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What (who) is codec - definition
DEVICE OR SOFTWARE FOR ENCODING OR DECODING A DIGITAL DATA STREAM
Endec; Essence (media); CODEC; Codecs; Codec Pack; Media Codec; Multimedia codec; Software codec; Lower bit rate codecs; Media codec; Encoder/decoder; Coder/decoder; Fake codec
CODEC
COder - DECoder
CODEC
Wikipedia
Codec
A codec is a device or computer program that encodes or decodes a data stream or signal. Codec is a portmanteau of coder/decoder.
In electronic communications, an endec is a device that acts as both an encoder and a decoder on a signal or data stream, and hence is a type of codec. Endec is a portmanteau of encoder/decoder.
A coder or encoder encodes a data stream or a signal for transmission or storage, possibly in encrypted form, and the decoder function reverses the encoding for playback or editing. Codecs are used in videoconferencing, streaming media, and video editing applications.
Examples of use of codec
1. The Federal Circuit Court of Appeals said that the world‘s largest software maker was liable for the unauthorized distribution of codec technology, used to compress speech signals into data, in copies of Windows overseas.
2. AT&T lawyers said that the ruling only protected its patent, which covers a program with a speech codec‘‘ that digitizes speech. Congress‘s congressional authority is to protect the rights of U.S. inventors, not U.S. infringers,‘‘ they said.
3. The US Court of Appeals for the Federal Circuit said the world‘s largest software maker was liable for the unauthorized distribution of codec technology, used to compress speech signals into data, in copies of Windows overseas.
4. The picture is generally quite watchable, but it is soft and exhibits some occasionally noticeable video–processing glitches. (Geeks, take note: the movies are streamed with the same VC–1 codec used on Blu–ray Discs and Xbox Live Marketplace‘s video downloads.) We watched video on TVs ranging in size from 1' inches to 50 inches.
5. "PlaysForSure is still a program we‘re going to invest in, we still have a lot of partners there, and for a class of consumers who want to have a handcrafted media experience and maximise their choice, we have an answer," he told the Engadget blog (tinyurl.com/ksgqd). "There‘s another class of consumers that just want digital media, and they just want to be able to go to one store and have it all just plain, dead simple, and don‘t want to know what a codec is." Vendors who had lined up behind PlaysForSure believing it was that simple solution – among them Napster, MTV‘s Urge, Creative and Samsung – may have been surprised.