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WorksheetsIntro to Audio
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
Frequency is measured in...
a)
Hertz
b)
Herkel
c)
Decibels
d)
Amps
2.
Another word for Frequency is...
a)
Tune
b)
Note
c)
Pitch
d)
All of the above
3.
This picture is an example of what kind of wave?
a)
Square
b)
Triangle
c)
Sine
d)
Sawtooth
4.
Amplitude (Gain or Volume) is measured in...
a)
Hertz
b)
Decibels
c)
Frequency
d)
Waves
5.
TRUE OR FALSE: Hertz is the frequency unit of the vibration cycle time or the number of times per second (cycle/sec). 1 Hertz means one vibration cycle per second, 50 Hertz means 50 vibration cycles per second etc.
a)
TRUE
b)
FALSE
6.
Human hearing starts at approximately...
a)
1000 Hz
b)
20 000 Hz
c)
20 Hz
d)
5000 Hz
7.
Human speech is approximately in the frequency range of...
a)
20-50 Hz
b)
8000 - 20 000 Hz
c)
5000- 1600 Hz
d)
1000 - 5000 Hz
8.
What type of microphone functions by: a very thin diaphragm of is attached to a coil of hair-thin copper wire. The coil is suspended in a magnetic field and, when sound vibrates the diaphragm, the coil moves up and down, creating a very small electrical current.
a)
Dynamic Mic
b)
Condenser Mic
9.
TRUE OR FALSE: Dynamic mics are less sensitive (to sound pressure levels and high frequencies) than condenser mics.
a)
TRUE
b)
FALSE
10.
The best microphone to use for an announcer presenting at an event would be...
a)
A condenser microphone
b)
A dynamic microphone
11.
What type of mic is this?
a)
Dynamic
b)
Shotgun
12.
What mic is best used to record the 'atmos' or surrounding sound of an environment/ location?
a)
Shotgun Mic
b)
Dynamic Mic
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