Searched refs:noise_floor (Results 1 - 4 of 4) sorted by relevance
/external/syslinux/gpxe/src/drivers/net/ath5k/ |
H A D | ath5k_phy.c | 1136 s32 noise_floor; local 1155 noise_floor = ath5k_hw_reg_read(ah, AR5K_PHY_NF); 1156 noise_floor = AR5K_PHY_NF_RVAL(noise_floor); 1157 if (noise_floor & AR5K_PHY_NF_ACTIVE) { 1158 noise_floor = AR5K_PHY_NF_AVAL(noise_floor); 1160 if (noise_floor <= AR5K_TUNE_NOISE_FLOOR) 1165 DBG2("ath5k: noise floor %d\n", noise_floor); 1167 if (noise_floor > AR5K_TUNE_NOISE_FLOO [all...] |
/external/libopus/src/ |
H A D | analysis.c | 235 float noise_floor; local 416 noise_floor = 5.7e-4f/(1<<(IMAX(0,lsb_depth-8))); 418 noise_floor *= 1<<(15+SIG_SHIFT); 420 noise_floor *= noise_floor; 445 if (E>.1*bandwidth_mask && E*1e9f > maxE && E > noise_floor*(band_end-band_start))
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/external/libopus/celt/ |
H A D | celt_encoder.c | 939 VARDECL(opus_val16, noise_floor); 942 ALLOC(noise_floor, C*nbEBands, opus_val16); 950 noise_floor[i] = MULT16_16(QCONST16(0.0625f, DB_SHIFT),logN[i]) 957 maxDepth = MAX16(maxDepth, bandLogE[c*nbEBands+i]-noise_floor[i]); 996 f[i] = MAX16(f[i], noise_floor[i]);
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/external/speex/libspeex/ |
H A D | preprocess.c | 331 /* gain_floor = sqrt [ (noise*noise_floor + echo*echo_floor) / (noise+echo) ] */ 341 /* gain_floor = sqrt [ (noise*noise_floor + echo*echo_floor) / (noise+echo) ] */ 384 float noise_floor; local 386 noise_floor = exp(.2302585f*noise_suppress); 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]);
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