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26 relations: Analog signal, Analog-to-digital converter, Blanking (video), BT.1120, Chroma subsampling, Chrominance, Clock signal, Color space, Colorfulness, Composite video, Contrast (vision), Electronic circuit, Field (video), Frame grabber, Frame synchronization (video), Hue, Integrated circuit, ITU-R BT.656, Luminance, NTSC, PAL, RGB color model, S-Video, Video, Video capture, YCbCr.
Analog signal
An analog signal is any continuous signal for which the time varying feature (variable) of the signal is a representation of some other time varying quantity, i.e., analogous to another time varying signal.
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Analog-to-digital converter
In electronics, an analog-to-digital converter (ADC, A/D, or A-to-D) is a system that converts an analog signal, such as a sound picked up by a microphone or light entering a digital camera, into a digital signal.
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Blanking (video)
In raster scan equipment, an image is built up by scanning an electron beam from left to right across a screen to produce a visible trace of one scan line, reducing the brightness of the beam to zero (horizontal blanking), moving it back as fast as possible to the left of the screen at a slightly lower position (the next scan line), restoring the brightness, and continuing until all the lines have been displayed and the beam is at the bottom right of the screen.
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BT.1120
BT.1120 is a digital interface standard for HDTV studio signals published by the International Telecommunication Union.
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Chroma subsampling
Chroma subsampling is the practice of encoding images by implementing less resolution for chroma information than for luma information, taking advantage of the human visual system's lower acuity for color differences than for luminance.
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Chrominance
Chrominance (chroma or C for short) is the signal used in video systems to convey the color information of the picture, separately from the accompanying luma signal (or Y for short).
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Clock signal
In electronics and especially synchronous digital circuits, a clock signal is a particular type of signal that oscillates between a high and a low state and is used like a metronome to coordinate actions of digital circuits.
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Color space
A color space is a specific organization of colors.
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Colorfulness
Colorfulness, chroma and saturation are attributes of perceived color relating to chromatic intensity.
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Composite video
Composite video (one channel) is an analog video transmission (without audio) that carries standard definition video typically at 480i or 576i resolution.
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Contrast (vision)
Contrast is the difference in luminance or colour that makes an object (or its representation in an image or display) distinguishable.
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Electronic circuit
An electronic circuit is composed of individual electronic components, such as resistors, transistors, capacitors, inductors and diodes, connected by conductive wires or traces through which electric current can flow.
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Field (video)
In video, a field is one of the many still images which are displayed sequentially to create the impression of motion on the screen.
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Frame grabber
A frame grabber is an electronic device that captures (i.e., "grabs") individual, digital still frames from an analog video signal or a digital video stream.
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Frame synchronization (video)
In video, frame synchronization is the process of synchronizing display pixel scanning to a synchronization source.
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Hue
Hue is one of the main properties (called color appearance parameters) of a color, defined technically (in the CIECAM02 model), as "the degree to which a stimulus can be described as similar to or different from stimuli that are described as red, green, blue, and yellow", (which in certain theories of color vision are called unique hues).
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Integrated circuit
An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, normally silicon.
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ITU-R BT.656
ITU-R Recommendation BT.656, sometimes also called ITU656, describes a simple digital video protocol for streaming uncompressed PAL or NTSC Standard Definition TV (525 or 625 lines) signals.
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Luminance
Luminance is a photometric measure of the luminous intensity per unit area of light travelling in a given direction.
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NTSC
NTSC, named after the National Television System Committee,National Television System Committee (1951–1953),, 17 v. illus., diagrs., tables.
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PAL
Phase Alternating Line (PAL) is a color encoding system for analogue television used in broadcast television systems in most countries broadcasting at 625-line / 50 field (25 frame) per second (576i).
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RGB color model
The RGB color model is an additive color model in which red, green and blue light are added together in various ways to reproduce a broad array of colors.
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S-Video
S-Video (also known as separate video and Y/C) is a signaling standard for standard definition video, typically 480i or 576i.
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Video
Video is an electronic medium for the recording, copying, playback, broadcasting, and display of moving visual media.
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Video capture
Video capture is the process of converting an analog video signal—such as that produced by a video camera, DVD player, or television tuner—to digital video and sending it to local storage or to external circuitry.
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YCbCr
YCbCr, Y′CbCr, or Y Pb/Cb Pr/Cr, also written as YCBCR or Y'CBCR, is a family of color spaces used as a part of the color image pipeline in video and digital photography systems.
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References
[1] https://en.wikipedia.org/wiki/Video_decoder
