Interlaced Scanning - The scanning of all the odd-numbered lines (first field) and the subsequent
scanning of all the even-numbered lines (second field). The two fields make up a complete television
frame.
Progressive Scanning - Each frame of video is scanned by the electron beam as a single field. If slowed
down, each frame would appear on the monitor in its entirety on the screen, rather than line by line, as
is the case with interlaced scanning
Y/C - (Luminance and Chrominance) A term used to describe the separation of video signal components
used in systems such as Hi-8 and S-VHS.
Component video signal - 3 separate cables/wires, RGB, that give us color
Composite video signal - A combined video signal of red, green, and blue into one cable/connector.
RCA connector - Used for connecting to video devices to send audio and video signals.
XLR Microphone connector - The three pronged plug used to connect a microphone to the recording
device. (includes male and female ends)
RGB - The primary colors of light (not of the inks used in printing) are red, green and blue, known by the
acronym RGB.
Additive Color Theory - also known as the additive color principle. the process of combining the primary
additive colors of red, green, and blue to create a new lighter color
BNC Connector - A type of connector commonly used in television production. the female and male
versions lock together securely with a simple 1/4 turn.
, f-stop - The number defining how large or small your aperture is set to. Smaller numbers (1, 1.4, 2, 2.8)
equal a larger opening, whereas larger numbers (22, 32, 45, 64) equal a smaller opening.
Ellipsoidal light - I light fixture with a long barrel. A work horse of industry, captures and shoots light out
in parallel lines, like human eye
Fresnel Light - A light fixture with spherical reflector and ability to change beam size. Light is soft and
even.
Key Light - Also known as the Main or Source Light. This is the primary source of illumination and is
customarily set first. Positioned to one side of the camera, creates Hard Shadows.
Fill Light - The lighting instrument that is placed opposite the key light to provide illumination on the
other side of the talent's face or object in the shot
Back Light - The lightning instrument placed above and behind, at the twelve o'clock position, the talent
or object in a shot to separate the talent or object from the background.
Lighting Ratio - The amount of light from fill light to key light, The proportional relationship between the
amount of light falling on the subject from the main light and other lights, expressed in a ratio, such as
3:1.
HDTV - High-definition television, capable of receiving and displaying high-resolution images, videos, and
broadcasts.
Frame Rate - The speed at which frames progress in an animation. Measures usually as frames per
second (fps).
SDTV - Standard Definition Television
Video Resolution - a measure of the clarity of an image, measure of the ability of a video camera to
reproduce fine detail
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