Searched refs:sinc (Results 1 - 2 of 2) sorted by relevance
/frameworks/av/tools/resampler_tools/ |
H A D | fir.cpp | 23 static inline double sinc(double x) { function 253 double y = kaiser(ix+N, 2*N, beta) * sinc(x) * 2.0 * Fcr; 281 double y = kaiser(i+N, 2*N, beta) * sinc(x) * 2.0 * Fcr;;
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/frameworks/av/services/audioflinger/ |
H A D | AudioResamplerSinc.cpp | 471 * p = past samples, convoluted with the (p)ositive side of sinc() 472 * n = future samples, convoluted with the (n)egative side of sinc() 846 int32_t sinc = mulAdd(lerp, (c1-c0)<<1, c0); local 849 l = mulAddRL(1, rl, sinc, l); 850 r = mulAddRL(0, rl, sinc, r); 852 r = l = mulAdd(samples[0], sinc, l);
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