AVIXA Recognized AV Technologist Test 100
QUESTIONS AND ANSWERS 115 QUESTIONS
AND CORRECT DETAILED ANSWERS WITH
RATIONALES (VERIFIED ANSWERS) ALREADY
GRADED A+ 2025 NEW UPDATE
- CORRECT ANSWER: Frequency Response Specification
The microphone frequency response specification _____. (Choose all that apply.)
defines the relative electrical output level of the microphone over an audible frequency
spectrum
is a two-dimensional graph of spectrum vs. frequency
shows the highest frequency a microphone can transduce
shows the lowest frequency a microphone can transduce
"E" for Electromotive force - CORRECT ANSWER: In Ohm's Law, voltage may be
represented as "V" for volts. What other variable can represent voltage?
"W" for Watts
"P" for Power
"I" for Intensity
"E" for Electromotive force
1 octave - CORRECT ANSWER: Frequencies in the spectrum of human hearing can be
divided into ten bands, each representing _____.
10 fundamental frequencies
10 dB of sound pressure
1 octave
,1000 Hz
10 - CORRECT ANSWER: It requires a _____ dB change for people to perceive a
change in sound that is either twice or half as loud.
1
15
5
10
12 MHz - CORRECT ANSWER: If the start frequency is 6 MHz, and the end frequency
is 18 MHz, what is the bandwidth?
12 MHz
18 MHz
24 MHz
6 MHz
6 dB - CORRECT ANSWER: How much is sound pressure reduced every time the
distance from the source is doubled?
5 dB
7 dB
6 dB
4 dB
A group of functions activated by a single control input - CORRECT ANSWER: What is
a macro in a control system?
A group of functions activated by a single control input
A type of system interface
A special type of control hardware
, A control system programming language
A sound reinforcement system where each listener hears a mix of the microphone
signals, minus the closest microphone(s). - CORRECT ANSWER: What is a mix-minus
system?
A sound reinforcement system where each listener hears a mix of the microphone
signals, minus the closest microphone(s).
A sound reproduction system that plays recorded audio, minus any human voices.
A sound reproduction system that plays an optimized mix, minus any frequencies
outside the audible range.
A sound reinforcement system where each listener hears a mix of all sound sources,
minus any ambient noise.
absorption - CORRECT ANSWER: When designers use dark materials to darken a
room, they are using light's quality of _____.
dispersion
absorption
refraction
scattering
after checking the audio signal level at the mixer, but before making adjustments to the
microphone preamplifiers - CORRECT ANSWER: An audio system's power amplifier
should be turned on _____.
after turning the power amplifier outputs to their maximum settings
before checking any audio signal levels in the system
after checking the audio signal level at every gain stage of the system
after checking the audio signal level at the mixer, but before making adjustments to the
microphone preamplifiers
QUESTIONS AND ANSWERS 115 QUESTIONS
AND CORRECT DETAILED ANSWERS WITH
RATIONALES (VERIFIED ANSWERS) ALREADY
GRADED A+ 2025 NEW UPDATE
- CORRECT ANSWER: Frequency Response Specification
The microphone frequency response specification _____. (Choose all that apply.)
defines the relative electrical output level of the microphone over an audible frequency
spectrum
is a two-dimensional graph of spectrum vs. frequency
shows the highest frequency a microphone can transduce
shows the lowest frequency a microphone can transduce
"E" for Electromotive force - CORRECT ANSWER: In Ohm's Law, voltage may be
represented as "V" for volts. What other variable can represent voltage?
"W" for Watts
"P" for Power
"I" for Intensity
"E" for Electromotive force
1 octave - CORRECT ANSWER: Frequencies in the spectrum of human hearing can be
divided into ten bands, each representing _____.
10 fundamental frequencies
10 dB of sound pressure
1 octave
,1000 Hz
10 - CORRECT ANSWER: It requires a _____ dB change for people to perceive a
change in sound that is either twice or half as loud.
1
15
5
10
12 MHz - CORRECT ANSWER: If the start frequency is 6 MHz, and the end frequency
is 18 MHz, what is the bandwidth?
12 MHz
18 MHz
24 MHz
6 MHz
6 dB - CORRECT ANSWER: How much is sound pressure reduced every time the
distance from the source is doubled?
5 dB
7 dB
6 dB
4 dB
A group of functions activated by a single control input - CORRECT ANSWER: What is
a macro in a control system?
A group of functions activated by a single control input
A type of system interface
A special type of control hardware
, A control system programming language
A sound reinforcement system where each listener hears a mix of the microphone
signals, minus the closest microphone(s). - CORRECT ANSWER: What is a mix-minus
system?
A sound reinforcement system where each listener hears a mix of the microphone
signals, minus the closest microphone(s).
A sound reproduction system that plays recorded audio, minus any human voices.
A sound reproduction system that plays an optimized mix, minus any frequencies
outside the audible range.
A sound reinforcement system where each listener hears a mix of all sound sources,
minus any ambient noise.
absorption - CORRECT ANSWER: When designers use dark materials to darken a
room, they are using light's quality of _____.
dispersion
absorption
refraction
scattering
after checking the audio signal level at the mixer, but before making adjustments to the
microphone preamplifiers - CORRECT ANSWER: An audio system's power amplifier
should be turned on _____.
after turning the power amplifier outputs to their maximum settings
before checking any audio signal levels in the system
after checking the audio signal level at every gain stage of the system
after checking the audio signal level at the mixer, but before making adjustments to the
microphone preamplifiers
