| 释义 |
▪ I. sone|səʊn|
[ad. L. sonus.]
†1. Sound. Obs.—1
1616J. Lane Contn. Sqr.'s T. iv. p. 45 note, Thence bore vp mongst the spheares of musickes tones, whence are derived all harmonious sones.
2. A unit of subjective loudness such that the number of sones is proportional to the loudness of a sound: a tone of frequency 1000 Hz and 40 dB above the listener's audibility threshold produces a loudness of one sone.
1936S. S. Stevens in Psychol. Rev. XLIII. 416 It is proposed that the unit of the scale be the loudness of 1000 cycle tone 40db above threshold heard with both ears, and that it be called a sone. 1952Sci. News Let. 28 June 411/2 The field studies..used the ‘sone’ as a unit of loudness. The decibel..measures only the intensity of a noise. It is the loudness that is most objectionable to the human ear. 1958Times 18 July 7/6 The sone scale is..based on the averaged impressions of supposedly normal individuals in identifying the relative loudness of different sounds, i.e., that they are two, three or four times, &c., as loud as a sound of one sone. 1960New Scientist 25 Feb. 454/1 The American Automobile Manufacturers' Association adopted in 1954 a noise specification for new vehicles of 125 sones measured at 50 feet. 1970[see noy].
▪ II. sone
var. soign v., son n.2; obs. var. or f. son, soon, sound, sun. |