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Music Prod. > Microphone Basics > Flashcards

Microphone Basics Flashcards

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1
Q

Microphone

A

A transducer that converts sound waves into an electrical signal

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2
Q

Transducer

A

Device that changes one form of energy into another

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3
Q

What are the three type of mic. designs?

A

Dynamic; Condenser; Ribbon

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4
Q

What is the simplest and most common type of mic?

A

Dynamic Microphone

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5
Q

What mic works the same way as our ears work?

A

Dynamic Microphone

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6
Q

Electromagnetic Induction

A

Whenever an electrically conductive metal cuts across the lines of a magnetic field, a current generates

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7
Q

Examples of Dynamic Mics

A
  • Shure SM57
  • Shure SM58
  • Shure SM7B
  • Sennheiser MD421
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8
Q

What microphone uses a diaphragm of extremely thin aluminum ribbon?

A

Ribbon Microphone

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9
Q

What Microphone is delicate?

A

Ribbon Microphone

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10
Q

What Mic is known for it’s warm, rich tones?

A

Ribbon Microphone

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11
Q

Examples of Ribbon Microphones

A
  • ROYER R-121
  • Royer R-10
  • Coles 4038
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12
Q

What mic has a front diaphragm and a fixed back plate?

A

Condenser Microphone

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13
Q

What is Q?

A

A constant charge

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14
Q

How is Q constant?

A

Because of the power supply charge

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15
Q

What is C?

A

Capacitance

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16
Q

What is V?

A

Voltage

17
Q

How does V change in a condenser mic?

A

Inversely proportional

18
Q

How does C Change in a condenser mic?

A

Proportionally

19
Q

Examples of Condenser Microphone

A

(LARGE DIAPHRAGM)

  • Neumann U87
  • AKG 414

(SMALL DIAPHRAGM)

  • Neumann KM 184
  • Telefunken ELA M260
20
Q

Phantom Power

A

Supplies a positive DC supply of voltage of +48V to both audio conductors to the condenser capsule, allowing it to work as a capacitor

21
Q

What mics don’t require phantom power?

A

Dynamic and Ribbon microphones

22
Q

Omnidirectional Microphone

A

Responsive to sounds emanating from all directions

23
Q

Directional Mic

A

Responsive to relative differences in pressure between the front, back, and sides of the diaphragm

24
Q

Proximity Effect

A

A low-frequency phenomenon that causes an increase in bass response

25
Q

What mic does proximity effect tend to occur in most?

A

Directional Mics

26
Q

What can compensate for the proximity effect?

A

A low-frequency filter/an external filter or EQ

27
Q

PAD

A

“Passive Attenuation Device”, designed to attenuate/reduce an audio signal

28
Q

What is the reduction in pads normally expressed as?

A

Negative decibels

Music Prod. (6 decks)

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