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Searched refs:auto_corr (Results 1 – 7 of 7) sorted by relevance

/external/chromium_org/third_party/opus/src/silk/fixed/
Dfind_pitch_lags_FIX.c49 opus_int32 auto_corr[ MAX_FIND_PITCH_LPC_ORDER + 1 ]; in silk_find_pitch_lags_FIX() local
89 …silk_autocorr( auto_corr, &scale, Wsig, psEnc->sCmn.pitch_LPC_win_length, psEnc->sCmn.pitchEstimat… in silk_find_pitch_lags_FIX()
92 …auto_corr[ 0 ] = silk_SMLAWB( auto_corr[ 0 ], auto_corr[ 0 ], SILK_FIX_CONST( FIND_PITCH_WHITE_NOI… in silk_find_pitch_lags_FIX()
95 res_nrg = silk_schur( rc_Q15, auto_corr, psEnc->sCmn.pitchEstimationLPCOrder ); in silk_find_pitch_lags_FIX()
98 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.c156 opus_int32 auto_corr[ MAX_SHAPE_LPC_ORDER + 1 ]; in silk_noise_shape_analysis_FIX() local
281 …silk_warped_autocorrelation_FIX( auto_corr, &scale, x_windowed, warping_Q16, psEnc->sCmn.shapeWinL… in silk_noise_shape_analysis_FIX()
284 …silk_autocorr( auto_corr, &scale, x_windowed, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOr… in silk_noise_shape_analysis_FIX()
288 …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()
292 nrg = silk_schur64( refl_coef_Q16, auto_corr, psEnc->sCmn.shapingLPCOrder ); in silk_noise_shape_analysis_FIX()
/external/chromium_org/third_party/opus/src/silk/float/
Dfind_pitch_lags_FLP.c46 silk_float auto_corr[ MAX_FIND_PITCH_LPC_ORDER + 1 ]; in silk_find_pitch_lags_FLP() local
84 …silk_autocorrelation_FLP( auto_corr, Wsig, psEnc->sCmn.pitch_LPC_win_length, psEnc->sCmn.pitchEsti… in silk_find_pitch_lags_FLP()
87 auto_corr[ 0 ] += auto_corr[ 0 ] * FIND_PITCH_WHITE_NOISE_FRACTION + 1; in silk_find_pitch_lags_FLP()
90 res_nrg = silk_schur_FLP( refl_coef, auto_corr, psEnc->sCmn.pitchEstimationLPCOrder ); in silk_find_pitch_lags_FLP()
93 psEncCtrl->predGain = auto_corr[ 0 ] / silk_max_float( res_nrg, 1.0f ); in silk_find_pitch_lags_FLP()
Dschur_FLP.c36 …const silk_float auto_corr[], /* I autocorrelation sequence (length order+1) … in silk_schur_FLP() argument
48 C[ k ][ 0 ] = C[ k ][ 1 ] = auto_corr[ k ]; in silk_schur_FLP()
Dnoise_shape_analysis_FLP.c141 silk_float auto_corr[ MAX_SHAPE_LPC_ORDER + 1 ]; in silk_noise_shape_analysis_FLP() local
247 silk_warped_autocorrelation_FLP( auto_corr, x_windowed, warping, in silk_noise_shape_analysis_FLP()
251 …silk_autocorrelation_FLP( auto_corr, x_windowed, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLP… in silk_noise_shape_analysis_FLP()
255 auto_corr[ 0 ] += auto_corr[ 0 ] * SHAPE_WHITE_NOISE_FRACTION; in silk_noise_shape_analysis_FLP()
258 …nrg = silk_levinsondurbin_FLP( &psEncCtrl->AR2[ k * MAX_SHAPE_LPC_ORDER ], auto_corr, psEnc->sCmn.… in silk_noise_shape_analysis_FLP()
DSigProc_FLP.h61 …const silk_float auto_corr[], /* I autocorrelation sequence (length order+1) …
/external/webrtc/src/common_audio/signal_processing/include/
Dsignal_processing_library.h316 WebRtc_Word16 WebRtcSpl_LevinsonDurbin(WebRtc_Word32* auto_corr,
326 void WebRtcSpl_AutoCorrToReflCoef(G_CONST WebRtc_Word32* auto_corr,