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Audiovisual vocabulary

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  • What is 4k video?
    high-resolution displays that have a minimum number of pixels, about four times as many as a standard HDTV.
  • An omnidirectional microphone gathers _____ from _____ directions.
    An omnidirectional microphone gathers sound from many directions.
  • A microphone which is placed on a table to pick up sound is called a ______ mount microphone.
    surface
  • _____ projection is when the projector’s beam projects onto the screen from behind.
    rear
  • Key light is the _____ light used in front of a person.
    strongest
  • What do you call unwanted noise caused by the loop of an audio system’s output back to its input?
    feedback
  • What is resolution?
    1. The amount of detail in an image. 2. The number of picture elements (pixels) in a display.
  • What is a shotgun microphone?
    It's a long, cylindrical, highly sensitive, unidirectional microphone used to pick up sound from a great distance.
  • What is a boom?
    a pole that holds the microphone above the scene
  • In a _____ angle shot, the subject is photographed from below eye level.
    low
  • What does LED stand for?
    light emitting diode
  • 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.
  • What does LCD stand for?
    liquid crystal display
  • What do you call a device for blending multiple audio sources?
    a mixer
  • The viewing cone is the _____ viewing area for the audience.
    best
  • All light in a viewing room produced by sources other than the display is called _____.
    ambient light
  • What is a shotgun microphone used for?
    background sounds
  • What type of light do remote controls and other wireless devices use?
    infrared light (IR)
  • A splitter is _______
    an electronic device that divides a signal into different pieces to route to different devices
  • 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.
  • The ________ the signal to noise (S/N) ratio, the better the quality of the sound or picture.
    higher
  • A sound that has the same energy level at all frequencies is called _____.
    white noise
  • What do you call the small element used to build a digital image?
    a pixel
  • Which video signal is also known as Y/C? (Y is the luminance and C is the chrominance)
    S-video
  • 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
  • In a high angle shot, the subject is photographed from _____ eye level.
    above
  • What does PDP stand for?
    plasma display panel
  • What does MPEG-2 refer to?
    a compression scheme that reduces the number of bits needed to code the video image
  • 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
  • Another term for long shot is _____ shot.
    wide
  • 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
  • What type of microphone does not need a cable to transmit sound, and instead uses radio signals?.
    a wireless microphone
  • 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.
  • 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.
  • A _____ converts composite or S-Video signals, along with corresponding audio signals, into modulated signals on a carrier channel.
    modulator
  • In a tight shot, the camera moves _____ to the subject.
    closer
  • A free-standing display designed to invite engagement and interaction with content is called an _____.
    interactive kiosk
  • What are tweeters?
    loudspeakers that have high frequencies, typically 2,000 Hz – 20,000 Hz
  • _____ projection is when the projector’s beam projects to the screen from the audience side or front of the display.
    front
  • 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
  • Sound that is extraneous to the intentional audio (background noise) is called _____.
    ambient noise
  • An opening in a lens regulating the amount of light passing through the lens is called an _____.
    aperture
  • What is the most common computer memory used by programs to perform necessary tasks while the computer is on?
    RAM (random access memory)
  • When you _____, the camera head moves sideways.
    pan
  • What does HDTV stand for?
    high-definition television
  • What does CU stand for?
    close-up
  • An electrical representation of sound is called an _____ signal.
    audio
  • An electronic device for increasing the strength of electrical signals is called _____.
    an amplifier
  • What does HDMI stand for?
    high-definition multimedia interface
  • A superior shot is when you shoot a scene from _____.
    above
  • Compression is the action of air molecules moving _____ together permitting audible sound.
    closer
  • A computer technology that uses visualizations to create simulated and immersive environments that can be explored is called _____.
    virtual reality
  • F-stop represents how much _____ is able to pass through the _____.
    light; lens
  • A measure of information carrying capacity without distortion is called _____.
    bandwidth
  • A summary of the script is called a pitch or a _____.
    treatment
  • What type of video file format compresses and reduces the file size from the original version while delivering a good quality reproduction?
    MP4
  • What are subwoofers?
    loudspeakers that reproduce lower frequencies, typically 20 Hz – 200 Hz
  • What do you call lenses that allow the operator to adjust focal length for sizing or distance?
    zoom lenses
  • 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.
  • Which technology uses glass or plastic threads or wires to transmit information?
    fiber optic