Contributors in Video

Video

Chroma key

Entertainment; Video

The process of overlaying one video signal over another by replacing a range of colours with the second signal. Typically, the first (foreground) picture is photographed with a person or object ...

Chrominance level

Entertainment; Video

The colour portion of a video signal separate from the luminance (or brightness) component, representing the saturation and hue (tint) at a particular point of the image. Black, grey and white have ...

Codec

Entertainment; Video

Code/Decode. An encoder plus a decoder is an electric device that compresses and decompresses digital signals. CODECs usually perform A-to-D and D-to-A conversion.

Adaptive compression

Entertainment; Video

Data compression software that continually analyses and compensates its algorithm, depending on the type and content of the data and the storage medium.

Audio followup video (AFV)

Entertainment; Video

During video recording, the video signal is usually accompanied by an audio signal. Sometimes, during video editing, it is often necessary to separate the audio from the video signal. ...

Analogue video

Entertainment; Video

A video signal that represents an infinite number of smooth gradations between given video levels. analogue video whether transmitted over cables, read from videotapes or broadcast, is subject to ...

Asymmetrical compression

Entertainment; Video

A system which requires more processing capability to compress an image than to decompress an image. It is typically used for the mass distribution of programmes on media such as CD-ROM, where ...

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