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Microphones MCQ

1. What is the main purpose of a microphone dead cat?

To protect the microphone from wind

To hide the microphone

To make the microphone look nicer

To protect the microphone from water

Answer

Correct Answer: To protect the microphone from wind

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2. What is the additional wind protection layer for microphones called?

Microphone windjammer

Microphone dead cat

Microphone windscreen

Microphone stand

Answer

Correct Answer: Microphone dead cat

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3. What does "dead" mean in reference to a microphone?

A microphone that has stopped functioning.

A microphone with no reflections or ambient noise in an acoustic space.

A microphone with a poor high-end frequency response.

A microphone with a good high-end frequency response.

Answer

Correct Answer: A microphone with a poor high-end frequency response.

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4. What does the term "dead" mean in reference to a microphone?

A "dead mic" is a mic with a poor high-end frequency response.

A "dead mic" is a mic that has stopped functioning.

Acoustically dead means there are no reflections or ambient noise in an acoustic space.

Dead mic is a term used to describe a microphone that is not working properly.

Answer

Correct Answer: A "dead mic" is a mic with a poor high-end frequency response.

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5. What causes microphone clipping?

Audio feedback

Overloading of the mic circuitry

Crackling sound

Not enough gain

Answer

Correct Answer: Overloading of the mic circuitry

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6. What is the advantage of using a clip-on mic?

It is more versatile than other types of mics.

It yields an isolated but unnatural capture of the sound source.

It is more durable than other types of mics.

It is less expensive than other types of mics.

Answer

Correct Answer: It yields an isolated but unnatural capture of the sound source.

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7. What is the goal of clip-on miking?

To attach a mic to a sound source

To attach a mic to an amplifier

To isolate a sound source

To amplify a sound source

Answer

Correct Answer: To attach a mic to a sound source

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8. How many designated slots are in an audio mixer for the recording of mic signals?

One

Three

Two

Four

Answer

Correct Answer: One

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9. Why are centre-terminated microphone capsules less prone to plosives?

The electrical lead is terminated at the centre of the diaphragm or backplate rather than at the edge.

Centre-terminated capsules have better sound quality.

Centre-terminated capsules are less expensive to produce.

All microphone capsules are centre-terminated.

Answer

Correct Answer: The electrical lead is terminated at the centre of the diaphragm or backplate rather than at the edge.

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10. What is the purpose of a cat's cradle microphone shock mount?

To isolate the mic from handling noise by suspending it in place

To hold the mic in place

To reduce handling noise

To amplify the mic

Answer

Correct Answer: To isolate the mic from handling noise by suspending it in place

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11. What does a microphone case protect?

The user of the microphone

The inner wiring and electronics of the microphone

The sound of the microphone

The Battery of the microphone

Answer

Correct Answer: The inner wiring and electronics of the microphone

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12. What is a microphone carrier signal?

A device that amplifies sound

A device that clean sound

A device that records sound

A radio signal that is modulated by a mic signal

Answer

Correct Answer: A radio signal that is modulated by a mic signal

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13. How many microphones are used in the cardioid trapezoid miking technique?

Answer

Correct Answer: 4

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14. What is the most sensitive direction in a cardioid microphone's polar pattern?

The exact opposite direction

270°

The mic's on-axis direction

90°

Answer

Correct Answer: The mic's on-axis direction

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15. The ideal cardioid microphone polar pattern has null points in the mic's ____ direction.

Rear-facing

Off-axis

On-axis

Front-facing

Answer

Correct Answer: On-axis

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16. How does a carbon microphone create a signal?

By causing a voltage across carbon granules using a current through metal plates.

By using sound waves to create a voltage across metal plates.

By using sound waves to create a current through carbon granules.

By causing a current through carbon granules using a voltage across metal plates.

Answer

Correct Answer: By causing a current through carbon granules using a voltage across metal plates.

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17. What type of energy does a microphone capsule convert sound waves into?

Sound energy

Heat energy

Light energy

Electrical energy

Answer

Correct Answer: Electrical energy

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18. What is the ability for a system to store electric charge?

Impedance

Capacitance

Current

Voltage

Answer

Correct Answer: Capacitance

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19. How does a carbon microphone work?

