search for: poullet

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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 -------------- next part -------------- A non-text attachment was scrubbed... Name: cwc_patch Type: application/octet-stream Size: 1226 bytes Desc: not available Url : http://lists.xiph.org/pipermail/speex-dev/attachments/20051208/5ea1d72a/cwc_patch.obj