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Searched
defs:RMS
(Results
1 - 3
of
3
) sorted by null
/external/webrtc/src/modules/audio_processing/
level_estimator_impl.cc
52
int
RMS
() {
59
double
rms
= sum_square_ / (sample_count_ * kMaxSquaredLevel);
local
61
rms
= 10 * log10(
rms
);
62
if (
rms
> 0)
63
rms
= 0;
64
else if (
rms
< -kMinLevel)
65
rms
= -kMinLevel;
67
rms
= -
rms
;
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all
...]
/external/chromium_org/content/browser/speech/endpointer/
energy_endpointer.cc
17
// Returns the
RMS
(quadratic mean) of the input signal.
18
float
RMS
(const int16* samples, int num_samples) {
237
float
rms
=
RMS
(samples, num_samples);
local
250
decision = (
rms
> decision_threshold_);
304
// threshold to be about 6dB above the average
RMS
.
306
decision_threshold_ = (0.98f * decision_threshold_) + (0.02f * 2 *
rms
);
310
// be about 10dB below the average
RMS
. If the noise level is high,
315
if (rms_adapt_ >
rms
) {
316
rms_adapt_ = (0.99f * rms_adapt_) + (0.01f *
rms
);
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all
...]
/hardware/invensense/60xx/mlsdk/mlutils/
mputest.c
106
/* 0.4 dps-
rms
in LSB-
rms
*/
250
* the limit standard deviation (=~
RMS
) set to assess whether
252
* The default is DEF_RMS_THRESH = 0.2 dps-
rms
.
312
* 9 If any of the
RMS
noise values is zero, it could be
334
float
RMS
[3];
496
/* 3rd, check
RMS
*/
499
RMS
[X] = 0.f,
RMS
[Y] = 0.f,
RMS
[Z] = 0.f
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