| /external/libopus/silk/fixed/ |
| find_pitch_lags_FIX.c | 50 opus_int32 auto_corr[ MAX_FIND_PITCH_LPC_ORDER + 1 ]; local
90 silk_autocorr( auto_corr, &scale, Wsig, psEnc->sCmn.pitch_LPC_win_length, psEnc->sCmn.pitchEstimationLPCOrder + 1, arch );
93 auto_corr[ 0 ] = silk_SMLAWB( auto_corr[ 0 ], auto_corr[ 0 ], SILK_FIX_CONST( FIND_PITCH_WHITE_NOISE_FRACTION, 16 ) ) + 1;
96 res_nrg = silk_schur( rc_Q15, auto_corr, psEnc->sCmn.pitchEstimationLPCOrder );
99 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 | 157 opus_int32 auto_corr[ MAX_SHAPE_LPC_ORDER + 1 ]; local
282 silk_warped_autocorrelation_FIX( auto_corr, &scale, x_windowed, warping_Q16, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOrder );
285 silk_autocorr( auto_corr, &scale, x_windowed, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOrder + 1, arch );
289 auto_corr[0] = silk_ADD32( auto_corr[0], silk_max_32( silk_SMULWB( silk_RSHIFT( auto_corr[ 0 ], 4 ),
293 nrg = silk_schur64( refl_coef_Q16, auto_corr, psEnc->sCmn.shapingLPCOrder );
|
| /external/libopus/silk/float/ |
| 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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| schur_FLP.c | 36 const silk_float auto_corr[], /* I autocorrelation sequence (length order+1) */
48 C[ k ][ 0 ] = C[ k ][ 1 ] = auto_corr[ k ];
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| noise_shape_analysis_FLP.c | 141 silk_float auto_corr[ MAX_SHAPE_LPC_ORDER + 1 ]; local
247 silk_warped_autocorrelation_FLP( auto_corr, x_windowed, warping,
251 silk_autocorrelation_FLP( auto_corr, x_windowed, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOrder + 1 );
255 auto_corr[ 0 ] += auto_corr[ 0 ] * SHAPE_WHITE_NOISE_FRACTION;
258 nrg = silk_levinsondurbin_FLP( &psEncCtrl->AR2[ k * MAX_SHAPE_LPC_ORDER ], auto_corr, psEnc->sCmn.shapingLPCOrder );
|
| SigProc_FLP.h | 61 const silk_float auto_corr[], /* I autocorrelation sequence (length order+1) */
|
| /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/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,
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