Searched refs:sinc (Results 1 – 1 of 1) sorted by relevance
39 uint32_t sinc[DECIMATION_MAX * SINCN]; variable184 sinc[0] = 0; in Open_PDM_Filter_Init()185 sinc[decimation * SINCN - 1] = 0; in Open_PDM_Filter_Init()187 convolve(sinc2, decimation * 2 - 1, sinc1, decimation, &sinc[1]); in Open_PDM_Filter_Init()190 coef[j][i] = sinc[j * decimation + i]; in Open_PDM_Filter_Init()191 sum += sinc[j * decimation + i]; in Open_PDM_Filter_Init()