The measurement of color temperature is expressed in _____. - answer✔✔Kelvin
What does a sightline study determine? - answer✔✔The most appropirate seating layout and
screen position.
In radio frequency transport, the program signal is added to a ____ signal before transportation. -
answer✔✔Carrier
Which of the following statements describes rear projection technology? - answer✔✔Rear
projection displays provide better contrast and color saturation in high ambient light
environments than front projection displays.
Which of the following statements about automatic mixers in audio applicaitons is true? -
answer✔✔They are used for speech applications, such as meetings.
A gate function automatically mutes all audio signals that ____. - answer✔✔Fall below a set
threshold.
A distribution amplifier is used to ____. - answer✔✔Split one input into multiple isolated
outputs, each with the same signal level.
What is a circuit's bandwidth? - answer✔✔The range of frequencies a circuit can detect.
A string's vibration or loudspeaker cone's movement pushing air molecules forward demonstrates
how sound waves are ____. - answer✔✔Generated
What unit(s) are used for quantifying resistance and impedance? - answer✔✔Ohms are used for
both resistance and impedance.
Audio signals may be purposely delayed in sounds reinforcement applications in order to ensure
that ____. - answer✔✔Sound will reach all listeners at the same time.
Which of the following statements accurately describes unidirectional control communications? -
answer✔✔Unidirectional communication does not verify the receipt of commands.
If the resolution of an image is increased, the signal bandwidth ____. - answer✔✔Increases
If the color temperature is low, the light will appear to be more ____. - answer✔✔Red.
What type of waves has the highest frequency in the range of the electromagnetic spectrum? -
answer✔✔Ultraviolet
If an electronic frequency falls outside of a circuit's bandwidth, that frequency will be ____. -
answer✔✔Lost
For a video display that requires detailed veiwing, the position of the frarthes viewer should be
no more than ____ times the height of the display away from the screen. - answer✔✔6
A light source's color temperature refers to it's ____. - answer✔✔Tint
If the brightness level of a display is too high, the black areas of the image will appear ____. -
answer✔✔Gray
RF wireless microphones typically allow the user to change ____ in order to avoid interference
from outside sources or other wireless microphones. - answer✔✔Frequency
What type of audio processor passes very little or no additional level when the input exceeds the
threshold level? - answer✔✔Limiter
What is the purpose of a wall wash in three-point lighting system? - answer✔✔It lights the
background.
Which of the following is a role of the DHCP server? - answer✔✔Ensuring that no two devices
receive the same IP address.
In Ohm's Law, voltage may be represented as V for volts. What other variable can represent
voltage? - answer✔✔Electromotive Force
An AV system is bes defines as two or more pieces of AV equipment that ____. - answer✔✔Are
designed to work together in order to meet a communication need.
What is the light source of an OLED? - answer✔✔The OLED itself.
Projected images should be viewed at angles not exceeding ____ degrees off the projection axis.
- answer✔✔45
It requires ____dB change for people to perceive a change in sound that is either twice or half as
loud. - answer✔✔10
Frequencies in the spectrum of human hearing can be divided into ten bands, each representing
____. - answer✔✔1 Octave
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Thebright. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
