AET 2560 Sound Reinforcement Final
UPDATED Actual Exam Questions and
CORRECT Answers
1 Select the answer below that places the following items in order to complete a basic signal
flow for a sound reinforcement system.
a. Microphone, Mixer/Console, Power Amplifier, Effects Processors, Speaker
b. Microphone, Power Amplifier, Mixer/Console, Effects Processors, Speaker
c. Microphone, Mixer/Console, Effects Processors, Power Amplifier, Speaker - CORRECT
ANSWER✔✔-c. Microphone, Mixer/Console, Effects Processors, Power Amplifier, Speaker
In general when frequency ________, wave length ________.
a. is amplified, decreases
b. is amplified, increases
c. goes up, increases
d. goes up, decreases - CORRECT ANSWER✔✔-d. goes up, decreases
The inverse square law states: "For every doubling of distance from a sound source, the
intensity of a sound is reduced by four times it's strength."
True
False - CORRECT ANSWER✔✔-True
Which of the following items are not a primary requirement for a sound system?
a. Fidelity
b. Monitoring and Controllability
c. Intelligibility
d. Power
,e. Portability - CORRECT ANSWER✔✔-e. Portability
A line array is more commonly used in which type of PA system?
a. Installed P.A.
b. Touring P.A.
c. Personal P.A.
d. Band P.A. - CORRECT ANSWER✔✔-b. Touring P.A.
______ is the term used to refer to the equipment or resources whose primary function is to
provide audio coverage to the main audience area.
a. Front of House (FOH)
b. Backline
c. "Mains"
d. Monitors - CORRECT ANSWER✔✔-a. Front of House (FOH)
Which of the following attributes of a Permanently installed PA system are false?
a. Minimal setup time is needed for each show.
b. Equipment can be easily hidden through architectural structure and design.
c. The system is inflexible.
d. The system can easily be expanded. - CORRECT ANSWER✔✔-d. The system can easily
be expanded.
2 Energy absorbed by acoustic panels is released as...
a. cold
b. vibrations
c. heat
d. reflections - CORRECT ANSWER✔✔-c. heat
,A sound system is more likely to have reflection issues when...
a. the room has a lot of hard materials in it such as wood or stone.
b. the sound system is placed in an outdoor environment.
c. the room is heavily carpeted.
d. the relative humidity of the air is increased. - CORRECT ANSWER✔✔-a. the room has a
lot of hard materials in it such as wood or stone.
Diffusion - CORRECT ANSWER✔✔-when the energy of a sound is propagated in many
directions by an irregularly shaped object.
Diffraction - CORRECT ANSWER✔✔-the change of direction of travel of sound waves
caused by the interaction with an object.
Reflection - CORRECT ANSWER✔✔-the striking of a sound against a large flat object that
propagates the energy at an angle equal to the angle of incidence.
A good way to quickly assess the early reflective properties of a room is to excite the
acoustics of the room by whistling.
True
False - CORRECT ANSWER✔✔-False
It is easier to absorb low frequency sounds than it is to absorb high frequency sounds.
True
False - CORRECT ANSWER✔✔-False
What effect does the audience have on the perception of sound in a space?
a. people absorb high frequency energy
, b. the sound in a room can change based on the audience members sitting or standing
c. none of the above
d. the type of clothing people wear will affect how much sound is absorbed
e. all of the above - CORRECT ANSWER✔✔-e. all of the above
Which description below describes the Power Alley the best?
a. The line between two speakers where both are in phase.
b. An increase in the SPL level of a sound system when it is placed between two walls.
c. The direct sound coming from a guitar amplifier on the stage firing directly into the
audience.
d. The cancellations of differing frequencies based on wavelength. - CORRECT
ANSWER✔✔-a. The line between two speakers where both are in phase.
