NTSC & Refresh rate - Unionpedia, the concept map

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Difference between NTSC and Refresh rate

NTSC vs. Refresh rate

NTSC (from National Television Standards Committee) is the first American standard for analog television, published in 1941. The refresh rate, also known as vertical refresh rate or vertical scan rate in reference to terminology originating with the cathode-ray tubes (CRTs), is the number of times per second that a raster-based display device displays a new image.

Alternating current

Alternating current (AC) is an electric current that periodically reverses direction and changes its magnitude continuously with time, in contrast to direct current (DC), which flows only in one direction.

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Broadcast television systems

Broadcast television systems (or terrestrial television systems outside the US and Canada) are the encoding or formatting systems for the transmission and reception of terrestrial television signals.

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Cathode-ray tube

A cathode-ray tube (CRT) is a vacuum tube containing one or more electron guns, which emit electron beams that are manipulated to display images on a phosphorescent screen.

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Display device

A display device is an output device for presentation of information in visual or tactile form (the latter used for example in tactile electronic displays for blind people).

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Film

A film (British English) also called a movie (American English), motion picture, moving picture, picture, photoplay or (slang) flick is a work of visual art that simulates experiences and otherwise communicates ideas, stories, perceptions, feelings, beauty, or atmosphere through the use of moving images.

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Frame rate

Frame rate, most commonly expressed in or FPS, is typically the frequency (rate) at which consecutive images (frames) are captured or displayed.

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Interlaced video

Interlaced video (also known as interlaced scan) is a technique for doubling the perceived frame rate of a video display without consuming extra bandwidth.

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PAL

Phase Alternating Line (PAL) is a colour encoding system for analog television.

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Raster scan

A raster scan, or raster scanning, is the rectangular pattern of image capture and reconstruction in television.

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SECAM

SECAM, also written SÉCAM (Séquentiel de couleur à mémoire, French for color sequential with memory), is an analog color television system that was used in France, Russia and some other countries or territories of Europe and Africa.

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Telecine

Telecine is the process of transferring film into video and is performed in a color suite.

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Three-two pull down

Three-two pull down (3:2 pull down) is a term used in filmmaking and television production for the post-production process of transferring film to video.

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Utility frequency

The utility frequency, (power) line frequency (American English) or mains frequency (British English) is the nominal frequency of the oscillations of alternating current (AC) in a wide area synchronous grid transmitted from a power station to the end-user.

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Vertical blanking interval

In a raster scan display, the vertical blanking interval (VBI), also known as the vertical interval or VBLANK, is the time between the end of the final visible line of a frame or field and the beginning of the first visible line of the next frame or field.

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