The granules are heated by an electrical current

The granules are charged with static electricity

The diaphragm/backplate are connected to an electrical circuit

A voltage across the plates causes a current through the granules.

Answer

Correct Answer: A voltage across the plates causes a current through the granules.

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20. What is a microphone capsule?

A machine that amplifies sound waves

A device that records sound mechanically

A machine that converts sound waves into electrical energy

A mechanism that acts as the electroacoustic transducer, changing sound waves (mechanical wave energy) into mic signals (electrical energy).

Answer

Correct Answer: A mechanism that acts as the electroacoustic transducer, changing sound waves (mechanical wave energy) into mic signals (electrical energy).

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21. What is a capacitor?

A passive electrical component that stores an electrical charge in an electric field.

A device that allows DC to pass while blocking AC.

A device that allows AC to pass while blocking DC.

An active electrical component that stores an electrical charge in an electric field.

Answer

Correct Answer: A passive electrical component that stores an electrical charge in an electric field.

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22. What is capacitance?

The ability for a system to store electric charge

The ability for a system to create an electrical current

The ability for a microphone to translate sound waves into electrical signals

The ability for a system to store kinetic energy

Answer

Correct Answer: The ability for a system to store electric charge

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23. What is the primary purpose of a microphone cable shield?

To reduce EMI into the cable

To reduce electromagnetic radiation from the cable

To increase the conductivity of the cable

To protect the signal wires inside the mic cable

Answer

Correct Answer: To reduce electromagnetic radiation from the cable

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24. What is the purpose of a microphone cable shield?

To protect the signal wires inside a mic cable along its length

To reduce electromagnetic radiation from the cable and EMI into the cable

To enclose the signal wires inside a mic cable along its length

To make the mic cable more flexible

Answer

Correct Answer: To reduce electromagnetic radiation from the cable and EMI into the cable

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25. What does the term "bright" mean in relation to microphones?

A microphone has an extended or accentuated high-end frequency response

Many condenser mics sound bright, especially when recorded digitally

A microphone has an extended or accentuated low-end frequency response

the "brightness" of a mic is subjective and refers to the overall quality of the high-frequency range

Answer

Correct Answer: A microphone has an extended or accentuated high-end frequency response

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26. What is a boundary microphone used for?

To capture direct sound waves along with the wave reflections with negligible delay.

To allow it to capture direct sound waves along with the wave reflections with significant delay.

To yield an flat frequency response by eliminating audible comb filtering.

To center a mic capsule flush to a surface.

Answer

Correct Answer: To capture direct sound waves along with the wave reflections with negligible delay.

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27. What is the most common type of mic stand in studio and live performance applications?

Floor stand

Microphone boom stand

Desk stand

Table stand

Answer

Correct Answer: Microphone boom stand

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28. What is a microphone boom pole?

A device that amplifies sound

A straight pole that houses a mic at one end.

A device that records sound

A device that filters sound

Answer

Correct Answer: A straight pole that houses a mic at one end.

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29. What is the purpose of a microphone boom pole?

To keep the mic and pole out of frame

To extend the reach of the microphone while keeping it out of the frame

To allow for dynamic mic positioning on film sets

To amplify the sound of the microphone

Answer

Correct Answer: To extend the reach of the microphone while keeping it out of the frame

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30. Who is responsible for maneuvering and holding the boom pole and mic in place in film audio?

Script supervisor

Audio engineer

Boom operator

Camera operator

Answer

Correct Answer: Boom operator

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31. What is the primary responsibility of a boom operator?

Field recorder

Camera operator

Editor

Maneuvering and holding the boom pole and mic in place

Answer

Correct Answer: Maneuvering and holding the boom pole and mic in place

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32. Which type of microphone is most commonly used as a boom microphone?

Shotgun microphones

Lavalier microphones

Condenser microphones

Dynamic microphones

Answer

Correct Answer: Shotgun microphones

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33. What is the most common type of microphone attached to a boom pole?

USB microphone

Shotgun microphone

Dynamic microphone

Capacitor microphone

Answer

Correct Answer: Shotgun microphone

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34. Which of the following is true about microphone boom arms?

They are used to extend a mic's position horizontally.

They are used to hold a mic in place.

They are used to hold a light in place.

They are used to extend a mic's position vertically.

Answer

Correct Answer: They are used to extend a mic's position horizontally.

