| /external/libopus/silk/float/ |
| schur_FLP.c | 36 const silk_float auto_corr[], /* I autocorrelation sequence (length order+1) */
49 C[ k ][ 0 ] = C[ k ][ 1 ] = auto_corr[ k ];
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| find_pitch_lags_FLP.c | 47 silk_float auto_corr[ MAX_FIND_PITCH_LPC_ORDER + 1 ]; local
85 silk_autocorrelation_FLP( auto_corr, Wsig, psEnc->sCmn.pitch_LPC_win_length, psEnc->sCmn.pitchEstimationLPCOrder + 1 );
88 auto_corr[ 0 ] += auto_corr[ 0 ] * FIND_PITCH_WHITE_NOISE_FRACTION + 1;
91 res_nrg = silk_schur_FLP( refl_coef, auto_corr, psEnc->sCmn.pitchEstimationLPCOrder );
94 psEncCtrl->predGain = auto_corr[ 0 ] / silk_max_float( res_nrg, 1.0f );
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| noise_shape_analysis_FLP.c | 160 silk_float auto_corr[ MAX_SHAPE_LPC_ORDER + 1 ]; local
254 silk_warped_autocorrelation_FLP( auto_corr, x_windowed, warping,
258 silk_autocorrelation_FLP( auto_corr, x_windowed, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOrder + 1 );
262 auto_corr[ 0 ] += auto_corr[ 0 ] * SHAPE_WHITE_NOISE_FRACTION + 1.0f;
265 nrg = silk_schur_FLP( rc, auto_corr, psEnc->sCmn.shapingLPCOrder );
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| SigProc_FLP.h | 61 const silk_float auto_corr[], /* I autocorrelation sequence (length order+1) */
|
| /external/libopus/silk/fixed/ |
| find_pitch_lags_FIX.c | 50 opus_int32 auto_corr[ MAX_FIND_PITCH_LPC_ORDER + 1 ]; local
88 silk_autocorr( auto_corr, &scale, Wsig, psEnc->sCmn.pitch_LPC_win_length, psEnc->sCmn.pitchEstimationLPCOrder + 1, arch );
91 auto_corr[ 0 ] = silk_SMLAWB( auto_corr[ 0 ], auto_corr[ 0 ], SILK_FIX_CONST( FIND_PITCH_WHITE_NOISE_FRACTION, 16 ) ) + 1;
94 res_nrg = silk_schur( rc_Q15, auto_corr, psEnc->sCmn.pitchEstimationLPCOrder );
97 psEncCtrl->predGain_Q16 = silk_DIV32_varQ( auto_corr[ 0 ], silk_max_int( res_nrg, 1 ), 16 );
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| noise_shape_analysis_FIX.c | 153 opus_int32 auto_corr[ MAX_SHAPE_LPC_ORDER + 1 ]; local
265 silk_warped_autocorrelation_FIX( auto_corr, &scale, x_windowed, warping_Q16, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOrder, arch );
268 silk_autocorr( auto_corr, &scale, x_windowed, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOrder + 1, arch );
272 auto_corr[0] = silk_ADD32( auto_corr[0], silk_max_32( silk_SMULWB( silk_RSHIFT( auto_corr[ 0 ], 4 ),
276 nrg = silk_schur64( refl_coef_Q16, auto_corr, psEnc->sCmn.shapingLPCOrder );
|
| /external/tensorflow/tensorflow/contrib/bayesflow/python/ops/ |
| mcmc_diagnostics_impl.py | 156 # filter_beyond_lag == None ==> auto_corr is the full sequence.
157 auto_corr = sample_stats.auto_correlation(
162 # Get a binary mask to zero out values of auto_corr below the threshold.
163 # mask[i, ...] = 1 if auto_corr[j, ...] > threshold for all j <= i,
167 # Assume auto_corr = [1, 0.5, 0.0, 0.3], and filter_threshold = 0.2.
169 mask = auto_corr < filter_threshold
176 auto_corr *= mask
178 # With R[k] := auto_corr[k, ...],
185 # ndims the same as auto_corr
187 k = math_ops.range(0., _axis_size(auto_corr, axis=0)
[all...] |
| /external/webrtc/webrtc/modules/audio_coding/neteq/ |
| time_stretch.cc | 167 int32_t auto_corr[kCorrelationLen]; local
168 WebRtcSpl_CrossCorrelation(auto_corr, &downsampled_input_[kMaxLag],
173 int32_t max_corr = WebRtcSpl_MaxAbsValueW32(auto_corr, kCorrelationLen);
176 auto_corr, scaling);
|
| /external/libopus/silk/fixed/mips/ |
| noise_shape_analysis_FIX_mipsr1.h | 47 opus_int32 auto_corr[ MAX_SHAPE_LPC_ORDER + 1 ]; local
172 silk_warped_autocorrelation_FIX( auto_corr, &scale, x_windowed, warping_Q16, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOrder, arch );
175 silk_autocorr( auto_corr, &scale, x_windowed, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOrder + 1, arch );
179 auto_corr[0] = silk_ADD32( auto_corr[0], silk_max_32( silk_SMULWB( silk_RSHIFT( auto_corr[ 0 ], 4 ),
183 nrg = silk_schur64( refl_coef_Q16, auto_corr, psEnc->sCmn.shapingLPCOrder );
|
| /external/tensorflow/tensorflow/contrib/distributions/python/kernel_tests/ |
| sample_stats_test.py | 51 auto_corr = sample_stats.auto_correlation(
54 self.assertEqual((2, 3), auto_corr.shape)
55 auto_corr_ = sess.run(auto_corr)
69 auto_corr = sample_stats.auto_correlation(
72 self.assertEqual((2, 3), auto_corr.shape)
73 auto_corr_ = sess.run(auto_corr)
103 auto_corr = sample_stats.auto_correlation(
109 self.assertAllEqual(output_shape, auto_corr.shape)
110 self.assertAllClose(rxx, auto_corr.eval(), rtol=1e-5, atol=1e-5)
|
| /external/webrtc/webrtc/common_audio/signal_processing/include/ |
| signal_processing_library.h | 438 // - auto_corr : Vector with autocorrelation values of length >= |order|+1
446 int16_t WebRtcSpl_LevinsonDurbin(const int32_t* auto_corr,
487 // - auto_corr : Auto-correlation values
492 void WebRtcSpl_AutoCorrToReflCoef(const int32_t* auto_corr,
[all...] |
