| 单词 | Dolby |
| 释义 | Dolby|ˈdɒlbɪ, ˈdəʊlbɪ|
[The name of Ray M. Dolby (b. 1933), U.S. engineer who devised the system.]
A proprietary name used attrib. and absol. to designate electronic noise-reduction systems employed esp. in tape recording to reduce hiss.
1966Wireless World Dec. 632/1 A new audio noise reduction or s/n ‘stretcher’ system has been developed by Dolby Laboratories of 590 Wandsworth Road, London, S.W.8. The company was set up in 1965{ddd}In the Dolby system,..compression and expansion are carried out at a low signal level. 1970Official Gaz. (U.S. Patent Office) 3 Mar. tm14/1 Dolby Laboratories Inc., New York... Dolby System... For noise suppressor which combats noise in transmission or recording systems. First use Oct. 30, 1966. 1970Wireless World Dec. 585/3 Use of this system, called Dolby ‘B’ being derived from a simplification of the Dolby ‘A’ system..is not limited to cassette recorders. 1973Daily Tel. 24 Oct. 2 (Advt.), The reason for this encouraging news is the noise-reduction system we've built into the deck. It's a Dolby... The Dolby system..will actually improve a poor recording on playback. 1974Official Gaz. (U.S. Patent Office) 18 June tm167/2 Dolby Laboratories Inc... Dolby. 1975Gramophone Jan. 1418/2 Even the listener without Dolby wins through less distortion. 1975G. J. King Audio Handbk. x. 234 A notable scheme is that due to Dr. Ray Dolby... This was first developed for professional studio use, and in this application is known as ‘Dolby A’. Ibid. (caption) Basic principles of ‘Dolby B’. All low-level h.f. signals are boosted during recording and attenuated during playback. 1975Trade Marks Jrnl. 3 Dec. 2599/2 Dolby... Instruments and apparatus for use in sound and vision recording, sound and vision reproduction and for the reduction or suppression of noise... Dolby Laboratories Inc. 1976Gramophone July 231/3 It has three heads,..dual-capstan closed loop drive, Dolby, multiplex filter etc. 1984What Video? Aug. 4/3 VHS Hi Fi is totally different from VHS Dolby stereo.
Hence ˈDolbyed, ˈDolbyized ppl. adjs., proprietary terms in Britain and the U.S. respectively applied to equipment fitted, and recordings made, with the Dolby system; (as a back-formation) ˈDolby v. trans.
1971Pop. Photogr. Aug. 99 Speaking of cassette recorders, with the exception of ‘Dolbyized’ models, you can count on one finger the number of models that have a hi-fi signal-to-noise ratio of 50 db. 1973Trade Marks Jrnl. 23 May 976/1 Dolbyed... Apparatus and instruments, all for the reduction or suppression of noise in systems for recording, reproducing or transmitting audio or video signals; magnetic tapes and discs... Dolby Laboratories Inc. 1975Official Gaz. (U.S. Patent Office) 22 Apr. tm260/1 Dolby Laboratories Inc., New York... Dolbyized... For pre-recorded magnetic tapes. 1975Ibid. 20 May 209/1 Dolby Laboratories Inc., New York... Dolbyized... For pre-recorded magnetic tapes. 1977Gramophone Jan. 1178/3 Companies..are still not prepared to Dolby non-classical material. Ibid. Mar. 1489/1 Provision is made for the addition of a Dolby circuit board to receive Dolbyied FM broadcasts. 1983Financial Times 19 Aug. i. 9/3 The soundtrack will fine down to a Dolbyised dog barking offscreen to evoke the pain and pathos of a long, lonely urban night. |
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