Searched refs:noise_floor (Results 1 - 5 of 5) sorted by relevance

/external/syslinux/gpxe/src/drivers/net/ath5k/
H A Dath5k_phy.c1136 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 Danalysis.c345 float noise_floor; local
633 noise_floor = 5.7e-4f/(1<<(IMAX(0,lsb_depth-8)));
634 noise_floor *= noise_floor;
661 if (E>.1*bandwidth_mask && E*1e9f > maxE && E > noise_floor*(band_end-band_start))
679 if (E>ratio*bandwidth_mask && E*1e9f > maxE && E > noise_floor*160)
/external/libxaac/decoder/
H A Dixheaacd_esbr_envcal.c108 FLOAT32 *noise_floor = frame_data->flt_noise_floor; local
226 noise_floor[next * num_nf_bands + o];
612 tmp = noise_floor[next * num_nf_bands + o] /
613 (1 + noise_floor[next * num_nf_bands + o]);
620 noise_floor[next * num_nf_bands + o])
629 (noise_floor[next * num_nf_bands + o])));
/external/speex/libspeex/
H A Dpreprocess.c331 /* 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]);
/external/libopus/celt/
H A Dcelt_encoder.c973 VARDECL(opus_val16, noise_floor);
976 ALLOC(noise_floor, C*nbEBands, opus_val16);
984 noise_floor[i] = MULT16_16(QCONST16(0.0625f, DB_SHIFT),logN[i])
991 maxDepth = MAX16(maxDepth, bandLogE[c*nbEBands+i]-noise_floor[i]);
1030 f[i] = MAX16(f[i], noise_floor[i]);

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