Searched refs:noise (Results 1 - 25 of 95) sorted by relevance

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/external/chromium_org/third_party/opus/src/silk/fixed/
H A Dregularize_correlations_FIX.c34 /* Add noise to matrix diagonal */
38 opus_int32 noise, /* I Noise to add */
44 matrix_ptr( &XX[ 0 ], i, i, D ) = silk_ADD32( matrix_ptr( &XX[ 0 ], i, i, D ), noise );
46 xx[ 0 ] += noise;
35 silk_regularize_correlations_FIX( opus_int32 *XX, opus_int32 *xx, opus_int32 noise, opus_int D ) argument
/external/chromium_org/third_party/opus/src/silk/float/
H A Dregularize_correlations_FLP.c34 /* Add noise to matrix diagonal */
38 const silk_float noise, /* I Noise energy to add */
45 matrix_ptr( &XX[ 0 ], i, i, D ) += noise;
47 xx[ 0 ] += noise;
35 silk_regularize_correlations_FLP( silk_float *XX, silk_float *xx, const silk_float noise, const opus_int D ) argument
/external/libopus/silk/fixed/
H A Dregularize_correlations_FIX.c34 /* Add noise to matrix diagonal */
38 opus_int32 noise, /* I Noise to add */
44 matrix_ptr( &XX[ 0 ], i, i, D ) = silk_ADD32( matrix_ptr( &XX[ 0 ], i, i, D ), noise );
46 xx[ 0 ] += noise;
35 silk_regularize_correlations_FIX( opus_int32 *XX, opus_int32 *xx, opus_int32 noise, opus_int D ) argument
/external/libopus/silk/float/
H A Dregularize_correlations_FLP.c34 /* Add noise to matrix diagonal */
38 const silk_float noise, /* I Noise energy to add */
45 matrix_ptr( &XX[ 0 ], i, i, D ) += noise;
47 xx[ 0 ] += noise;
35 silk_regularize_correlations_FLP( silk_float *XX, silk_float *xx, const silk_float noise, const opus_int D ) argument
/external/chromium_org/third_party/libvpx/source/libvpx/vp9/common/
H A Dvp9_postproc.h26 char noise[3072]; member in struct:postproc_state
H A Dvp9_postproc.c349 state->noise[i] = char_dist[rand() & 0xff]; // NOLINT
362 void vp9_plane_add_noise_c(uint8_t *start, char *noise, argument
374 char *ref = (char *)(noise + (rand() & 0xff)); // NOLINT
429 vp9_plane_add_noise(ppbuf->y_buffer, ppstate->noise, ppstate->blackclamp,
/external/libvpx/libvpx/vp9/common/
H A Dvp9_postproc.h26 char noise[3072]; member in struct:postproc_state
/external/chromium_org/content/browser/geolocation/
H A Dosx_wifi.h75 SInt16 noise; // Noise for the network. 0 for Adhoc. member in struct:WirelessNetworkInfo
H A Dwifi_data_provider_mac.cc134 // signal-to-noise and SSID
141 // WirelessNetworkInfo::noise appears to be noise floor in dBm.
143 access_point_info->noise;
/external/chromium_org/third_party/libvpx/source/libvpx/vp8/common/
H A Dpostproc.h20 char noise[3072]; member in struct:postproc_state
/external/libvpx/libvpx/vp8/common/
H A Dpostproc.h20 char noise[3072]; member in struct:postproc_state
/external/webrtc/src/modules/audio_processing/ns/
H A Dns_core.c35 // used when noise is flatter than speech
122 //for quantile noise estimation
144 inst->priorSpeechProb = (float)0.5; //prior prob for speech/noise
147 inst->noisePrev[i] = (float)0.0; //previous noise-spectrum
149 inst->magnAvgPause[i] = (float)0.0; //conservative noise spectrum estimate
187 inst->modelUpdatePars[2] = 0; //counter for update of conservative noise spectrum
239 // Estimate noise
240 void WebRtcNs_NoiseEstimation(NSinst_t* inst, float* magn, float* noise) { argument
293 // Sequentially update the noise during startup
295 // Use the last "s" to get noise durin
737 float magn[HALF_ANAL_BLOCKL], noise[HALF_ANAL_BLOCKL]; local
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H A Dnsx_core.h61 WebRtc_Word32 avgMagnPause[HALF_ANAL_BLOCKL]; //conservative estimate of noise spectrum
68 WebRtc_UWord32 whiteNoiseLevel; //initial noise estimate
70 WebRtc_Word32 pinkNoiseNumerator; //pink noise parameter: numerator
71 WebRtc_Word32 pinkNoiseExp; //pink noise parameter: power of freq
75 WebRtc_UWord32 prevNoiseU32[HALF_ANAL_BLOCKL]; //noise spectrum from previous frame
77 WebRtc_Word16 priorNonSpeechProb; //prior speech/noise probability // Q14
112 * This function initializes a noise suppression instance
129 * This changes the aggressiveness of the noise suppression method.
