-BIQUAD_FILTER(s16, int16_t, INT16_MIN, INT16_MAX)
-BIQUAD_FILTER(s32, int32_t, INT32_MIN, INT32_MAX)
-BIQUAD_FILTER(flt, float, -1., 1.)
-BIQUAD_FILTER(dbl, double, -1., 1.)
+BIQUAD_FILTER(s16, int16_t, INT16_MIN, INT16_MAX, 1)
+BIQUAD_FILTER(s32, int32_t, INT32_MIN, INT32_MAX, 1)
+BIQUAD_FILTER(flt, float, -1., 1., 0)
+BIQUAD_FILTER(dbl, double, -1., 1., 0)