Lines Matching full:gain_floor
209 spx_word16_t *gain_floor; /**< Minimum gain allowed */
321 static void compute_gain_floor(int noise_suppress, int effective_echo_suppress, spx_word32_t *noise, spx_word32_t *echo, spx_word16_t *gain_floor, int len)
331 /* gain_floor = sqrt [ (noise*noise_floor + echo*echo_floor) / (noise+echo) ] */
333 gain_floor[i] = MULT16_16_Q15(noise_gain,
341 /* gain_floor = sqrt [ (noise*noise_floor + echo*echo_floor) / (noise+echo) ] */
343 gain_floor[i] = MULT16_16_Q15(echo_gain,
380 static void compute_gain_floor(int noise_suppress, int effective_echo_suppress, spx_word32_t *noise, spx_word32_t *echo, spx_word16_t *gain_floor, int len)
391 gain_floor[i] = FRAC_SCALING*sqrt(noise_floor*PSHR32(noise[i],NOISE_SHIFT) + echo_floor*echo[i])/sqrt(1+PSHR32(noise[i],NOISE_SHIFT) + echo[i]);
462 st->gain_floor = (spx_word16_t*)speex_alloc((N+M)*sizeof(spx_word16_t));
539 speex_free(st->gain_floor);
829 compute_gain_floor(st->noise_suppress, effective_echo_suppress, st->noise+N, st->echo_noise+N, st->gain_floor+N, M);
878 filterbank_compute_psd16(st->bank,st->gain_floor+N, st->gain_floor);
910 if (st->gain[i] < st->gain_floor[i])
911 st->gain[i] = st->gain_floor[i];
918 tmp = MULT16_16_P15(p,spx_sqrt(SHL32(EXTEND32(st->gain[i]),15))) + MULT16_16_P15(SUB16(Q15_ONE,p),spx_sqrt(SHL32(EXTEND32(st->gain_floor[i]),15)));
922 /*st->gain2[i] = pow(st->gain[i], p) * pow(st->gain_floor[i],1.f-p);*/
929 st->gain[i] = MAX16(st->gain[i], st->gain_floor[i]);
930 tmp = MULT16_16_P15(p,spx_sqrt(SHL32(EXTEND32(st->gain[i]),15))) + MULT16_16_P15(SUB16(Q15_ONE,p),spx_sqrt(SHL32(EXTEND32(st->gain_floor[i]),15)));
