Video

Video

Industry: Entertainment

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Video

Composite analogue

Entertainment; Video

An encoded video signal, such as NTSC or PAL video, that includes horizontal and vertical synchronising information.

A small reference packet of the subcarrier sine wave, typically 8 or 9 cycles, which is sent on every line of video. Since the carrier is suppressed, this phase and frequency reference is required ...

Compression, quasi-lossless

Entertainment; Video

Bit-rate reduction of an image signal, by an algorithm recognising the high degree of correlation ascertainable in specific images. The reproduced image does not replicate the original when viewed in ...

Broadcast television

Entertainment; Video

Conventional terrestrial television broadcasting, the most technically constrained delivery mechanism for ATV, faced with federal regulations and such potential problems as multipath distortion and ...

Composite blanking

Entertainment; Video

The complete television blanking signal composed of both line rate and field rate blanking signals. See Line Blanking and Field Blanking.

Burst gate

Entertainment; Video

This signal tells the receiver valid colour ready for use.

Comparator

Entertainment; Video

A circuit that responds to the relative amplitudes of two inputs, A and B, by providing a binary output, Z, that indicates A>B or A<B. The comparator has two inputs, X, Y, and one output, Z. A ...