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Test your basic knowledge |
Microphones Theory
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Stereo coincident pairing where the middle mic (usually a cardiod) is facing source and a bidirectional side mic is placed at 90
Microphone Storage
Rear Sensitivity (Relative to Front)
Mid/Side
Spaced Pairs
2. Device used to measure sound loudness; Often used to measure and balance the loudness of each speaker in a home - studio - or live venue or theater system.
SPL Meter
Roll-Off
Microphone Care...
Reisz Marble Mic
3. Derived from two words; 'electr' from electrostatic and 'et' from magnet.
Stereosonic
Powering Condenser Microphones
Microphone (Definition)
Electret (Word Etymology)
4. The graphic representation plot of the sensitivity of a microphone from any direction over a 360
E.C. Wente
LRFB
Piezoelectric Effect
Polar Pattern
5. Small microphone attached to the bridge of a string bass or to an acoustic guitar to amplify its sound.
Faulkner
Kick Tunnel
Pressure Capsules
Pickup
6. The attachment that holds a microphone in place on the mic stand; Comes in various shapes - sizes - and applications.
Clip
Neumann CMV3
Bandpass
Dynamic Range
7. The property of certain crystals that causes them to produce voltage when a mechanical pressure such as sound vibrations is applied to them; Originates from Greek word 'piezein' (to compress).
Altec/Western Electric 639
Piezoelectric Effect
Baffle
Transducer Type
8. Modeled to mimic a human head for extremely good spatialization; Shaped like a human head.
Reisz Marble Mic
Binaural Mic
LRFB
Highpass Filter
9. French broadcasting stereo mic technique; An X-Y type with the mics 17cm apart and at a 110
Over/Over
ORTF
Electro Voice RE20
Boom Placement Rule
10. More compelling sound - giving both depth and perspective.
AKG C1000S
Mono
Stereo
Shure SM81
11. Dynamic; Cardioid; End Address; Manufactured by Shure; Considered the industry standard for live vocal performance microphones; One of the best- selling microphones in the world.
Shure SM58
Theatrophone
AKG C12
Harvey Fletcher
12. Basket/grille made out of a specific type of copper wire to block protect the mic from physical damage and to protect the mic from stray RFI
Protractor & Ruler
Over/Under
Guitar Amp Mic Placement
Faraday Cage
13. Cable wrapping method that keeps every coil on top of the next; May cause interference and tiny curls or tangles.
Over/Over
Body
Legs
Ribbon Mic Characteristics
14. Most sensitive to sounds arriving from the front while rejecting sounds from rear; Shaped like a heart; Rejects most signals from 180
Packing
Real Time Analyzer (RTA)
Ribbon Mic Characteristics
Cardioid
15. Quartz; Barium Titaniate - Tourmaline; Rochelle Salt - and even cane sugar.
C-Weighting
Cardioid (Electrical Polar Pattern)
Examples of Piezoelectric Material
Omnidirectional (Electrical Polar Pattern)
16. The arm of the mic stand; Includes the angle adjust & telescopic adjust.
Boom
Angle of Max Rejection
Over/Over
Pop Filter
17. Condenser; Cardioid; Side Address; 48V Required; Large Diaphragm; Manufactured by Rode; Widely recognised as the world's quietest studio microphone; Ideal for vocals - voiceover - and acoustic instruments.
Packing
Rode NT1A
Motor
Tube Condenser Microphone
18. Pair of cardioids facing to the front and rear - plus a sideways - facing figure 8; Mid- sides pair plus another rear- facing cardioid which is combined with the same Figure 8 mic for the surrounds.
Condenser Diaphragm
MSM
Sealed Ni-Cad Battery
Carbon Microphone Uses
19. Moving a conductor (a coil of wire) through a magnetic field will cause a voltage to be induced across the conductor.
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20. Characterized by a vacuum tube transducer; Heat rises so many are hung upside down to prevent heat from reaching the microphone head; Avoid jostling or shaking these fragile mics.
Tube Condenser Microphone
RFI
Bandpass
Shiny Box 46MXL
21. Modern drummer who has created a large kit and innovated several ways of capturing the sound from his massive kit.
Model 3B Carbon Microphone
AudioTechnica AT2020
Terry Bozzio
Doubling Ribbon Length
22. Shows the level of self- noise from a microphone's internal electronics; Measured in dB (decibels).
Noise
Machine Head
Mono
Roll-Off
23. Fixed plate that is charged with polarized voltage found in condenser mics; Usually constructed of milled brass; Has a number of holes drilled in it to provide damping for diaphragm.
Sealed Ni-Cad Battery
A-Weighting
Backplate
Boom
24. Angle of maximum signal rejection in a microphone polar pattern.
Dynamic Mic Characteristics
Null Angle
C-Weighting
Body
25. Dynamic; Cardioid; End Address; Manufactured by Sennheiser; Very small and compact; Especially suitable for use with drums and brass instruments; Includes a clip to mount directly on drums.