What type of noise signal, that is equal energy per octave, is most commonly used to assess
speaker performance?
a. M-Noise
b. White Noise
c. Pink Noise
d. Brown Noise - CORRECT ANSWER✔✔-c. Pink Noise
What is one of the easiest ways to reduce the effects of early reflections from side walls when
placing loudspeakers in a room?
a. place the speakers lower on the stands
b. aim the speakers straight ahead
c. reduce 2K at the console output
d. aim the speakers inward (a.k.a. Toe-In) - CORRECT ANSWER✔✔-d. aim the speakers
inward (a.k.a. Toe-In)
UPDATED Actual Exam Questions and
CORRECT Answers
1 Select the answer below that places the following items in order to complete a basic signal
flow for a sound reinforcement system.
a. Microphone, Mixer/Console, Power Amplifier, Effects Processors, Speaker
b. Microphone, Power Amplifier, Mixer/Console, Effects Processors, Speaker
c. Microphone, Mixer/Console, Effects Processors, Power Amplifier, Speaker - CORRECT
ANSWER✔✔-c. Microphone, Mixer/Console, Effects Processors, Power Amplifier, Speaker
In general when frequency ________, wave length ________.
a. is amplified, decreases
b. is amplified, increases
c. goes up, increases
d. goes up, decreases - CORRECT ANSWER✔✔-d. goes up, decreases
The inverse square law states: "For every doubling of distance from a sound source, the
intensity of a sound is reduced by four times it's strength."
True
False - CORRECT ANSWER✔✔-True
Which of the following items are not a primary requirement for a sound system?
a. Fidelity
b. Monitoring and Controllability
c. Intelligibility
d. Power
,e. Portability - CORRECT ANSWER✔✔-e. Portability
A line array is more commonly used in which type of PA system?
a. Installed P.A.
b. Touring P.A.
c. Personal P.A.
d. Band P.A. - CORRECT ANSWER✔✔-b. Touring P.A.
______ is the term used to refer to the equipment or resources whose primary function is to
provide audio coverage to the main audience area.
a. Front of House (FOH)
b. Backline
c. "Mains"
d. Monitors - CORRECT ANSWER✔✔-a. Front of House (FOH)
Which of the following attributes of a Permanently installed PA system are false?
a. Minimal setup time is needed for each show.
b. Equipment can be easily hidden through architectural structure and design.
c. The system is inflexible.
d. The system can easily be expanded. - CORRECT ANSWER✔✔-d. The system can easily
be expanded.
2 Energy absorbed by acoustic panels is released as...
a. cold
b. vibrations
c. heat
d. reflections - CORRECT ANSWER✔✔-c. heat
,A sound system is more likely to have reflection issues when...
a. the room has a lot of hard materials in it such as wood or stone.
b. the sound system is placed in an outdoor environment.
c. the room is heavily carpeted.
d. the relative humidity of the air is increased. - CORRECT ANSWER✔✔-a. the room has a
lot of hard materials in it such as wood or stone.
Diffusion - CORRECT ANSWER✔✔-when the energy of a sound is propagated in many
directions by an irregularly shaped object.
Diffraction - CORRECT ANSWER✔✔-the change of direction of travel of sound waves
caused by the interaction with an object.
Reflection - CORRECT ANSWER✔✔-the striking of a sound against a large flat object that
propagates the energy at an angle equal to the angle of incidence.
A good way to quickly assess the early reflective properties of a room is to excite the
acoustics of the room by whistling.
True
False - CORRECT ANSWER✔✔-False
It is easier to absorb low frequency sounds than it is to absorb high frequency sounds.
True
False - CORRECT ANSWER✔✔-False
What effect does the audience have on the perception of sound in a space?
a. people absorb high frequency energy
, b. the sound in a room can change based on the audience members sitting or standing
c. none of the above
d. the type of clothing people wear will affect how much sound is absorbed
e. all of the above - CORRECT ANSWER✔✔-e. all of the above
Which description below describes the Power Alley the best?
a. The line between two speakers where both are in phase.
b. An increase in the SPL level of a sound system when it is placed between two walls.
c. The direct sound coming from a guitar amplifier on the stage firing directly into the
audience.
d. The cancellations of differing frequencies based on wavelength. - CORRECT
ANSWER✔✔-a. The line between two speakers where both are in phase.
What type of noise signal, that is equal energy per octave, is most commonly used to assess
speaker performance?
a. M-Noise
b. White Noise
c. Pink Noise
d. Brown Noise - CORRECT ANSWER✔✔-c. Pink Noise
What is one of the easiest ways to reduce the effects of early reflections from side walls when
placing loudspeakers in a room?
a. place the speakers lower on the stands
b. aim the speakers straight ahead
c. reduce 2K at the console output
d. aim the speakers inward (a.k.a. Toe-In) - CORRECT ANSWER✔✔-d. aim the speakers
inward (a.k.a. Toe-In)