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35. How are bodypacks often attached to the performer?

They are often attached to the head.

They are often attached to the leg.

They are often attached to the belt.

They are often attached to the arm.

Answer

Correct Answer: They are often attached to the belt.

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36. What is the Blumlein pair microphone technique?

A miking technique that uses two microphones pointed in different directions

A miking technique that uses two microphones pointed at each other

A stereo miking technique that utilizes a coincident pair of bidirectional microphones pointed 90-degrees from one another

A miking technique that only uses one microphone

Answer

Correct Answer: A stereo miking technique that utilizes a coincident pair of bidirectional microphones pointed 90-degrees from one another

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37. A microphone blimp is a _______.

Type of microphone

Filter that removes pops

Fully encompassing pop filter/windscreen

Attached to the end of a boom pole

Answer

Correct Answer: Fully encompassing pop filter/windscreen

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38. What is the purpose of a microphone blimp?

To make the mic wireless

To protect a mic from wind noise

To allow the mic to be handheld

To make the mic sound better

Answer

Correct Answer: To protect a mic from wind noise

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39. Microphone bleed is any sound that ____

Is intended in a recording or reinforcement and is intended to be picked up in the mic in question.

Is intended in a recording or reinforcement but not intended to be picked up in the mic in question.

Is not intended in a recording or reinforcement && is intended to be picked up in the mic in question.

Answer

Correct Answer: Is intended in a recording or reinforcement but not intended to be picked up in the mic in question.

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40. Microphone bleed is any sound intended in a recording or reinforcement _____

But not intended to be picked up in the mic in question

That is only heard through headphones

That is not essential to the recording

And is only picked up by nearby mics

Answer

Correct Answer: But not intended to be picked up in the mic in question

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41. What is the primary benefit of a higher bit depth?

More bass

Higher resolution, signal-to-noise ratio, and dynamic range in PCM digital audio.

Clearer sound

Louder volume

Answer

Correct Answer: Higher resolution, signal-to-noise ratio, and dynamic range in PCM digital audio.

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42. What is digital audio's bit depth?

The number of audio samples in each bit

The number of bits in each audio sample

The number of bits in each audio file

The number of bits in each audio recording

Answer

Correct Answer: The number of bits in each audio sample

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43. What is the term "binaural" translated to?

"Having or relating to three ears"

"Having or relating to two ears"

"Having or relating to four ears"

"Having or relating to one ear"

Answer

Correct Answer: "Having or relating to two ears"

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44. What is the definition of binaural?

"Having or relating to two eyes."

"Having or relating to two arms."

"Having or relating to two ears."

"Having or relating to two legs."

Answer

Correct Answer: "Having or relating to two ears."

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45. Which microphone polar pattern is the truest form of pressure-gradient mics?

Bidirectional

Cardioid

Omnidirectional

Hypercardioid

Answer

Correct Answer: Bidirectional

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46. What is Bias voltage?

Bias voltage is the same as phantom power.

A low DC voltage that charges the capsules and powers the circuitry of some condenser mics.

A high DC voltage that charges the capsules and powers the circuitry of some condenser mics.

Bias voltage is not used to power microphones.

Answer

Correct Answer: A low DC voltage that charges the capsules and powers the circuitry of some condenser mics.

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47. What does the ball boundary miking technique utilize?

Microphones

An artificial head or a sphere

Speakers

A sound system

Answer

Correct Answer: An artificial head or a sphere

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48. What is balanced audio?

A method of connecting audio equipment with an unbalanced line

A method of connecting audio equipment with a 3-pin XLR

A method of connecting audio equipment with a balanced mic cable

A clean method of connecting audio equipment with a balanced line

Answer

Correct Answer: A clean method of connecting audio equipment with a balanced line

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49. What is the purpose of balanced audio?

To amplify audio signals.

To provide a clear method of connecting audio equipment.

To reduce noise in audio signals.

To allow mic signals to travel through long lengths of cable effectively.

Answer

Correct Answer: To allow mic signals to travel through long lengths of cable effectively.

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50. What is the purpose of using baffles in a baffled miking technique?

To reduce background noise

To increase the volume of the sound

To create separation between mics

To reduce echoes

Answer

Correct Answer: To create separation between mics

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51. What is the purpose of a baffle on a microphone?

