++ = (a[i]-a[lpcrdr-1-i]) + *q++;
319 for(j=0;j<lpcrdr;
403 lsp_to_lpc(spx_lsp_t *freq,spx_coef_t *ak,int lpcrdr, char *stack) argument
522 lsp_to_lpc(spx_lsp_t *freq,spx_coef_t *ak,int lpcrdr, char *stack) argument
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