146 * Do noise suppression.
174 uint32_t* noise,
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/external/speex/libspeex/
H A Dpreprocess.c46 I. Cohen and B. Berdugo, "Speech enhancement for non-stationary noise environments".
50 approach to combined acoustic echo cancellation and noise reduction". IEEE
211 spx_word32_t *noise; /**< Noise estimate */ member in struct:SpeexPreprocessState_
221 int *update_prob; /**< Probability of speech presence for noise update */
320 /* Compute the gain floor based on different floors for the background noise and residual echo */
321 static void compute_gain_floor(int noise_suppress, int effective_echo_suppress, spx_word32_t *noise, spx_word32_t *echo, spx_word16_t *gain_floor, int len) argument
331 /* gain_floor = sqrt [ (noise*noise_floor + echo*echo_floor) / (noise+echo) ] */
334 spx_sqrt(SHL32(EXTEND32(DIV32_16_Q15(PSHR32(noise[i],NOISE_SHIFT) + MULT16_32_Q15(gain_ratio,echo[i]),
335 (1+PSHR32(noise[
380 compute_gain_floor(int noise_suppress, int effective_echo_suppress, spx_word32_t *noise, spx_word32_t *echo, spx_word16_t *gain_floor, int len) argument
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/external/chromium_org/third_party/skia/gm/
H A Dimagefiltersclipped.cpp96 SkAutoTUnref<SkShader> noise(SkPerlinNoiseShader::CreateFractalNoise(
115 SkRectShaderImageFilter::Create(noise),
H A Dimagefiltersscaled.cpp96 SkAutoTUnref<SkShader> noise(SkPerlinNoiseShader::CreateFractalNoise(
124 SkRectShaderImageFilter::Create(noise),
/external/chromium_org/third_party/webrtc/modules/audio_processing/ns/
H A Dnsx_core.h61 // Conservative estimate of noise spectrum.
69 uint32_t whiteNoiseLevel; // Initial noise estimate.
72 // Pink noise parameters:
82 // Prior speech/noise probability in Q14.
120 * This function initializes a noise suppression instance
137 * This changes the aggressiveness of the noise suppression method.
154 * Do noise suppression.
182 uint32_t* noise,
191 // For the noise supression process, synthesis, read out fully processed
214 // Compute speech/noise probabilit
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H A Dns_core.c37 // used when noise is flatter than speech
126 // for quantile noise estimation
149 inst->priorSpeechProb = (float)0.5; // prior prob for speech/noise
152 inst->noisePrev[i] = (float)0.0; // previous noise-spectrum
155 inst->magnAvgPause[i] = (float)0.0; // conservative noise spectrum estimate
203 0; // counter for update of conservative noise spectrum
254 // Estimate noise
255 void WebRtcNs_NoiseEstimation(NSinst_t* inst, float* magn, float* noise) { argument
310 // Sequentially update the noise during startup
312 // Use the last "s" to get noise durin
771 float magn[HALF_ANAL_BLOCKL], noise[HALF_ANAL_BLOCKL]; local
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/external/skia/gm/
H A Dimagefiltersclipped.cpp96 SkAutoTUnref<SkShader> noise(SkPerlinNoiseShader::CreateFractalNoise(
114 SkRectShaderImageFilter::Create(noise),
/external/aac/libFDK/include/
H A DFDK_tools_rom.h231 noise, enumerator in enum:__anon149
/external/libvorbis/lib/
H A Dpsy.h135 float *noise,
H A Dmapping0.c371 float *noise = _vorbis_block_alloc(vb,n/2*sizeof(*noise)); local
419 /* first step; noise masking. Not only does 'noise masking'
421 to give noise parts of the spectrum, it also implicitly hands
427 noise); /* noise does not have by-frequency offset
432 _analysis_output("noiseL",seq,noise,n/2,1,0,0);
434 _analysis_output("noiseR",seq,noise,n/2,1,0,0);
436 _analysis_output("noise",se
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/external/wpa_supplicant_8/wpa_supplicant/examples/
H A Dwpas-test.py80 noise = props["noise"]
/external/wpa_supplicant_8/wpa_supplicant/
H A Dbss.h82 int noise; member in struct:wpa_bss
/external/chromium_org/third_party/libvpx/source/libvpx/vp8/common/x86/
H A Dpostproc_mmx.asm244 ;void vp8_plane_add_noise_mmx (unsigned char *Start, unsigned char *noise,
261 mov rcx, arg(1) ;noise
279 psubusb mm1, [rdx] ;blackclamp ; clamp both sides so we don't outrange adding noise
283 movq mm2,[rdi+rax] ; get the noise for this line

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