Audio: The sound that is recorded
on the videotape.
Automatic Level Control: Circuitry
in the recorder that turns the audio level up when it
is quiet and down when the sound is loud. It listens
for the loudest sound and adjusts the audio to that
Back Lighting: When there is stronger
light behind the subject than in front of it. This causes
Chroma Key: A chroma key is the removal
of a color (or small color range) from one image to
reveal another “behind” it. The removed
color becomes transparent. This technique is also referred
to as color keying, color separation overlay, greenscreen
and bluescreen. It is typically used for weather forecasts.
The presenter appears to be standing in front of a large
map, but in the studio it is actually a large blue or
Focus: Adjusting the camera so that
the picture isn’t fuzzy.
Input: Receiving an audio signal.
Also referred to as “mic in” or “line
Line Level: Audio input designed to
receive sound from an electronically powered source
such as a CD player, a VCR or a DVD player.
Macro: Lens adjustment used to focus
for extreme close-ups.
Microphone (Mic): A device used to
pick up sound.
Camera Mic: The microphone that
is an integral part of a camera.
External: Mic on a cable plugged
into the camera or recorder.
Hand-Held Mic: A microphone held
in the hand that is useful for conducting interviews.
Internal: Mic attached to the camera.
Lapel Mic: A small mic that clips
to a person’s clothing.
Wireless Mic: A mic that uses a
radio transmitter to send the sound from the mic to
Output: Sending an audio signal. Also
referred to as “mic out” or “line
Storyboard: A panel or series of panels
on which a set of sketches is arranged depicting consecutively
the important changes of scene and action in a series
Tripod: A good tripod will greatly
enhance your video production. One of the principal
rules of video production is camera steadiness. Shooting
with the camera on the shoulder requires care and practice.
A tripod lets the less experienced camera operator concentrate
on other aspects of shooting.
Video: The picture that is recorded
on the videotape.
White Balance: The white balance function
adjusts the camera’s color range to the light
illuminating the subject. Light from different sources
has different color. Sunlight is blue. Incandescent
light is red. Fluorescent light is green. For accurate
color you must adjust the white balance every time the