EOPA Audio and Video Exam Questions
and Answers
4 point lighting
A typical lighting compsotion using four lights; key light, fill light, hair light, and
back light
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
amps
measurement for the amount of current in a circuit. when calcuating power using
watts/100= amps
analog signal
a type of signal where the data is represented by continuous waves
aspect ratio
, ratio of width to height in the dimensions of a frame; is, frame aspect ratio of
NTSC video is 4:3, some motion-picture frame sizes use a more elognated aspect
ratio of 16:9
back light
the lighting instrument placed above and behind, at the twelve o'clock position,
the talent or object in a shot to seperate the talent or object from the background
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
border merger
occurs when subject matter is cut off by the edge of the frame at an inapporiate
point
camera iris
a diaphragm consiting of thin overlapping plates that can be adjusted to change
the diameter of a central open controlling the ammount of light that can enter
the camera lens
and Answers
4 point lighting
A typical lighting compsotion using four lights; key light, fill light, hair light, and
back light
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
amps
measurement for the amount of current in a circuit. when calcuating power using
watts/100= amps
analog signal
a type of signal where the data is represented by continuous waves
aspect ratio
, ratio of width to height in the dimensions of a frame; is, frame aspect ratio of
NTSC video is 4:3, some motion-picture frame sizes use a more elognated aspect
ratio of 16:9
back light
the lighting instrument placed above and behind, at the twelve o'clock position,
the talent or object in a shot to seperate the talent or object from the background
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
border merger
occurs when subject matter is cut off by the edge of the frame at an inapporiate
point
camera iris
a diaphragm consiting of thin overlapping plates that can be adjusted to change
the diameter of a central open controlling the ammount of light that can enter
the camera lens
