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  • << Results for terms beginning with C // Composite Video Signal

    What is a composite video signal?

    A composite video signal is a type of analog video transmission. It carries a standard definition video of 480i or 576i resolution. It is encoded only on one side, unlike other higher-quality signals. There are three main variants of composite videos: NTSC, PAL, and SECAM.

    What are the components of a composite video signal?

    Composite video signal consists of a camera signal corresponding to the desired picture information, blanking pulses, synchronizing pulses, and receiver scanning.

    What are the possibilities of signal distortion?

    In composite video signals, the interference between luminance and chrominance is inevitable, especially in weak signals. TV sets are designed to show chrominance and luminance separately. In composite signals, chrominance and luminance overlap above a frequency of 2.1MHz. This has to be separated before showing it on TV otherwise errors in video occur.