AET 2560 Midterm Exam Questions with Correct Answers
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Course
AET 2560
Institution
AET 2560
inverse square law - Answer-for every doubling of a distance from a sound source, the intensity of the sound is reduced by 4x its strength
order of basic signal flow - Answer-mic, mixer, effects processors, power amp, speakers
What is one of the easiest ways to reduce the effects of early reflect...
AET 2560 Midterm Exam
Questions with Correct
Answers
inverse square law - Answer-for every doubling of a distance from a sound source, the
intensity of the sound is reduced by 4x its strength
order of basic signal flow - Answer-mic, mixer, effects processors, power amp, speakers
What is one of the easiest ways to reduce the effects of early reflections from side walls
when placing loudspeakers in a room? - Answer-aim the speakers inward
Diffusion - Answer-when the energy of a sound is propagated in many directions by an
irregularly shaped object.
Diffraction - Answer-the change of direction of travel of sound waves caused by the
interaction with an object.
Reflection - Answer-the striking of a sound against a large flat object that propagates
the energy at an angle equal to the angle of incidence.
early reflections - Answer-sounds that arrive within the first 80ms of the direct sound
and add to the perceived loudness of the sound.
What effect does the audience have on the perception of sound in a space? - Answer-
people absorb high frequency energy
Why is a condenser microphone so much more sensitive than a dynamic microphone? -
Answer-d. A condenser mic's diaphragm has very low mass, therefore it can move
much faster than a dynamic mic's diaphragm which has much grater mass.
Which microphone type requires a small built-in amplifier to amplify the voltage
fluctuations from a sound source before it is sent to the mixer? - Answer-Condenser
______ is used to prevent dropouts caused by radio cancelations at the antennas when
using wireless microphones. Additionally, it is best practice to separate the antenna by a
minimum of ______ wavelength. - Answer-multiple antennae, one half
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