| /external/llvm/test/BugPoint/ |
| metadata.ll | 29 !3 = metadata !{metadata !"noise"}
|
| /external/mesa3d/src/gallium/auxiliary/vl/ |
| vl_median_filter.h | 28 /* implementation of a median filter for noise reduction */
|
| /frameworks/webview/chromium/java/com/android/webview/chromium/ |
| UnimplementedWebViewApi.java | 32 // By default we keep the traces down to one frame to reduce noise, but for debugging it might
|
| /packages/apps/Gallery2/jni/filters/ |
| kmeans.cc | 30 * bad for high-frequency image noise
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| /external/chromium_org/third_party/opus/src/silk/float/ |
| wrappers_FLP.c | 99 silk_nsq_state *psNSQ, /* I/O Noise Shaping Quantzation state */
111 /* Noise shaping parameters */
119 /* Noise shape parameters */
|
| /external/jmonkeyengine/engine/src/blender/com/jme3/scene/plugins/blender/textures/ |
| TextureGeneratorNoise.java | 46 * This class generates the 'noise' texture.
52 * Constructor stores the given noise generator.
54 * the noise generator
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| /frameworks/av/media/libstagefright/codecs/amrnb/common/include/ |
| cnst_vad.h | 70 #define VAD_P1 0 /* Noise level for highest threshold */
71 #define VAD_P2 6300 /* Noise level for lowest threshold */
82 /* Limits for background noise estimate */
|
| /frameworks/av/media/libstagefright/codecs/amrwbenc/inc/ |
| wb_vad_c.h | 60 #define NO_P1 31744 /* ilog2(1), Noise level for highest threshold */
61 #define NO_P2 19786 /* ilog2(0.1*MAX_16), Noise level for lowest threshold */
90 /* Limits for background noise estimate */
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| /hardware/samsung_slsi/exynos5/libcamera2/ |
| MetadataConverter.cpp | 415 dst->ctl.noise.mode = PROCESSING_MODE_FAST;
416 dst->ctl.noise.strength = 0;
434 dst->ctl.noise.mode = PROCESSING_MODE_FAST;
435 dst->ctl.noise.strength = 0;
453 dst->ctl.noise.mode = PROCESSING_MODE_FAST;
454 dst->ctl.noise.strength = 0;
471 dst->ctl.noise.mode = PROCESSING_MODE_FAST;
472 dst->ctl.noise.strength = 0;
486 dst->ctl.noise.mode = PROCESSING_MODE_OFF;
487 dst->ctl.noise.strength = 0
[all...] |
| /external/aac/libSBRdec/src/ |
| env_dec.cpp | 221 First the function decodes envelopes and noise floor levels as described in requantizeEnvelopeData()
321 /* 2. Dequantize and unmap coupled noise floor levels */
431 \brief Build reference energies and noise levels from bitstream elements
566 \brief Verify that the noise levels are within the allowed range
569 When the noise-levels are being decoded, it is already too late for
570 concealment. Therefore the noise levels are simply limited here.
582 accumulation of the delta-coded noise levels.
584 #define lowerLimit ((FIXP_SGL)0) /* lowerLimit actually refers to the _highest_ noise energy */
585 #define upperLimit ((FIXP_SGL)35) /* upperLimit actually refers to the _lowest_ noise energy */
588 Range check for current noise level
[all...] |
| env_calc.cpp | 99 In addition to the energy envelopes, noise envelopes are transmitted that
100 define the ratio of energy which is generated by adding noise instead of
101 transposing the lowband. The noise envelopes are given in a coarser time
431 All energies and noise levels decoded from the bitstream suit for an
446 \li Calculate gain and noise level for each subband:<br>
449 noise = \sqrt{ nrgRef \cdot noiseRatio }
454 (mantissas) and #nrgGain_e[#MAX_FREQ_COEFFS] (exponents), the noise levels
459 \li Noise limiting: The gain for each subband is limited both absolutely
463 \li Apply gains and add noise: The gains and noise levels are applie
[all...] |
| /frameworks/av/media/libstagefright/codecs/amrnb/dec/src/ |
| bgnscd.cpp | 40 Background noise source characteristic detector (SCD)
205 inbgNoise = flag if background noise is present (Word16)
216 Characterize synthesis speech and detect background noise.
291 // Do not consider silence as noise
292 // Do not consider continuous high volume as noise
293 // Or if the current noise level is very low
294 // Mark as noise if under current noise limit
327 time in noise
490 /* Do not consider silence as noise */
[all...] |
| /frameworks/av/media/libstagefright/codecs/amrwb/src/ |
| synthesis_amr_wb.cpp | 214 * HF noise synthesis
215 * - Generate HF noise between 5.5 and 7.5 kHz.
216 * - Set energy of noise according to synthesis tilt.
218 * tilt 0.5 ==> - 6 dB (voiced or noise)
219 * tilt < 0.0 ==> 0 dB (noise)
222 /* generate white noise vector */
253 /* set energy of white noise to energy of excitation */
315 /* modify energy of white noise according to synthesis tilt */
398 /* synthesis of noise: 4.8kHz..5.6kHz --> 6kHz..7kHz */
411 /* noise Band Pass filtering (1ms of delay) *
[all...] |
| /docs/source.android.com/src/devices/ |
| audio.jd | 119 be applied to audio such as downmixing, echo, or noise suppression.
