diff options
-rwxr-xr-x | mec2.h | 17 | ||||
-rwxr-xr-x | mec2_const.h | 3 |
2 files changed, 17 insertions, 3 deletions
@@ -334,10 +334,21 @@ static inline short echo_can_update(echo_can_state_t *ec, short iref, short isig */ #ifndef NO_ECHO_SUPPRESSOR #ifdef AGGRESSIVE_SUPPRESSOR - if ((ec->HCNTR_d < AGGRESSIVE_HCNTR) && (ec->Ly_i > (ec->Lu_i << 1))) { - u = u * (ec->Lu_i >> DEFAULT_SIGMA_LU_I) / ((ec->Ly_i >> (DEFAULT_SIGMA_LY_I)) + 1); - u = u * (ec->Lu_i >> DEFAULT_SIGMA_LU_I) / ((ec->Ly_i >> (DEFAULT_SIGMA_LY_I)) + 1); +#ifdef AGGRESSIVE_TIMELIMIT /* This allows the aggressive suppressor to turn off after set amount of time */ + if (ec->i_d > AGGRESSIVE_TIMELIMIT ) { + if ((ec->HCNTR_d == 0) && ((ec->Ly_i/(ec->Lu_i + 1)) > DEFAULT_SUPPR_I)) { + u = u * (ec->Lu_i >> DEFAULT_SIGMA_LU_I) / ((ec->Ly_i >> (DEFAULT_SIGMA_LY_I + 2)) + 1); + } } + else { +#endif + if ((ec->HCNTR_d < AGGRESSIVE_HCNTR) && (ec->Ly_i > (ec->Lu_i << 1))) { + u = u * (ec->Lu_i >> DEFAULT_SIGMA_LU_I) / ((ec->Ly_i >> (DEFAULT_SIGMA_LY_I)) + 1); + u = u * (ec->Lu_i >> DEFAULT_SIGMA_LU_I) / ((ec->Ly_i >> (DEFAULT_SIGMA_LY_I)) + 1); + } +#ifdef AGGRESSIVE_TIMELIMIT + } +#endif #else if ((ec->HCNTR_d == 0) && ((ec->Ly_i/(ec->Lu_i + 1)) > DEFAULT_SUPPR_I)) { u = u * (ec->Lu_i >> DEFAULT_SIGMA_LU_I) / ((ec->Ly_i >> (DEFAULT_SIGMA_LY_I + 2)) + 1); diff --git a/mec2_const.h b/mec2_const.h index 9c897f4..4c7e8c9 100755 --- a/mec2_const.h +++ b/mec2_const.h @@ -21,5 +21,8 @@ #define RES_SUPR_FACTOR -20 #define AGGRESSIVE_HCNTR 160 /* 20ms */ +/* Only use agressive echo cancellation for this amount of time then go back to normal cancelation */ +/* #define AGGRESSIVE_TIMELIMIT 150000 */ /* 8 = 1ms */ + #endif /* _MEC2_CONST_H */ |