#define FilterLength 33 
float x[FilterLength]; 
float h[FilterLength] = {0.001924, 0.000216, -0.004076, -0.001761, 0.007413, 0.005098, -0.012036, -0.012000, 0.017152, 0.024198, -0.022516, -0.046650, 0.026986, 0.094979, -0.030172, -0.314508, 0.531186, -0.314508, -0.030172, 0.094979, 0.026986, -0.046650, -0.022516, 0.024198, 0.017152, -0.012000, -0.012036, 0.005098, 0.007413, -0.001761, -0.004076, 0.000216, 0.001924};