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10 Definitions

Composite Video

For Composite Video we have terms and definitions in 10 topics. The topics are Computer Technology, DVD, DVD and CD, Electronic Cinematography, HDTV, Home Theater, Multimedia, Television, Video and Video Surveillance.



Composite Video (Computer Technology)

Video in- or output where the colors red, green and blue and the image synchronisation are mixed into one signal.


Composite Video (DVD)

An analog video signal in which the luma and chroma components are combined (by frequency multiplexing), along with sync and burst. Also called CVBS. Most televisions and VCRs have composite video connectors, which are usually colored yellow.


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Composite Video (DVD and CD)

An analog video signal in which the luma and chroma components are combined (by frequency multiplexing), along with sync and burst. Also called CVBS. Most televisions and VCRs have composite video connectors, which are usually colored yellow.


Composite Video (Electronic Cinematography)

A composite video signal is one in which the luminance and chrominance are combined with synchronization signals using an interleaving encoding standard such as NTSC, PAL, or SECAM.


Composite Video (HDTV)

A single video signal that contains luminance (brightness) and chrominance (color) information. A composite signal is better than an RF signal, but not as good as S-video or component video. A composite video jack is usually a single RCA-type.


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Composite Video (Home Theater)

A signal that contains both chrominance and luminance on the same 75-ohm cable. Used in nearly all consumer video devices. Chrominance is carried in a 3.58-mHz sideband and filtered out by the TV's notch or comb filter. Poor filtering can result in dot crawl, hanging dots, or other image artifacts.


Composite Video (Multimedia)

A single video signal that contains brightness, color, and timing information. If a video system is to receive video correctly, it must have several pieces of the puzzle in place. It must have the picture that is to be displayed on the screen, and it must be displayed with the correct colors. This piece is called the active video. The video system also needs information that tells it where to put each pixel. This is called sync. The display needs to know when to shut off the electron beam so the viewer can't see the spot retrace across the CRT display. This piece of the video puzzle is called blanking. Now, each piece could be sent in parallel over three separate connections, and it would still be called video and would still look good on the screen. This is a waste, though, because all three pieces can be combined together so that only one connection is needed. Composite video is a video stream that combines all of the pieces required for displaying an image into one signal, thus requiring only one connection. NTSC and PAL are examples of composite video. Both are made up of active video, horizontal sync, horizontal blanking, vertical sync, vertical blanking, and color burst. RGB is not an example of composite video, even though each red, green, and blue signal may contain sync and blanking information, because all three signals are required to display the picture with the right colors.


Composite Video (Television)

Refers to a video signal where both the luminance component and the color component(s) are transmitted on a single wire or broadcast in a limited bandwidth. Each of the major systems NTSC, PAL, and SECAM has its own definition of how the luminance and color are combined. The luminance and color information must be separated before the picture can be displayed.


Composite Video (Video)

A picture signal combined with synchronization and (possibly) color information. Usually called baseband video, or just video.


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Composite Video (Video Surveillance)

This type of video is a combination of different source video signals, usually YUV, field, line, blanking pedestal, color sync, and field equalizing pulses. The end result is one composite signal, allowing it to be modulated onto a RF carrier.




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