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Test your basic knowledge |
Microphones Theory
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Study First
Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
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.
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. Condenser; Multiple; Side Address; 48V Required; Manufactured by AKG; Dual Diaphragm; Nine selectable pickup patterns; Peak Hold LED; The reference microphone for almost all comparative microphone tests.
Sennheiser e604
Neumann U47
Rode NT1A
AKG C414
2. Small Diaphragm Electret condensers; Extremely flat frequency response; Omnidirectional pattern.
Pickup
Shure SM81
Matched Pairs
Measurement Mics
3. Timing difference between two waves; Waves interfere cancelling each other out and altering frequency response; Measured in degrees; Can be caused by reflections of sound waves; Can be reduced by putting cabinet or amp at an angle.
Over/Under
Neumann U67
Tuning Keys
Phasing
4. Responds to air pressure variations outside of the capsule; Not selective of direction; Natural polar pattern is omnidirectional.
Magnetic Induction Voltage
Pressure Capsules
Rode NT1A
AB Stereo
5. Term coined by Sir Charles Wheatstone derived from the Greek words 'micro' (small) & 'phon' (sound).
Fundamental Frequency
Microphone (Word Etymology)
Fukada Tree
Pascals (Pa)
6. + & + (Front & rear in equal positive amounts)
X/Y
Field Mixer
Angle of Max Rejection
Omnidirectional (Electrical Polar Pattern)
7. The reduction in the amplitude of a wave due to the dissipation of wave energy.
Condenser Diaphragm
Damping
Body
Over/Under
8. Sounds that arrive from angles other than the 0
Vintage Tube Mic Precautions
Off-Axis
Lowpass Filter
Types of Pre-Amps for Condenser Mics
9. Older ribbon microphone weighing 8.5 lbs. nearly all of it the large magnet!
Shure KSM Series
Shiny Box 46MXL
RCA 44BX
Pressure Capsules
10. 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.
Bass Amp Mic Placement
X/Y
Electro Voice RE20
Spherical Mic
11. Measurement similar to how our hearing works in frequency response charts.
Diaphragm
ORTF
Ambient Sound Sensitivity
A-Weighting
12. 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.
Stereo
Backplate
Shure SM58
5 Common Microphone Transducers
13. Configured to simulate the spacing and directivity of human hearing; Box shape with two 'ears' on each side.
SASS-P
Cardioid (Electrical Polar Pattern)
Pierre Curie
Dynamic Microphone
14. Derived from two words; 'electr' from electrostatic and 'et' from magnet.
Neumann U67
Shure SM81
Wind Screens
Electret (Word Etymology)
15. Pair of omni mic separated by a circular absorptive baffle.
Cardioid (Electrical Polar Pattern)
Jecklin Disk
Rear Sensitivity (Relative to Front)
Faulkner
16. Angle of maximum signal rejection in a microphone polar pattern.
Electret Condenser
FFT Analyzer
Null Angle
Counterbalance
17. 4800 ft/sec
Speed of Sound Underwater
Shure KSM-353
Coincident Pair
Magnetic Microphone
18. Used to filter heating current in certain mics; Invented by Georg Neumann.
ORTF
Guitar Amp Mic Placement
Sealed Ni-Cad Battery
Hydrophone
19. Used to make sure you have accurate angles & capsule spacing when miking in stereo.
Field Mixer
AudioTechnica AT4051
Protractor & Ruler
Shure Unidyne Series
20. Causes an increase in low frequency response as one gets closer to the source.
Casing
Proximity Effect
Hypercardioid
Rode NT1A
21. One of the world's greatest condenser microphones prized for the CK12 capsule.
Over/Over
Fukada Tree
Transducer Type
AKG C12
22. Coincident stereo miking techniques that has two microphone diaphragms occupying (as near as possible) the same space; Capsules often on top of each other; Not good for noisy locations.
Coincident Pair
Damping
Piezoelectric Effect
Roswellite
23. Solid state version of the U67.
Neumann U87
Spaced Pairs
Terry Bozzio
Capacitance
24. + (only); (Front capsule alone)
Shotgun
Cardioid (Electrical Polar Pattern)
Shure KSM Series
Pierre Curie
25. Adds two outer right and left rear facing mics to a Decca tree for surround sound depth.
Spaced Pairs
Counterbalance
Fukada Tree
AKG D12
26. Extremely narrow area of sensitivity in front with extended reach; Also has multiple lobes which vary in position with frequency; Not made from combining pure patterns - but created by using an interference tube.
