loudspeakers that have high frequencies, typically 2,000 Hz – 20,000 Hz
When you _____, the camera head moves sideways.
pan
A _____ converts composite or S-Video signals, along with corresponding audio signals, into modulated signals on a carrier channel.
modulator
This allows for the removal of the color green from the video spectrum so that the green background can be replaced with something else, such as a photo or video of another location.
a green screen
What does MPEG-2 refer to?
a compression scheme that reduces the number of bits needed to code the video image
A computer technology that uses visualizations to create simulated and immersive environments that can be explored is called _____.
virtual reality
In a tight shot, the camera moves _____ to the subject.
closer
What does CU stand for?
close-up
All light in a viewing room produced by sources other than the display is called _____.
ambient light
What is the most common computer memory used by programs to perform necessary tasks while the computer is on?
RAM (random access memory)
Which video signal is also known as Y/C? (Y is the luminance and C is the chrominance)
S-video
What type of light do remote controls and other wireless devices use?
infrared light (IR)
What is depth-of-field?
The area in front of a camera lens that is in focus from the closest item to the camera to the furthest away.
Key light is the _____ light used in front of a person.
strongest
Another term for long shot is _____ shot.
wide
A summary of the script is called a pitch or a _____.
treatment
An electronic device for increasing the strength of electrical signals is called _____.
an amplifier
An electrical representation of sound is called an _____ signal.
audio
An opening in a lens regulating the amount of light passing through the lens is called an _____.
aperture
A microphone which is placed on a table to pick up sound is called a ______ mount microphone.
surface
What is a shotgun microphone?
It's a long, cylindrical, highly sensitive, unidirectional microphone used to pick up sound from a great distance.
What do you call the small element used to build a digital image?
a pixel
What type of microphone does not need a cable to transmit sound, and instead uses radio signals?.
a wireless microphone
What does PDP stand for?
plasma display panel
_____ projection is when the projector’s beam projects to the screen from the audience side or front of the display.
front
The ________ the signal to noise (S/N) ratio, the better the quality of the sound or picture.
higher
An omnidirectional microphone gathers _____ from _____ directions.
An omnidirectional microphone gathers sound from many directions.
_____ projection is when the projector’s beam projects onto the screen from behind.
rear
In a _____ angle shot, the subject is photographed from below eye level.
low
What is closed circuit television (CCTV)?
It's a system of transmitting video signals from the point of origin to single or multiple points equipped to receive signals.
What do you call a device for blending multiple audio sources?
a mixer
What does HDTV stand for?
high-definition television
A sound that has the same energy level at all frequencies is called _____.
white noise
What are subwoofers?
loudspeakers that reproduce lower frequencies, typically 20 Hz – 200 Hz
Compression is the action of air molecules moving _____ together permitting audible sound.
closer
In a high angle shot, the subject is photographed from _____ eye level.
above
The viewing cone is the _____ viewing area for the audience.
best
F-stop represents how much _____ is able to pass through the _____.
light; lens
This device is used primarily in the studio to allow a presenter to look into a camera and see text or their presentation at the same time.
a teleprompter
Sound that is extraneous to the intentional audio (background noise) is called _____.
ambient noise
What type of video file format compresses and reduces the file size from the original version while delivering a good quality reproduction?
MP4
What is a boom?
a pole that holds the microphone above the scene
What do you call the process of making changes to recorded video to remove unwanted video or to add video, titles, logos, sound effects, and music?
video editing
What is a shotgun microphone used for?
background sounds
A measure of information carrying capacity without distortion is called _____.
bandwidth
A free-standing display designed to invite engagement and interaction with content is called an _____.
interactive kiosk
What is 360-video?
It's total panoramic video with a growing list of practical and experimental applications, including Virtual Reality, Augmented Reality, and 3-D views.
What does LCD stand for?
liquid crystal display
What is focal length?
It is the distance, in millimeters, between the center of a lens and the point where the image comes into focus.
What does LED stand for?
light emitting diode
What is resolution?
1. The amount of detail in an image. 2. The number of picture elements (pixels) in a display.
What does HDMI stand for?
high-definition multimedia interface
What do you call unwanted noise caused by the loop of an audio system’s output back to its input?
feedback
What do you call lenses that allow the operator to adjust focal length for sizing or distance?
zoom lenses
A splitter is _______
an electronic device that divides a signal into different pieces to route to different devices
What is 4k video?
high-resolution displays that have a minimum number of pixels, about four times as many as a standard HDTV.
A superior shot is when you shoot a scene from _____.
above
What does BYOD stand for?
bring your own device
What is a cutaway?
It's when you cut one part to show another part in the scene
Which technology uses glass or plastic threads or wires to transmit information?
fiber optic
With _______ video or audio, a web user does not have to wait to download a large file before seeing the video or hearing the sound.
streaming
What is the rule of thirds?
It's when you divide the shot into three sections.
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