It is necessary for electromagnetic induction and proper dynamic ribbon mic function.

It is the physical housing around a ribbon mic's element.

It holds the ribbon diaphragm in position and protects the sides of the ribbon.

Answer

Correct Answer: It holds the ribbon diaphragm in position and protects the sides of the ribbon.

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52. What is a microphone baffle?

A baffle is the physical housing around a ribbon mic's element.

A baffle is a device used to reflect sound waves.

A baffle is a sound-absorbing material used to reduce reverberation in a room.

A baffle is a device used to reduce the intensity of sound waves.

Answer

Correct Answer: A baffle is the physical housing around a ribbon mic's element.

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53. What is the other plate of a condenser microphone's parallel-plate capsule?

The mic signal

The backplate

The diaphragm

The sound pressure

Answer

Correct Answer: The diaphragm

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54. What is a back electret condenser microphone?

A device that helps to amplify sound

A condenser mic with a permanently charged capsule due to electret material being fixed to its stationary backplate.

A microphone that uses electricity to increase the audio signal.

A microphone that does not require a power source

Answer

Correct Answer: A condenser mic with a permanently charged capsule due to electret material being fixed to its stationary backplate.

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55. What is B-format in ambisonics?

The mixing of different tracks to create one B-format signal

A production technique in ambisonics

The proper positioning of the individual raw (A-Format) ambisonic mic signals.

A type of microphone used in ambisonics

Answer

Correct Answer: The proper positioning of the individual raw (A-Format) ambisonic mic signals.

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56. What is the axis angle?

The angle between two microphone axes in a two-mic stereo miking technique

The angle of sound waves in relation to the microphone

The angle of the microphone in relation to the sound source

The angle of the sound source in relation to the microphone

Answer

Correct Answer: The angle between two microphone axes in a two-mic stereo miking technique

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57. What is the angle between two microphone axes in a two-mic stereo miking technique?

45 degrees

Axis angle

90 degrees

180 degrees

Answer

Correct Answer: Axis angle

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58. What is the imaginary line perpendicular to the mic diaphragm pointing away from the center of the diaphragm's front side called?

Directional mic

Mic diaphragm

Microphone axis

Sound wave

Answer

Correct Answer: Microphone axis

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59. On which side of the mic should sound waves be coming from for the cleanest results?

The top

The back side

The front side

The bottom

Answer

Correct Answer: The front side

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60. On what side of the microphone should the sound source be for the cleanest results?

On the same side as the diaphragm's front side

On the opposite side of the diaphragm's front side

In front of the diaphragm

Behind the diaphragm

Answer

Correct Answer: On the same side as the diaphragm's front side

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61. What is the most common type of audio mixer?

Microphones

Mixing consoles and DAWs

Speakers

Headphones

Answer

Correct Answer: Mixing consoles and DAWs

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62. What is an audio interface?

A device that creates sound

A device that records sound

A device that allows communication between computers and mics, instruments, loudspeakers and monitors.

A device that amplified sound

Answer

Correct Answer: A device that allows communication between computers and mics, instruments, loudspeakers and monitors.

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63. How many types of inputs does an audio interface generally have?

Answer

Correct Answer: 3

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64. When was the Audio Engineering Society founded?

1950

1949

1948

1951

Answer

Correct Answer: 1948

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65. The Audio Engineering Society (AES) is headquartered in which city?

Los Angeles

New York City

San Francisco

Chicago

Answer

Correct Answer: New York City

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66. What is the definition of audio?

The study of hearing

Sound that has been recorded, transmitted, or reproduced.

The study of light

The study of sound

Answer

Correct Answer: Sound that has been recorded, transmitted, or reproduced.

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67. What does the term "audio" refer to?

The ability to hear

The process of recording, transmitting, or reproducing sound

Sound, especially sound that has been recorded, transmitted, or reproduced.

The study of sound

Answer

Correct Answer: Sound, especially sound that has been recorded, transmitted, or reproduced.

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68. What does attenuation of electrical energy mean?

The increase of signal strength in an electrical circuit

The gradual decrease in a sound wave‘s power

The amplification of sound energy

The reduction of signal strength in an electrical circuit

Answer

Correct Answer: The reduction of signal strength in an electrical circuit

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69. Attenuation of electrical energy is the reduction of signal strength in an electrical circuit. True or false?

