单词 | noise-shaping |
释义 | > as lemmasnoise-shaping noise-shaping n. Electronics any of various processes which alter the frequency distribution of the noise associated with a signal; spec. a noise-reduction technique used in the quantization of analogue signals. ΚΠ 1967 IEEE Trans. Automatic Control 12 596/1 Correlated noise was represented by passing 100 more Gaussian independent pseudorandom numbers through the noise shaping filter C(ẕ)/ D(ẕ) = 1/ [1 - 0.95ẕ−1. 1986 N. S. Jayant in T. C. Bartree Digital Communications viii. 325 One class of such high-quality coders is a DPCM system that includes pitch prediction and quantization error feedback for noise-shaping. 1993 New Scientist 13 Feb. 21/3 Gambit Audio of Uster, Switzerland, has developed a technique called advanced noise-shaping redither, a combination of dithering and noise-shaping. < as lemmas |
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