单词 | difference tone |
释义 | > as lemmasdifference tone difference tone n. [after German Differenzton (H. Helmholtz 1856, in Ann. der Physik u. Chem. 99 518)] Acoustics and Music a tone sometimes perceived during the simultaneous sounding of two other tones, its frequency being the difference between those of the tones being played; = differential tone n. at differential adj. and n. Compounds; cf. summation-tone at tone n. 2a(a). ΚΠ 1867 London, Edinb., & Dublin Philos. Mag. 4th Ser. 34 126 In addition to these deeper combination-tones or ‘difference-tones’, there are also higher combination-tones, ‘summation-tones’. 1925 Times Lit. Suppl. 15 Oct. 668/3 The objective existence of ‘difference-tones’..is not free from doubt. 2012 S. Ritchie Before Chinrest xiii. 87 When played in tune, this [sc. a minor third] produces a difference tone a major third below the lower note. < as lemmas |
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