True

False

Answer

Correct Answer: True

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70. Why is an asterisk array used?

To test the sound of each mic before selecting their favourite

It's best to set the mics to have the same signal levels

So the engineer, producer, and/or musician can test the sound of each mic

To have the mics pointing toward a single point

Answer

Correct Answer: To test the sound of each mic before selecting their favourite

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71. What is the purpose of the artificial head miking technique?

To create an artificial stereo response.

To provide a more natural sound for live performances.

To replicate a natural-sounding stereo response.

To improve the sound quality of a recording.

Answer

Correct Answer: To replicate a natural-sounding stereo response.

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72. What is the purpose of an antenna in a wireless microphone system?

To receive the mic signal

To provide power to the mic signal

To serve as a critical interface between the mic signal and the radio wave propagation of that mic signal

To amplify the mic signal

Answer

Correct Answer: To serve as a critical interface between the mic signal and the radio wave propagation of that mic signal

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73. Why are antennae important to microphones?

Antennae are used to receive the mic signal wirelessly.

Antennae help to propagate the mic signal through space.

Antennae are used to transmit the mic signal wirelessly.

Antennae are essential components of wireless microphone systems in both transmitters and receivers.

Answer

Correct Answer: Antennae are essential components of wireless microphone systems in both transmitters and receivers.

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74. What is an angle of maximum rejection in a microphone?

It is an angle from its axis in which it is the least directional.

It is an angle from its axis in which it is the least sensitive to sound.

It is an angle from its axis in which it is the most sensitive to sound.

It is an angle from its axis in which it is the most directional.

Answer

Correct Answer: It is an angle from its axis in which it is the least sensitive to sound.

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75. What is an anechoic chamber?

A room where an echo can be heard.

A room with surfaces that completely absorb sound and electromagnetic waves.

A room with surfaces that absorb SOME sound and electromagnetic waves.

A room with surfaces that reflect sound and electromagnetic waves.

Answer

Correct Answer: A room with surfaces that completely absorb sound and electromagnetic waves.

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76. ADCs come as standalone units, in audio interfaces, and even inside of which type of mics?

Electrical mics

Analog mics

USB and digital mics

Digital mics

Answer

Correct Answer: USB and digital mics

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77. What does an ADC do?

Converts analog signals to digital

Converts digital signals to analog

Boosts audio signals

Converts AC to DC power

Answer

Correct Answer: Converts analog signals to digital

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78. What is analog distortion?

A type of microphone

The change in a mic's signal due to the overdriving of the electronic circuits, transistors, and tubes.

A sound editing software

A sound effect

Answer

Correct Answer: The change in a mic's signal due to the overdriving of the electronic circuits, transistors, and tubes.

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79. What is the change in a mic's signal due to the overdriving of the electronic circuits, transistors, and tubes?

Analog distortion

Noise distortion

Digital distortion

Intermodulation distortion

Answer

Correct Answer: Analog distortion

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80. Microphones convert sound energy to electronic analog mic signals in order to ______

Represent sound

Amplify sound

Create sound

Store sound

Answer

Correct Answer: Represent sound

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81. How does a microphone convert sound energy to an electronic signal?

By electrical impulses

By sound waves

By binary digital data

By analog AC voltages

Answer

Correct Answer: By analog AC voltages

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82. What is the amplitude of a sound wave often measured in?

Millivolts

DB SPL or Pascals

DBV

DBu

Answer

Correct Answer: DB SPL or Pascals

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83. What is electrical amplification?

The process of increasing the power of an electrical signal with a microphone.

The process of turning sound waves into electrical signals.

The process of increasing the power of an electrical signal with an amplifier.

The process of turning electrical signals into sound waves.

Answer

Correct Answer: The process of increasing the power of an electrical signal with an amplifier.

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84. What is the SI unit of electrical current?

Watt

Ampere

Voltage

Resistance

Answer

Correct Answer: Ampere

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85. One ampere is equal to a flow of _____ per second.

One second

One volt

One watt

One coulomb

Answer

Correct Answer: One coulomb

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86. How many capsules are in an Ambisonic microphone?

4-8

Answer

Correct Answer: 4-8

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87. What is an ambisonic array?

