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Searched
defs:noise_floor
(Results
1 - 3
of
3
) sorted by null
/external/libopus/src/
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))
/external/speex/libspeex/
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]);
[
all
...]
/external/syslinux/gpxe/src/drivers/net/ath5k/
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_FLOOR)
[
all
...]
Completed in 111 milliseconds