单词 | backward masking |
释义 | > as lemmasbackward masking backward masking n. (a) Psychology the alteration or diminution of the perception of a (visual or auditory) stimulus by a second stimulus which follows it closely; cf. metacontrast n.; (b) the inclusion of a message in a piece of recorded music which can be understood if the music is played backwards, and which is said by some to have a subliminal effect when the music is played normally. ΚΠ 1959 Jrnl. Acoustical Soc. Amer. 31 1613/2 The measurements described in the present paper were undertaken as a preliminary examination of the backward masking effect in the case of a tone followed by a burst of noise. 1982 Los Angeles Times 28 Apr. i. 3/5 When played forward, the ‘backward masking’ is only a blurred background sound. But when played backward, it makes a decipherable message. 1995 Nature 5 Jan. 21/2 The phenomenon of backward masking, also called metacontrast, is when a later event influences an earlier event in the visual system. 2008 R. Lanham in R. Sheffield Rock & Roll Cage Match 118 The alleged backward masking on ‘Stairway to Heaven’ has traumatized more Baptists than Hillary Clinton. < as lemmas |
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