Digital Audio Sound Principles
Authored by Michael McDowell
Computers
9th - 12th Grade
Used 32+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What kind of waves are sound waves?
Electricity
Pressure
Light
Radio
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit that measures sound frequency in cycles per second?
MIDI
Dynamics
Hertz
Decibels
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the standard range of human hearing?
2 Hz -20 Hz
2 Hz -20 kHz
20 Hz -20 kHz
20 Hz - 2 kHz
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are sounds that are above the human hearing range called?
Infrasonic
Subsonic
Extrasonic
Ultrasonic
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are sounds that are below the human hearing range called?
Subsonic
Infrasonic
Suprasonic
Supersonic
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit that measures the loudness of a sound (not the intensity)?
Bels
Hertz
Bytes
Gain
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many decibels does it take for something to seem TWICE as loud?
3
6
10
2
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