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AudioWork

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Wireless microphones ____.
A.
require an external power supply
B.
always produce superior sound quality compared to wired mics
C.
operate using radio frequencies
D.
Both A and C.
 

 2. 

The built-in microphones on low-end consumer camcorders are not good mics to use for recording quality sound because they ____.
A.
pick up the sound of the zoom motor
B.
pick up the operator’s breathing sounds
C.
make the talent sound like they are speaking into a bucket
D.
All of the above.
 

 3. 

The sound level for audio recording should hover around ____.
A.
–20 dB
B.
0 dB
C.
–3 dB to +3 dB
D.
+20 dB
 

 4. 

Audio engineers need to wear ____ style headphones.
A.
full muff
B.
ear bud
C.
collapsible
D.
lightweight foam, over-the-head
 

 5. 

A singer in a rock band is likely to produce feedback if the singer ____.
A.
inhales through an unclean microphone
B.
moves too close to the drummer’s cymbals
C.
moves too close to a speaker monitoring singer’s mic
D.
sings or screams too loudly into the mic
 

 6. 

Anyone may freely use material that is ____ without obtaining copyright permission.
A.
in electronic format
B.
trademarked
C.
on the Internet
D.
in the public domain
 

 7. 

Which of the following is the easiest type of music to obtain video rights to?
A.
Hit popular rock music.
B.
Music you make yourself.
C.
Unrecorded sheet music.
D.
None of the above.
 

 8. 

The hand held microphones you use to record interviews for your news stories are
A.
omni-directional
C.
cardioid
B.
shotgun mics
D.
low impedance
 

 9. 

The clip-on mics we use for the AHS Fridays hosts are powered by
A.
batteries
C.
solar energy cells
B.
nothing-they don't need it because they are dynamic
D.
phantom power from the mixer through the XLR cable
 

 10. 

A shotgun mic has what type of pick up pattern?   
A.
super cardioid or hypercardioid
C.
broadband unidirectional
B.
super omnidirectional
D.
bi-directional
 

 11. 

When monitoring the audio for AHS Fridays (or any audio signal) you should watch the VU meters on the mixer and make sure the level is
A.
very good
C.
around +3 VU to get quality sound
B.
right around 0 VU, bouncing slightly above or below occasionally
D.
loud enough in the headphones or speakers so it sounds good
 

 12. 

On the audio production cart, to increase the volume of the sound in the headphones, you should
A.
turn up the master volume slider (gray one) on the mixer board
C.
turn up the volume of the amp that is sitting next to the speakers
B.
turn up the "headphone" control pot on the mixer
D.
turn up the "CTRL" level control pot (blue one) on the mixer
 

 13. 

When you have speakers near an omnidirectional microphone, you will get feedback. Even with a uni-directional mic near speakers (on our audio production cart) you can still get feedback so you should use
A.
a cardioid mic
C.
a shotgun mic
B.
a hyperunidirectinal mic
D.
headphones instead of speakers
 

 14. 

The iPod you record your PSA on does so by recording a “voice memo.”  On the main menu, it you don’t see the voice memo option you must
A.
push the red record button on the lower right of the iPod control panel
C.
scroll to the music menu and play back any kind of music that’s on the iPod
B.
scroll to the secondary song menu and choose “record song”
D.
push the “record memos” on the iPod unit itself
 

 15. 

The trim or gain pot on an audio mixer is essentially a(n)
A.
an editing tool for "trimming" the audio clip
C.
input device for capturing more audio
B.
volume adjustment for a mic pre-amplifier
D.
channel volume slider in a circular configuration
 

 16. 

Popular songs or other music with lyrics (which is copyrighted) is not acceptable for use by us because   
A.
it belongs to someone else and using it without their permission is stealing
C.
popular songs make people think about the song instead of the message
B.
the lyrics will distract from the spoken message you are trying to get across
D.
all of the above
 

 17. 

If you plug a speaker level output (amplified) into a microphone input on a mixer, what will       happen?   
A.
you will fry the preamplifier on the mixer
C.
the sound will be loud but will still work
B.
you won't hear anything because the two are incompatible
D.
the speaker will act like a microphone and pick up sounds
 

 18. 

The microphones built into camcorders are   
A.
unidirectional, dynamic, low impedance
C.
cardioid, dynamic, high impedance
B.
omnidirectional, condenser, high impedance
D.
omnidirectional, dynamic, low impedance
 

 19. 

Another (more common) name for a unidirectional microphone is a
A.
lavalier
C.
shotgun
B.
clip-on
D.
cardioid
 

 20. 