260 <li><a href="http://developer.android.com/reference/android/media/audiofx/NoiseSuppressor.html">Noise Suppression</a></li>
289 the noise suppression pre-processing effect. It should not be turned on by default when recording from this audio source,
327 <li>Noise Suppressor
329 <li>Tuned for wind noise suppressor for <code>CAMCORDER</code></li>
330 <li>Tuned for stationary noise suppressor for <code>VOICE_COMMUNICATION</code></li>
347 <li>Android documentation for <a href="http://developer.android.com/reference/android/media/audiofx/NoiseSuppressor.html">Noise Suppression audio effect</a></li>
|
| /external/aac/libAACenc/src/ |
| aacenc_pns.cpp | 143 /* init noise detection */
229 call noise detection
245 /* Set noise substitution status */
255 do noise substitution if
367 call noise detection, output in pnsData->noiseFuzzyMeasure,
477 description: Calculate the correlation of noise in a channel pair
581 Use MS flag to signal noise correlation if
|
| /external/webrtc/src/modules/audio_processing/aec/ |
| aec_core.c | 32 // Noise suppression
40 static const int flagHbandCn = 1; // flag for adding comfort noise in H band
41 static const float cnScaleHband = (float)0.4; // scale for comfort noise in H band
114 // Comfort_noise also computes noise for H band returned in comfortNoiseHband
375 // because we are making an additive change with comfort noise.
468 // Initial comfort noise power
649 // Noise estimate constants.
715 // Estimate noise power. Wait until dPow is more stable.
728 // Smooth increasing noise power from zero at the start,
729 // to avoid a sudden burst of comfort noise
1210 float noise, noiseAvg, tmp, tmpAvg; local
[all...] |
| /hardware/invensense/60xx/mlsdk/mllite/ |
| compass.c | 85 static void adaptive_filter_init(struct yas_adaptive_filter *adap_filter, int len, float noise)
91 adap_filter->noise = noise;
139 if (sum <= adap_filter->noise) {
143 return ((in - avg) * (sum - adap_filter->noise) / sum + avg);
166 float noise[] = { local
178 adaptive_filter_init(&t->adap_filter[i], YAS_DEFAULT_FILTER_LEN, noise[i]);
|
| /frameworks/av/media/libstagefright/codecs/amrwbenc/src/ |
| wb_vad.c | 253 * Purpose : Control update of the background noise estimate.
385 * Purpose : Update of background noise estimate
419 /* Update noise estimate (bckr_est) */
428 /* limit minimum value of the noise estimate to NOISE_MIN */
437 /* limit maximum value of the noise estimate to NOISE_MAX */
474 /* Calculate squared sum of the input levels (level) divided by the background noise components
488 /* Calculate average level of estimated background noise */
505 /* If SNR is very poor, speech_level is probably corrupted by noise level. This is correctred by
542 /* Update background noise estimates */
759 Word16 wb_vad( /* Return value : VAD Decision, 1 = speech, 0 = noise */
[all...] |
| /external/ceres-solver/examples/ |
| denoising.cc | 35 // in [1]. This program assumes Gaussian noise. The noise model can be changed
58 DEFINE_double(sigma, 20.0, "Standard deviation of noise");
|
| /external/wpa_supplicant_8/src/ap/ |
| acs.c | 70 * this value is then amplified by the observed noise floor on
71 * the channel in comparison to the lowest noise floor observed
82 * noise observed was low but increases it if the noise was high,
88 * Since noise floor is in dBm it is necessary to convert it into Watts so that
97 * 0%) channel noise floor signal power is combined into the equation so a
98 * channel with lower noise floor is preferred. The equation becomes:
105 * will tell how usable this is. By using the minimum noise floor we
108 * picks up as the minimum noise, not an actual real possible card
109 * noise value
[all...] |
| /external/aac/libSBRenc/src/ |
| ton_corr.h | 160 FIXP_DBL * noiseLevels, /*!< Vector where the noise levels will be stored. */
182 INT ana_max_level, /*!< Maximum level of the adaptive noise. */
183 INT noiseBands, /*!< Number of noise bands per octave. */
184 INT noiseFloorOffset, /*!< Noise floor offset. */
|
| /external/chromium_org/base/metrics/ |
| bucket_ranges.h | 67 // noise on UMA dashboard.
|
| /external/chromium_org/content/public/browser/ |
| speech_recognition_event_listener.h | 28 // estimate the environment/background noise and this callback is issued
|
| /external/chromium_org/third_party/WebKit/ManualTests/ |
| image-resampling-with-scale.html | 5 // Image of the Chrome logo. An image with features (i.e., not a green square) is necessary for noticing resampling noise.
|
| /external/chromium_org/third_party/cld/base/ |
| stl_decl_msvc.h | 7 // lots of noise). For many STL classes this is ok (eg pair), but for
|
