Searched defs:noise (Results 1 - 25 of 38) sorted by relevance

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/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/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/libvpx/libvpx/vp9/common/
H A Dvp9_postproc.h26 char noise[3072]; member in struct:postproc_state
H A Dvp9_postproc.c415 state->noise[i] = char_dist[rand() & 0xff]; // NOLINT
428 void vp9_plane_add_noise_c(uint8_t *start, char *noise, argument
437 char *ref = (char *)(noise + (rand() & 0xff)); // NOLINT
641 vp9_plane_add_noise(ppbuf->y_buffer, ppstate->noise, ppstate->blackclamp,
/external/chromium_org/third_party/libvpx/source/libvpx/vp8/common/
H A Dpostproc.h20 char noise[3072]; member in struct:postproc_state
H A Dpostproc.c479 state->noise[i] = char_dist[rand() & 0xff];
498 * noise to
502 * int q quantizer used to determine amount of noise
509 * FUNCTION : adds gaussian noise to a plane of pixels
514 void vp8_plane_add_noise_c(unsigned char *Start, char *noise, argument
525 char *Ref = (char *)(noise + (rand() & 0xff));
830 oci->postproc_state.noise,
/external/libvpx/libvpx/vp8/common/
H A Dpostproc.h20 char noise[3072]; member in struct:postproc_state
H A Dpostproc.c475 state->noise[i] = char_dist[rand() & 0xff];
494 * noise to
498 * int q quantizer used to determine amount of noise
505 * FUNCTION : adds gaussian noise to a plane of pixels
510 void vp8_plane_add_noise_c(unsigned char *Start, char *noise, argument
521 char *Ref = (char *)(noise + (rand() & 0xff));
826 oci->postproc_state.noise,
/external/chromium_org/content/browser/geolocation/
H A Dosx_wifi.h75 SInt16 noise; // Noise for the network. 0 for Adhoc. member in struct:WirelessNetworkInfo
/external/aac/libFDK/include/
H A DFDK_tools_rom.h231 noise, enumerator in enum:__anon149
/external/libvorbis/lib/
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/
H A Dbss.h82 int noise; member in struct:wpa_bss
/external/webrtc/src/modules/audio_processing/ns/
H A Dnsx_core_neon.c16 // Update the noise estimation information.
97 uint32_t* noise,
311 // Sequentially update the noise during startup
317 noise[i] = (uint32_t)(inst->noiseEstQuantile[i]); // Q(qNoise)
495 // For the noise supress process, synthesis, read out fully processed segment,
95 NoiseEstimationNeon(NsxInst_t* inst, uint16_t* magn, uint32_t* noise, int16_t* q_noise) argument
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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/external/chromium_org/third_party/webrtc/modules/audio_processing/aec/
H A Daec_core_mips.c23 static const int flagHbandCn = 1; // flag for adding comfort noise in H band
34 float noise, noiseAvg, tmp, tmpAvg; local
89 // Reject LF noise
100 "lwc1 %[noise], 4(%[noisePow]) \n\t"
104 "sqrt.s %[noise], %[noise] \n\t"
117 "mul.s %[tmp1f], %[tmp1f], %[noise] \n\t"
118 "mul.s %[tmp2f], %[tmp2f], %[noise] \n\t"
140 [noise] "=&f" (noise), [noise
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/external/chromium_org/third_party/webrtc/modules/audio_processing/ns/
H A Dnsx_core_neon.c58 // Update the noise estimation information.
138 uint32_t* noise,
353 // Sequentially update the noise during startup
359 noise[i] = (uint32_t)(inst->noiseEstQuantile[i]); // Q(qNoise)
490 // For the noise supress process, synthesis, read out fully processed segment,
136 WebRtcNsx_NoiseEstimationNeon(NsxInst_t* inst, uint16_t* magn, uint32_t* noise, int16_t* q_noise) argument
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/chromium_org/third_party/skia/src/effects/
H A DSkPerlinNoiseShader.cpp34 // limitValue is the maximum perlin noise array index value allowed
35 // newValue is the current noise dimension (either width or height)
37 // If the noise value would bring us out of bounds of the current noise array while we are
38 // stiching noise tiles together, wrap the noise around the current dimension of the noise to
169 // Copy noise data
170 uint16_t noise[4][kBlockSize][2];
174 noise[channe
409 SkScalar noise = noise2D(channel, stitchData, noiseVector); local
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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/webrtc/src/modules/audio_processing/aec/
H A Daec_core.c40 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
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.
889 // initialize comfort noise for H band
1108 // Add comfort noise
1210 float noise, noiseAvg, tmp, tmpAvg; local
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/external/chromium_org/third_party/re2/lib/codereview/
H A Dcodereview.py1116 noise = [ variable
1129 for x in noise:

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