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Searched
defs:rms
(Results
1 - 6
of
6
) sorted by null
/cts/suite/audio_quality/lib/src/
BuiltinProcessing.cpp
55
int64_t
rms
= 0;
local
62
rms
= (int64_t)sqrt(energy/samples);
65
if (
rms
< passMin) {
66
MSG("Volume %lld low compared to min %lld max %lld",
rms
, passMin, passMax);
68
} else if (
rms
<= passMax) {
69
MSG("Volume %lld OK compared to min %lld max %lld",
rms
, passMin, passMax);
76
LOGW("Volume %lld high compared to min %lld max %lld",
rms
, passMin, passMax);
80
rmsVal->setInt64(
rms
);
/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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...]
/frameworks/av/media/libeffects/visualizer/
EffectVisualizer.cpp
323
// find the peak and
RMS
squared for the new buffer
614
// only use actual measurements, otherwise the first
RMS
measure happening before
627
float
rms
= nbValidMeasurements == 0 ? 0.0f : sqrtf(sumRmsSquared / nbValidMeasurements);
local
630
if (
rms
< 0.000016f) {
633
pIntReplyData[MEASUREMENT_IDX_RMS] = (int32_t) (2000 * log10(
rms
/ 32767.0f));
640
ALOGV("VISUALIZER_CMD_MEASURE peak=%d (%dmB),
rms
=%.1f (%dmB)",
642
rms
, pIntReplyData[MEASUREMENT_IDX_RMS]);
/external/chromium_org/content/browser/speech/
speech_recognizer_impl.cc
72
//
RMS
dB value of a maximum (unclipped) sine wave for int16 samples.
74
// This value corresponds to
RMS
dB for int16 with 6 most-significant-bits = 0.
473
float
rms
= 0.0f;
local
478
endpointer_.ProcessAudio(raw_audio, &
rms
);
481
DCHECK(route_to_endpointer); // Depends on endpointer due to |
rms
|.
482
UpdateSignalAndNoiseLevels(
rms
, clip_detected);
783
void SpeechRecognizerImpl::UpdateSignalAndNoiseLevels(const float&
rms
,
789
float level = (
rms
- kAudioMeterMinDb) /
/hardware/qcom/audio/visualizer/
offload_visualizer.c
683
// find the peak and
RMS
squared for the new buffer
843
/* only use actual measurements, otherwise the first
RMS
measure happening before
857
float
rms
= nb_valid_meas == 0 ? 0.0f : sqrtf(sum_rms_squared / nb_valid_meas);
local
860
if (
rms
< 0.000016f) {
863
p_int_reply_data[MEASUREMENT_IDX_RMS] = (int32_t) (2000 * log10(
rms
/ 32767.0f));
870
ALOGV("VISUALIZER_CMD_MEASURE peak=%d (%dmB),
rms
=%.1f (%dmB)",
872
rms
, p_int_reply_data[MEASUREMENT_IDX_RMS]);
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all
...]
Completed in 91 milliseconds