int Lbgn, Lbgn_acc, Lbgn_upper, Lbgn_upper_acc;
/* foreground and background filter states */
- fir16_state_t fir_state;
- fir16_state_t fir_state_bg;
+ struct fir16_state_t fir_state;
+ struct fir16_state_t fir_state_bg;
int16_t *fir_taps16[2];
/* DC blocking filter states */