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Sound Reinforcement > Final > Flashcards

Final Flashcards

1
Q

Explain balanced connections

A 
Can run long distances (500ft)
3 conductors
Low impedance 
XLR Mic
Good

Use this connection whenever possible

    ^    Tip (+)
   |_|   Ring (-)
   |  |  Ground
  ----
  |     |
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2
Q

Explain unbalanced connections

A 
Max 25 ft - interference if longer
2 conductors
High impedance
Instruments/ use direct box to fit it 
Laptops/iPhones 
1/8" TS/TSR
1/4" TS
Bad
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3
Q

What is the speed of sound?

A

1120 ft/sec

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4
Q

Frequency is measured in what?

A

Hertz/cycles/seconds

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5
Q

The further the wavelengths the ___ the pitch

A

Low

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6
Q

The closer the wavelengths the ___ the pitch

A

Higher

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7
Q

What is the frequency range the human ear can hear?

A

20 Hz to 20 K Hertz

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8
Q

Decibel is a measure of what?

A

Sound pressure/voltage

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9
Q

What is the decibel voltage level of a professional line level?

A

+48 dBv

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10
Q

What is the decimal voltage level of a consumer line level? Or instrument level

A

-10dBv

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11
Q

What is the decibel voltage level of a microphone level?

A

-55dBv

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12
Q

What do you use to increase the decibel voltage level?

A

The gain knob

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13
Q

What is the equalizer used for?

A

It adjust tone characteristics of sound to control

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14
Q

What is fundamental pitch?

A

The no you’re hitting or the loudest frequency

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15
Q

What is a harmonic frequency?

A

The aspect of sound waves that determine individual character of sound to an individual frequency

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16
Q

What is sound made up of?

A

Vibrating air

17
Q

What does proximity effect do to your voice?

A

Increases low-frequency closer you get to the mic

18
Q

When we hit solo (pre-fader listen button) on a channel what happens?

A

Takes a signal from the channel to expanded meter

19
Q

What are the two kind of microphones?

A

Dynamic mic and condenser mic

20
Q

Which type of microphone requires phantom power?

A

Condenser microphone

21
Q

What is a transducer do?

A

Panthers one type of energy to another. for instance acoustic energy to electric energy

22
Q

What is the voltage of phantom power?

A

48 V

23
Q

What does the gain knob control?

A

Input level

24
Q

What does the fader control?

A

Output level

25
Q

If channel clips what you need to do?

A

Adjust the gain down

26
Q

What is panning allow you to do?

A

Allows you to change position of signal to left or right

27
Q

Is the master Fader?

A

The house output level control

28
Q

Operating sound requires what?

A

100% of attention for 100% of the service

29
Q

Male XLR cable is for what?

A

Output

30
Q

Female XLR is for what?

A

Input

31
Q

What does phantom power go through?

A

XLR cable

32
Q

What facility on the mixer allows us to create additional mixes

A

Bus sends

33
Q

What’s the most common thing to use bus sends for?

A

The monitors

34
Q

Would you prefer a musically inclined person or a technical inclined person to operate sound?

A

Musical

35
Q

Why is the sound operator a lifelong learner?

A

Because things are constantly developing and changing

36
Q

Why do we use the term old school as a negative connotation

A

Because it means that they’ve fallen behind and at a certain point in time they stop learning

37
Q

How do you achieve satisfaction for other people?

A

Seeing them in the music team succeed

38
Q

What section of the mixer allows you to control tone?

A

The equalizer section

39
Q

What is the mentoring cycle?

A 
1-I do it
2-you watch me do it
3-I teach you to do it
4-I watch you do it
5-you do it
6-you teach others

Sound Reinforcement (1 decks)

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