A/V I Mid-Term Exam

Safety should be understood and practiced by:

Which communication method used large movable arms on top of towers?

A portable camera with the video recorder built into it.

A three-legged camera mount. Also called sticks.

The space between the top of the head and the upper screen edge.

To adjust the color circuits in the camera to produce white color in lighting of various color temperatures.

To turn the camera horizontally.

The scale on the lens, indicating the aperture. The larger the number, the smaller the aperture; the smaller the number, the larger the aperture.

Adjustable lens-opening mechanism. Also called lens diaphragm.

With the lens set at infinity, the distance from the iris to the plane where the picture is in focus. Normally measured in millimeters or inches.

To point the camera up or down.

Equipment separate from the actual camera that allows the video operator to adjust the color and brightness balance before and during the production.

A camera control that reduces the blurring of bright, fast-moving objects. The higher the number, the less blurring occurs but the more light is needed.

A small video screen or flat-panel display on a camera that shows the black-and-white or color picture the camera generates. The flat-panel displays are also called monitors.

The ratio of the width of the television screen to its height. In STV (standard television), it is 4 x 3 (4 units wide by 3 units high); for HDTV (high-definition television), it is 16 x 9 (16 units wide by 9 units high).