Searched refs:acorr (Results 1 – 3 of 3) sorted by relevance
| /external/aac/libFDK/src/ |
| D | FDK_lpc.cpp | 431 void CLpc_AutoToParcor(FIXP_DBL acorr[], const int acorr_e, in CLpc_AutoToParcor() argument
438 FIXP_DBL autoCorr_0 = acorr[0]; in CLpc_AutoToParcor()
450 FDKmemcpy(workBuffer, acorr + 1, numOfCoeff * sizeof(FIXP_DBL)); in CLpc_AutoToParcor()
458 if (acorr[0] < tmp) break; in CLpc_AutoToParcor()
461 tmp = (FIXP_DBL)((LONG)schur_div(tmp, acorr[0], FRACT_BITS) ^ (~sign)); in CLpc_AutoToParcor()
466 FIXP_DBL accu1 = fMult(tmp, acorr[j]); in CLpc_AutoToParcor()
469 acorr[j] += accu2; in CLpc_AutoToParcor()
472 if (acorr[0] == (FIXP_DBL)0) break; in CLpc_AutoToParcor()
478 if (acorr[0] > (FIXP_DBL)0) { in CLpc_AutoToParcor()
480 *pPredictionGain_m = fDivNormSigned(autoCorr_0, acorr[0], &scale); in CLpc_AutoToParcor()
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| /external/speex/libspeexdsp/ |
| D | echo_diagnostic.m | 22 acorr = real(ifft(fft(play).*conj(fft(play)))); variable
63 acorr(1) = .001+1.00001*acorr(1);
64 AtA = toeplitz(acorr(1:tail_length));
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| /external/aac/libFDK/include/ |
| D | FDK_lpc.h | 214 void CLpc_AutoToParcor(FIXP_DBL acorr[], const int acorr_e,
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