On a mixer without a stereo channel, you could playback a CD in stereo by plugging the left (white)       output wire from the CD player into channel 1, the right (red) into channel 2 and then   
A.
turn the pan pot of channel 1 to the right and channel 2 to the left
C.
turn the pan pot for channel 1 to the left and channel 2 to the right
B.
put both pan pots to the middle
D.
adjust the volume sliders so sound comes out both speakers
 

 21. 

The equalizer pots (or even a graphic equalizer) on a mixer work like the tone controls on your stereo at home or in your car. If you wanted to hear lots of bass and treble but not so much of a person's voice in the music, you would
A.
turn up the low and high pots and turn down the midrange pots
C.
turn both effects pots to the right
B.
crank the bass to the left and treble to the right
D.
crank the midrange pots with the pan pots in the center position
 

 22. 

Omnidirectional mics pick up sound   
A.
far away in a super-omni pick up pattern
C.
from only one direction in front of the mic
B.
from either or both sides of the mic
D.
equally from all directions
 

 23. 

How much narration should there be in your PSA?
A.
29 seconds
C.
about 20 seconds
B.
28.5 seconds
D.
about 30 words
 

 24. 

A good rule of thumb for timing your narration for your PSA is   
A.
about 30 seconds of words
C.
5 words per second
B.
about 30 words
D.
2 words per second
 

 25. 

The type of PSA we do where there is music followed by narration and then more music is called a
A.
doughnut
C.
music spot
B.
music/narration PSA
D.
music commercial
 

 26. 

The lavalier mics we use for the AHS Fridays news show must be omnidirectional because
A.
we don't want to get feedback from the speakers
C.
only omni directional mics come with phantom power
B.
they need to pick up background sound from all around the room
D.
if the clip comes off and the mic turns upside down, we will still get good sound
 

True/False
Indicate whether the statement is true or false.
 

 1. 

The sound produced by wired mics is inferior to wireless mics.
 

 2. 

The human speaking voice is usually picked up best by a microphone designed for mid-range sound frequencies.
 

 3. 

A microphone’s generating element vibrates within a magnetic field.
 

 4. 

A spit guard is fundamentally a wire loop with a nylon mesh stretched over it.
 

 5. 

A parabolic reflector mic is commonly used by on-camera reporters delivering news from a location.
 

 6. 

To test if a mic is working properly, blow into the mic.
 

 7. 

A mic should never be swung by its cord.
 

 8. 

Mic outputs should be plugged into line inputs.
 

 9. 

Power outputs should be plugged into mic inputs.
 

 10. 

Room tone is the sound of silence in a location.
 

 11. 

Environmental sounds are sounds that normally occur in a location.
 

 12. 

Copyright infringement is a federal crime.
 

 13. 

If you are unable to find the copyright owner of a piece of copyrighted material to ask for permission to use the material, it is acceptable to use the material without permission.
 

 14. 

The five basic guidelines for using background music in a program should be followed unless there is a legitimate reason not to follow them.
 

 15. 

If you understand one channel on an audio mixer, you can usually figure out all of the others (even if there are 24) because each of the channels is essentially the same.
 

 16. 

The pop filter used on microphones is sometimes referred to as a spit guard.
 

 17. 

A uni-directional microphone pick up pattern is usually referred to as a cardioid pattern because it is heart shaped.
 

 18. 

Power level (or speaker level) describes the sound level of the electronic circuit between the microphone and the mixer pre-amlifier.
 

 19. 

To get music for your PSA, you must use the production music CDs located on audio production cart shelf and record the music along with your voice to the iPod.
 

 20. 

To turn up the volume on the speakers on the audio production cart, you should turn the two volume pots on the Realistic amp to the right.
 

 21. 

If the music and voice for your PSA sound about right on the speakers, it is fine and there is no need to check the VU meters on the mixer.
 

Matching
 
 
Match the mic to its pick-up pattern. Answer may be used more than once.
A.
Omni-directional
B.
Uni-directional
 

 1. 

Shotgun mic
 

 2. 

Hypercardioid mic
 

 3. 

Boundary mic
 

 4. 

Directional mic
 

 5. 

Parabolic reflector mic
 

 6. 

Cardioid mic
 

 7. 

On-camera mic
 

 8. 

Clip-on mic for hosts
 

 9. 

Hand-held mic for reporters
 

 10. 

Raido announcer (DJ) mic on audio cart
 
 
Match the characteristics to the impedance. Answers may be used more than once.
A.
LoZ  (low impedance)
B.
HiZ  (high impedance)
 

 11. 

High cost
 

 12. 

High quality sound
 

 13. 

Poor quality sound
 

 14. 

Short mic cables required
 

 15. 

Long mic cables possible
 

 16. 

Low cost
 



 
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