Lines Matching full:quarter
638 /* autocorrelation function for 1st, 2nd, 3rd, and 4th quarter of the spectrum */
670 /* compute autocorrelation value at lag zero, i. e. energy, for each quarter */
718 /* merge quarters 2, 3, 4 into one autocorrelation; quarter 1 stays separate */
753 /* autocorrelation function for 1st, 2nd, 3rd, and 4th quarter of the spectrum. */
823 /* compute second filter for lower quarter; only allowed for long windows! */
855 /* filter lower quarter if gain is high enough, but not if it's too high */