An array of 4 or more microphones pointed in different directions

3-D sonic image with compatible playback formats

A single microphone

An ambisonic array includes 4 or more coincident directional mic capsules pointed optimally to capture a 3-D space.

Answer

Correct Answer: An ambisonic array includes 4 or more coincident directional mic capsules pointed optimally to capture a 3-D space.

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88. How many directional mic capsules are needed for an ambisonic array?

Answer

Correct Answer: 4

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89. Ambient microphones are used to capture which of the following

Dialogues

Ambient sounds

Hissing noise

Subwoofer sounds

Answer

Correct Answer: Ambient sounds

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90. What is an ambient microphone purposed with?

Capturing ambient sounds

Creating ambient sounds

Capturing live sound

Capturing mid-side sound

Answer

Correct Answer: Capturing ambient sounds

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91. What is alternating current?

A current that only flows in one direction

An electrical current that periodically reverses direction.

An electrical current that is not affected by magnetism.

A current that does not reverse direction

Answer

Correct Answer: An electrical current that periodically reverses direction.

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92. What is the main difference between AC and DC?

AC periodically reverses direction, while DC does not.

AC is used in audio equipment while DC is not.

AC has a higher voltage than DC.

AC is better for the environment than DC.

Answer

Correct Answer: AC periodically reverses direction, while DC does not.

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93. What is an active microphone?

A microphone that requires external power to function

A microphone that amplifies sound

A microphone that is powered by a battery

A microphone that does not require external power to function

Answer

Correct Answer: A microphone that requires external power to function

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94. What is the study of acoustics mainly concerned with?

Electrical signals

Mechanical waves in gases, liquids, and solids

Sound recording

Sound waves in air

Answer

Correct Answer: Mechanical waves in gases, liquids, and solids

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95. What is an acoustic labyrinth?

The study of sound and its transmission

A way to increase the volume of a sound

A method of recording sound onto a medium

A series of ports and pathways that act to delay sound from reaching the rear of the mic diaphragm.

Answer

Correct Answer: A series of ports and pathways that act to delay sound from reaching the rear of the mic diaphragm.

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96. What is a microphone's acceptance angle also known as?

Coverage Angle or Pickup Angle

Sound Pattern

On-Axis Response

Rejection Angle

Answer

Correct Answer: Coverage Angle or Pickup Angle

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97. What is acoustic absorption?

The process of a surface absorbing some or all of the energy of a colliding sound wave.

The process of a sound wave hitting a surface.

The process of a surface reflecting some or all of the energy of a colliding sound wave.

The process of a surface reducing reverberation.

Answer

Correct Answer: The process of a surface absorbing some or all of the energy of a colliding sound wave.

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98. What is the process of a surface absorbing some or all of the energy of a colliding sound wave called?

Acoustic reflection

Acoustic absorption

Acoustic transmission

Acoustic reverberation

Answer

Correct Answer: Acoustic absorption

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99. At what distance are the two microphones in the AB miking technique spaced apart?

10 to 12 inches

2 to 4 inches

6 to 8 inches

12 to 48 inches

Answer

Correct Answer: 12 to 48 inches

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100. What is A-Format in Ambisonics?

The rightmost recording channel in an ambisonic system

A standardized header format used to embed metadata in WAV files

The raw recording where each individual mic capsule has its own output and recording channel

A method of recording that only captures sounds coming from the front direction

Answer

Correct Answer: The raw recording where each individual mic capsule has its own output and recording channel

Note: This Question is unanswered, help us to find answer for this one

Acoustical Engineering MCQs | Topic-wise

MCQ on Acoustic modelling software	MCQ on Acoustical Modeling
MCQ on Acoustical and Audio Measurements	MCQ on Acoustics Design Practicum
MCQ on Architectural Acoustics	MCQ on Audio Visual System Design
MCQ on Basic Acoustical Engineering	MCQ on Basic Audiology
MCQ on Ear Anatomy	MCQ on Electroacoustics
MCQ on Environmental Acoustics	MCQ on Measurement of Noise
MCQ on Microphones	MCQ on Musical Acoustics
MCQ on Noise & Vibration Control	MCQ on Noise Control
MCQ on Psychoacoustics	MCQ on Sound Insulation
General Acoustical Engineering MCQs