Coincident Pair
Shotgun
Shure KSM Series
Phase Ports
27. Forward facing bipolar mics spaced 20cm apart.
Rode NT1A
NOS
Faulkner
Carbon Microphone
28. Measurement of the mic's sensitivity; Measured in mV/Pa (millivolts per Pascal).
Sensitivity
Neumann KM-84
RFI
Sennheiser MD421
29. Demonstrated the first stereophonic transmissions via the Theatrophone in 1881.
Clement Ader
RCA 44BX
Dynamic Microphone
Shure KSM-353
30. 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).
Piezoelectric Effect
Bidirectional
E.C. Wente
A-Weighting
31. The tuning machines of a guitar; Part of the tuning key that strings are threaded through and twisted.
Telefunken ELA- M251
End Address
Machine Head
Bandpass
32. First to mass produce the condenser microphone in 1929; Improved cutting lathe technology by developing direct drive turntables; Invents 48V Phantom Power to power the new condenser microphone for Norwegian State Television.
Neumann U47
Georg Neumann
Sennheiser MD421
Examples of Piezoelectric Material
33. Part of a mic stand that the mic stands on.
Shure KSM Series
Magnetic Microphone
Legs
Diaphragm
34. 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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35. Condenser; Cardioid; End Address; Manufactured by Shure; Small condenser design that is great for instrument recording.
Shure SM81
Damping
Pad
Bass Amp Mic Placement
36. Phenomenon causing carbon microphones to lose sensitivity as granules become packed together over extended use; To remedy problem mic is gently rapped on hard surface.
Frets
Packing
AKG D12
Ribbon Microphone Sensitivity
37. The arm of the mic stand; Includes the angle adjust & telescopic adjust.
Shure KSM Series
AKG C12
Boom
Coverage Angle
38. 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
Microphone Storage
Stereosonic
Faraday Cage
Frets
39. Shows the level of self- noise from a microphone's internal electronics; Measured in dB (decibels).
Neumann U67
Mono
Ambient Sound Sensitivity
Noise
40. The moving plate of a condenser capacitor; Constructed of a thin piece of metal or thin plastic - such as Mylar - coated with gold or nickel; .05 - 10 microns thick.
Mono
Goals of Sound Effects
Shockmount
Condenser Diaphragm
41. Utilized primarily on condenser and ribbon mics to isolate it from vibrations that might otherwise be transmitted to the microphone through the mic stand.
Guitar Amp Mic Placement
Shockmount
Electret (Word Etymology)
Interference Tube...
42. Shure's newer ribbon studio mics; KSM 353 & 313 (Roswellite); KSM 44 - 32 - & 27.
Neumann U87
Shure KSM Series
Supercardioid
Carbon Microphone Uses
43. The attachment that holds a microphone in place on the mic stand; Comes in various shapes - sizes - and applications.
Clip
Transducer Type
Lowpass Filter
Trombone Mic Placement
44. The world's first single element cardioid mics.
Types of Field Recording
Shure Unidyne Series
Subcardioid
Roll-Off
45. Tube microphone capable of SPL's over 140dB.
Neumann U67
Guitar Amp Mic Placement
AudioTechnica AT4051
RFI
46. - Omnidirectional: 1 - Cardioid: 1.7 - Supercardioid: 1.9 - Hypercardioid: 2 - Bidirectional: 1.7
Microphone (Definition)
Distance Factor (DSF)
Pickup
Shure KSM-353
47. Known as 'The Bottle' this was the first mass - produced condenser mic.
AKG C1000S
Sennheiser MD421
Omnidirectional (Electrical Polar Pattern)
Neumann CMV3
48. + & - (Front & rear in opposite equal amounts)
Decca Tree
Bidirectional (Electrical Polar Pattern)
Vintage Tube Mic Precautions
Pressure Capsules
49. EMI employee that was the innovator of many coincident pairing mic techniques; Mid/Side & Blumlein techniques are associated with him.
Fingerboard
Trombone Mic Placement
E.C. Wente
Alan Blumlein
50. Pair of omni mic elements mounted on opposite sides of a spherical shaped capsule.
Magnetic Microphone
Omnidirectional (Electrical Polar Pattern)
Spherical Mic
FFT Analyzer
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