| /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 );
|
| 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/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 );
|
| 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 );
|
| /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/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);
|
