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poulet
2005 Nov 29
2
cheb_poly_eva using Clenshaw's recurrence formula
.../* b1 holds the previous value of b0 */
}
return(-b1+x/2*b0+coef[m2]);
}
I don't really know if it's a little improvement or not, so I'd like
to have feedback from the Speex experts here.
Thanks a lot for releasing Speex, it helps me a lot to understand
speech coding !
Matthieu Poullet
2005 Nov 29
0
cheb_poly_eva using Clenshaw's recurrence formula
Hello,
Matthieu Poullet schrieb:
> static float cheb_poly_eva(spx_word32_t *coef, float x, int m, char *stack)
> {
> int k;
> float b0, b1, tmp;
> int m2=m>>1;
>
> /* Initial conditions */
> b0=0; /* b_(m+1) */
> b1=0; /* b_(m+2) */
>
> x*=2;
>
> /* Calculate the b_(...
2005 Dec 09
1
[PATCH] compute_weighted_codebook a little bit faster
Hi,
here is a patch making the function compute_weighted_codebook a little
bit faster. Not so impressive but avoid a loop and is really faster on
small platforms like the MIPS I'm working on.
Enjoy,
Matthieu Poullet
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