| 单词 | master matrix |
| 释义 | > as lemmasmaster matrix b. Originally (also master matrix): a disc with ridges in place of grooves which is used to press gramophone records or to make a mother (mother n.1 20). Now more widely: an original (of a sound recording, film, data file, etc.) from which copies may be made. ΘΚΠ society > communication > record > recording or reproducing sound or visual material > sound recording and reproduction > a sound recording > [noun] > record or disc > matrix or negative master1904 matrix1904 master matrix1918 mother1918 negative1918 stamper1918 1918 H. Seymour Reprod. Sound 68 The original master is recorded by means of a feed thread... This is thereupon electro-typed—that is, a metallic negative is grown upon it, and this is called the master matrix. A small number of casts in wax are made from this... These are similarly electro-typed, and become the working matrices. 1935 H. C. Bryson Gramophone Rec. vi. 130 (caption) Stripping copper masters from the wax. 1935 H. C. Bryson Gramophone Rec. vi. 142 The wax is positive, the copper master is negative, the mother is positive, the stamper is negative, and the record produced from it is therefore positive and will play on a gramophone. 1957 IRE Trans. Audio 5 5/1 Both single-track and dual-track duplicates may be made to play back at the same speed as the master. 1962 A. Nisbett Technique Sound Studio 259 The master has ridges instead of grooves. In half processing (when only a small run is required) the master is also used as a stamper. 1989 Cineaste Sept. 22/1 Color film is protected archivally by the production of three black and white (silver) masters. Each master (cyan, magenta, and yellow) carries a portion of the spectrum. 1993 OR/MS Today Aug. 57/1 Hierarchical blocks can have a unique existence such that changes to the master or to the copy do not affect each other. < as lemmas |
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