video codec


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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 ?
These vendors have dominated the market in both low and high bandwidth video codecs.
264 video codec to offer users the advantages of 1080i and 720p high-definition, 16:9 widescreen and multi-channel digital audio.
264/AVC codec, to bring the same unique quality of its PC based software video codecs to the realtime DSP environment.
eVideo is Oki's video codec technology for video communication, recording and replaying over IP networks in high-speed and high-quality and with low latency.
The Xcute cell phone also includes InterVideo's MPEG-4 and DivX(R) video codec which allows consumers to record real time video clips at several resolutions up to VGA (640x480) at 30 fps (frames-per-second).