| 释义 |
codec, n. Telecomm. and Electronics.
Brit. |ˈkəʊdɛk|, U.S. |ˈkoʊˌdɛk|
[Probably partly > n.) + dec- (in decoder n. at decode v. Derivatives), and partly > v.) + dec- (in decompress v.).]
A device which can encode and decode or compress and decompress a signal or block of data to facilitate transmission or storage; esp. one which converts analog video into compressed video or analog sound into digital sound.
1967Times 10 June 2/3 A new device that can beat the telephone bugging expert has been developed... The Codec (short for Coder and Decoder) will fit into the case of an ordinary telephone handset. 1987T. Forester High-Tech Society (1989) iv. 125 A full motion color TV picture can typically be transmitted via Codecs using only 768,000 bits of data per second (equivalent to just 12 ordinary phone calls), instead of the millions of bits required before. 1996MacUser Sept. 64/1 With the addition of drop-in codecs, it can support new video-capture and -compression hardware. 20033D World Christmas 8/1 With a good understanding of the codecs available, you can squeeze a 300k video file into 30k of RAM. |