Over/Under
Shure KSM Series
Sennheiser e604
M/S Stereo
26. Dynamic; Cardioid; End Address; Manufactured by Electro Voice; Large Diaphragm; Humbucking Coil; Bass Roll Off Switch; Minimizes proximity effect; Ideal for broadcasting and sound engineering techniques.
Bandpass
Model 3B Carbon Microphone
Distance Factor
Electro Voice RE20
27. The head or top of the guitar where the tuning pegs are located.
SPL Meter
Dynamic Microphone
Microphone Storage
Headstock
28. Flat plate that controls or directs the flow of sound energy in a crystal/ceramic mic.
5 Common Microphone Transducers
X/Y
Baffle
Alan Blumlein
29. When using two microphones reverse the polarity of the bottom mic.
Near Coincident Pair
Stereo
Clement Ader
Snare Drum Mic Placement
30. Omnidirectional: 0 - Cardioid: 8 - Supercardioid: 12 dB - Hypercardioid: 6 dB - Bidirectional: 0
Pascals (Pa)
Distance Factor (DSF)
Rear Sensitivity (Relative to Front)
AKG D12
31. Shows the total range of the mic's internal pre- amp; Measured in dB (decibels).
Dynamic Range
Harvey Fletcher
Distance Factor (DSF)
Dynamic Microphone
32. Tube with ports down the side with the mic capsule at the bottom; Sounds entering the tube from on - axis interact inside the tube with the sounds coming in through the side ports - an interfere with each other in such a way as to partially cancel of
Interference Tube...
Ribbon Mic Characteristics
Measurement Mics
SPL Meter
33. Small coil of wire wrapped around the plastic or aluminum diaphragm of a dynamic microphone.
Proximity Effect
Wind Screens
Voice Coil
Examples of Piezoelectric Material
34. Voltage applied to piezoelectric material will cause it to deform or change shape; NO PHANTOM POWER!
Capacitance
Omnidirectional
Roll-Off
Crystal Mic Damage
35. Condenser; Cardioid/Hypercardioid; End Address; 48V Required; Manufactured by AKG; Can be powered by internal 9 V battery for field recording; Improves clarity of speech with the PB 1000 Presence Boost Adapter.
Faraday Cage
Parabolic Systems
AKG C1000S
Casing
36. Pair of omni mic elements mounted on opposite sides of a spherical shaped capsule.
Angle of Max Rejection
AKG DYN60
Spherical Mic
Legs
37. One of the world's greatest condenser microphones prized for the CK12 capsule.
Machine Head
Rode NT1A
AKG C12
AudioTechnica AT4040
38. DC Voltage Req'd for capsule polarizing voltage and internal mic preamps; 3 sources: External Power Supply Unit (PSU); Phantom Power; Battery.
Model 3B Carbon Microphone
Fundamental Frequency
Powering Condenser Microphones
Capacitor
39. Three or more microphones working together to capture a stereo or surround image of the sound source.
Capacitor Microphone
Body
Harvey Fletcher
Arrays
40. Condenser; Cardioid; Side Address; 48V Required; Manufactured by AudioTechnica; Ideal for project/home- studio applications; Low price; Remains the low cost performance standard in side- address condenser mics.
Dual Mono
Ribbon Microphone
AudioTechnica AT2020
Neumann CMV3
41. The first AKG dynamic microphone.
Mono
AKG DYN60
Subkick
Roswellite
42. Electro- acoustic device attached to a transducer that vibrates to receive or produce sound waves which put the device into motion.
AudioTechnica AT4051
Hypercardioid/Supercardioid (Electrical Polar Pattern)
Pop Filter
Diaphragm
43. The first dynamic microphone with changeable polar patterns.
Machine Head
Side Address
AKG D36
LRFB
44. Barrier made of shaped wire covered with a piece of nylon that is placed between a sensitive mic and the talent to avoid damage to the diaphragm of the mic.
Pop Filter
RFI
Tuning Keys
Capacitor Microphone
45. Measurement similar to how our hearing works in frequency response charts.
Over/Under
Stereo Bar
Phase Ports
A-Weighting
46. Dynamic; Cardioid; End Address; Manufactured by Sennheiser; Unique mic clip with quick- release button; Large diaphragm dynamic element handles high SPL's - making it great for recording guitars and drums.
RFI
Goals of Sound Effects
AKG C12
Sennheiser MD421
47. To capture two perspectives on the same sound.
Dual Mono
Shiny Box 46MXL
Roswellite
Carbon Microphone
48. Very robust and durable; Used in telephones until 1990's; Currently finds applications for military use.
Pressure Capsules
Carbon Microphone Uses
Subcardioid
Max SPL
49. The part of the guitar you turn to tune the strings in order to get the right sound out of the guitar when one plays.
Tuning Keys
Shockmount
Faraday Cage
Pickup
50. The measuring device used for loudspeaker room response testing.
Real Time Analyzer (RTA)
Vintage Tube Mic Precautions
Altec/Western Electric 639
Noise