video codec

(redirected from Video Decoding)

video codec

(1) (video enCOder/DECoder) Software that compresses and decompresses a digital video signal. MPEG, Windows Media Video (WMV) and H.264 are examples of popular codecs that compress and decompress digital video. The video codec may also be a hardware circuit. See codec examples, codec, MPEG, Windows Media formats, QuickTime, H.264 and VC-1.

(2) (video enCOder/DECoder) A hardware circuit that converts analog video (NTSC, PAL, SECAM) into digital code and vice versa. The circuit may provide only the A/D and D/A conversion, or it may include a compression algorithm to further reduce the signal such as defined in #1 above. See codec.
References in periodicals archive ?
The system uses Sigma's EM8400 to enable digital video decoding for various modes of Video-On Demand.
Sigma specializes in digital video decoding for DVD playback applications, as well as for streaming video over corporate intranets and extranets, and for the emerging interactive digital Set-Top Box Internet information appliance market.
Intel, claims that the patents Broadcom is allegedly infringing are related to networking products, video decoding used in cable-modem products and the silicon packaging Broadcom uses to sell its chips.
By combining Conexant's expertise in analog and digital television signal demodulation and tuning with RAVISENT's digital audio and video decoding and transport stream management technology, the two companies say they will create complete HDTV product solutions that PC manufacturers and board vendors can market to consumers as a high- quality interactive platform for true HDTV.