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Searched refs:auto_corr (Results 1 – 10 of 10) sorted by relevance

/external/libopus/silk/fixed/
Dfind_pitch_lags_FIX.c50 opus_int32 auto_corr[ MAX_FIND_PITCH_LPC_ORDER + 1 ]; in silk_find_pitch_lags_FIX() local
88 …silk_autocorr( auto_corr, &scale, Wsig, psEnc->sCmn.pitch_LPC_win_length, psEnc->sCmn.pitchEstimat… in silk_find_pitch_lags_FIX()
91 …auto_corr[ 0 ] = silk_SMLAWB( auto_corr[ 0 ], auto_corr[ 0 ], SILK_FIX_CONST( FIND_PITCH_WHITE_NOI… in silk_find_pitch_lags_FIX()
94 res_nrg = silk_schur( rc_Q15, auto_corr, psEnc->sCmn.pitchEstimationLPCOrder ); in silk_find_pitch_lags_FIX()
97 psEncCtrl->predGain_Q16 = silk_DIV32_varQ( auto_corr[ 0 ], silk_max_int( res_nrg, 1 ), 16 ); in silk_find_pitch_lags_FIX()
Dnoise_shape_analysis_FIX.c153 opus_int32 auto_corr[ MAX_SHAPE_LPC_ORDER + 1 ]; in silk_noise_shape_analysis_FIX() local
265 …silk_warped_autocorrelation_FIX( auto_corr, &scale, x_windowed, warping_Q16, psEnc->sCmn.shapeWinL… in silk_noise_shape_analysis_FIX()
268 …silk_autocorr( auto_corr, &scale, x_windowed, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOr… in silk_noise_shape_analysis_FIX()
272 …auto_corr[0] = silk_ADD32( auto_corr[0], silk_max_32( silk_SMULWB( silk_RSHIFT( auto_corr[ 0 ], 4 … in silk_noise_shape_analysis_FIX()
276 nrg = silk_schur64( refl_coef_Q16, auto_corr, psEnc->sCmn.shapingLPCOrder ); in silk_noise_shape_analysis_FIX()
/external/libopus/silk/float/
Dfind_pitch_lags_FLP.c47 silk_float auto_corr[ MAX_FIND_PITCH_LPC_ORDER + 1 ]; in silk_find_pitch_lags_FLP() local
85 …silk_autocorrelation_FLP( auto_corr, Wsig, psEnc->sCmn.pitch_LPC_win_length, psEnc->sCmn.pitchEsti… in silk_find_pitch_lags_FLP()
88 auto_corr[ 0 ] += auto_corr[ 0 ] * FIND_PITCH_WHITE_NOISE_FRACTION + 1; in silk_find_pitch_lags_FLP()
91 res_nrg = silk_schur_FLP( refl_coef, auto_corr, psEnc->sCmn.pitchEstimationLPCOrder ); in silk_find_pitch_lags_FLP()
94 psEncCtrl->predGain = auto_corr[ 0 ] / silk_max_float( res_nrg, 1.0f ); in silk_find_pitch_lags_FLP()
Dnoise_shape_analysis_FLP.c160 silk_float auto_corr[ MAX_SHAPE_LPC_ORDER + 1 ]; in silk_noise_shape_analysis_FLP() local
254 silk_warped_autocorrelation_FLP( auto_corr, x_windowed, warping, in silk_noise_shape_analysis_FLP()
258 …silk_autocorrelation_FLP( auto_corr, x_windowed, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLP… in silk_noise_shape_analysis_FLP()
262 auto_corr[ 0 ] += auto_corr[ 0 ] * SHAPE_WHITE_NOISE_FRACTION + 1.0f; in silk_noise_shape_analysis_FLP()
265 nrg = silk_schur_FLP( rc, auto_corr, psEnc->sCmn.shapingLPCOrder ); in silk_noise_shape_analysis_FLP()
Dschur_FLP.c36 …const silk_float auto_corr[], /* I autocorrelation sequence (length order+1) … in silk_schur_FLP() argument
49 C[ k ][ 0 ] = C[ k ][ 1 ] = auto_corr[ k ]; in silk_schur_FLP()
DSigProc_FLP.h61 …const silk_float auto_corr[], /* I autocorrelation sequence (length order+1) …
/external/libopus/silk/fixed/mips/
Dnoise_shape_analysis_FIX_mipsr1.h47 opus_int32 auto_corr[ MAX_SHAPE_LPC_ORDER + 1 ]; in silk_noise_shape_analysis_FIX() local
172 …silk_warped_autocorrelation_FIX( auto_corr, &scale, x_windowed, warping_Q16, psEnc->sCmn.shapeWinL… in silk_noise_shape_analysis_FIX()
175 …silk_autocorr( auto_corr, &scale, x_windowed, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOr… in silk_noise_shape_analysis_FIX()
179 …auto_corr[0] = silk_ADD32( auto_corr[0], silk_max_32( silk_SMULWB( silk_RSHIFT( auto_corr[ 0 ], 4 … in silk_noise_shape_analysis_FIX()
183 nrg = silk_schur64( refl_coef_Q16, auto_corr, psEnc->sCmn.shapingLPCOrder ); in silk_noise_shape_analysis_FIX()
/external/webrtc/webrtc/modules/audio_coding/neteq/
Dtime_stretch.cc167 int32_t auto_corr[kCorrelationLen]; in AutoCorrelation() local
168 WebRtcSpl_CrossCorrelation(auto_corr, &downsampled_input_[kMaxLag], in AutoCorrelation()
173 int32_t max_corr = WebRtcSpl_MaxAbsValueW32(auto_corr, kCorrelationLen); in AutoCorrelation()
176 auto_corr, scaling); in AutoCorrelation()
/external/tensorflow/tensorflow/contrib/distributions/python/kernel_tests/
Dsample_stats_test.py52 auto_corr = sample_stats.auto_correlation(
55 self.assertEqual((2, 3), auto_corr.shape)
56 auto_corr_ = sess.run(auto_corr)
70 auto_corr = sample_stats.auto_correlation(
73 self.assertEqual((2, 3), auto_corr.shape)
74 auto_corr_ = sess.run(auto_corr)
104 auto_corr = sample_stats.auto_correlation(
110 self.assertAllEqual(output_shape, auto_corr.shape)
111 self.assertAllClose(rxx, auto_corr.eval(), rtol=1e-5, atol=1e-5)
/external/webrtc/webrtc/common_audio/signal_processing/include/
Dsignal_processing_library.h446 int16_t WebRtcSpl_LevinsonDurbin(const int32_t* auto_corr,
492 void WebRtcSpl_AutoCorrToReflCoef(const int32_t* auto_corr,