Lines Matching refs:spectrum
494 Scales up spectrum lines in a given frequency section
496 \param scaled spectrum
497 \param original spectrum
515 /* Get highest value in given spectrum */
521 /* Scale spectrum according to highest value */
535 \param pointer to spectrum
543 const FIXP_DBL *spectrum,
555 result += (fPow2(spectrum[i])>>scale);
560 result += (fMult(spectrum[i], spectrum[i+lag])>>scale);
571 Autocorrelation function for 1st and 2nd half of the spectrum
573 \param pointer to spectrum
616 const FIXP_DBL *spectrum,
629 /* buffer for temporal spectrum */
638 /* autocorrelation function for 1st, 2nd, 3rd, and 4th quarter of the spectrum */
657 /* copy spectrum to temporal buffer and scale up as much as possible */
658 INT sc1 = FDKaacEnc_ScaleUpSpectrum(pSpectrum, spectrum, idx0, idx1);
659 INT sc2 = FDKaacEnc_ScaleUpSpectrum(pSpectrum, spectrum, idx1, idx2);
660 INT sc3 = FDKaacEnc_ScaleUpSpectrum(pSpectrum, spectrum, idx2, idx3);
661 INT sc4 = FDKaacEnc_ScaleUpSpectrum(pSpectrum, spectrum, idx3, idx4);
692 /* auto corr over upper 3/4 of spectrum */
738 spectrum,
748 FIXP_DBL *spectrum,
753 /* autocorrelation function for 1st, 2nd, 3rd, and 4th quarter of the spectrum. */
781 spectrum,
996 \param pointer to spectrum
1008 FIXP_DBL* spectrum,
1044 &spectrum[startLine],
1290 \param pointer to signal spectrum
