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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. German broadcasting stereo mic technique; An X-Y type with the mics 20cm apart and at a 90
DIN
Dynamic Range
Crystal Mic Damage
Magnetic Induction Voltage
2. Pure polar pattern that receives sound from both the front and back; Also known as a 'Figure 8' pattern; More proximity effect that Cardioid or Hyper Cardioid; Often found in ribbon mics.
Transient Response
Polar Pattern
Bidirectional
Condenser Diaphragm
3. Considered to be the best mic ever made; VF14 Tube.
Capacitor
Neumann U47
RFI
Wind Screens
4. The world's first single element cardioid mics.
Pressure Capsules
Clutch
Tube Condenser Microphone
Shure Unidyne Series
5. 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.
Ribbon Mic Characteristics
Electro Voice RE20
Examples of Piezoelectric Material
Condenser Diaphragm
6. The first microphone sold by Shure; Military awarded Shure a contract to build microphones in WWII.
Noise
Capacitance
Model 3B Carbon Microphone
Neumann CMV3
7. Built by AKG for Telefunken and regarded as one of the best vintage condenser microphones ever.
Clement Ader
Kick Tunnel
Telefunken ELA- M251
Magnetic Induction Voltage
8. Shure's newer ribbon studio mics; KSM 353 & 313 (Roswellite); KSM 44 - 32 - & 27.
Neumann U67
Shure KSM Series
Neumann KM-84
Voice Coil
9. Measurement similar to how our hearing works in frequency response charts.
A-Weighting
AKG D36
Shockmount
Powering Condenser Microphones
10. - Omnidirectional: 1 - Cardioid: 1.7 - Supercardioid: 1.9 - Hypercardioid: 2 - Bidirectional: 1.7
AudioTechnica AT4040
ORTF
Types of Field Recording
Distance Factor (DSF)
11. To break down or disassemble any portion of a set or stage set- up.
Null Angle
Phase Ports
Telefunken ELA- M251
Striking
12. The head or top of the guitar where the tuning pegs are located.
Neumann CMV3
Sensitivity
Striking
Headstock
13. Keep in proper case; Never disassemble shockmounts
Microphone Storage
Tube Condenser Microphone
Microphone (Word Etymology)
Microphone Care...
14. Microphone with 4 large diaphragm condenser capsules; 3 bidirectional and 1 omni; Can be combined to make any polar pattern.
Body
3 Voltages for Phantom Power
Percussion Mic Placement
Soundfield
15. French physicist who pioneered piezoelectricity.
Nuvistor Tube
Sealed Ni-Cad Battery
Pierre Curie
Theatrophone
16. Term coined by Sir Charles Wheatstone derived from the Greek words 'micro' (small) & 'phon' (sound).
Dynamic Mic Characteristics
Voice Coil
Microphone (Word Etymology)
Cardioid
17. The reduction in the amplitude of a wave due to the dissipation of wave energy.
Percussion Mic Placement
Trumpet Mic Placement
Roll-Off
Damping
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.
MSM
Powering Condenser Microphones
5 Common Microphone Transducers
Clip
19. When miking an amp placing it near the center of this will make it sound brighter; Miking near the outer edge of this will make it sound darker and more mellow in tone.
Noise
Shure Unidyne Series
Cardioid (Electrical Polar Pattern)
Cone
20. Pair of omni mic elements mounted on opposite sides of a spherical shaped capsule.
Carbon Microphone Uses
Spherical Mic
Baffle
Roll-Off
21. Use coincident or near coincident pairings; Too many microphones will cause phasing issues.
Percussion Mic Placement
Dynamic Range
Pistonphone
Ribbon Mic Characteristics
22. French broadcasting stereo mic technique; An X-Y type with the mics 17cm apart and at a 110
Speed of Sound Underwater
Lowpass Filter
Motor
ORTF
23. Small coil of wire wrapped around the plastic or aluminum diaphragm of a dynamic microphone.
Guitar Amp Mic Placement
C-Weighting
Rudolf Goerike & Ernest Pless
Voice Coil
24. + & - (Front & rear in opposite equal amounts)
NOS
Speed of Sound Underwater
Bidirectional (Electrical Polar Pattern)
Examples of Piezoelectric Material
25. First microphone invented by Georg Neumann
Capacitor Microphone
RCA 44BX
Reisz Marble Mic
Baffle
26. Stereo configuration using a spaced pair 3-10 feet apart.
AB Stereo
Parabolic Systems
Ribbon Mic Characteristics
Types of Pre-Amps for Condenser Mics
27. Responds to air pressure variations outside of the capsule; Not selective of direction; Natural polar pattern is omnidirectional.
Sennheiser MD421
Alan Blumlein
Cardioid (Electrical Polar Pattern)
Pressure Capsules
28. Overall measurement close to the overall sound level in frequency response charts.
Kick Tunnel
Pierre Curie
Fingerboard
C-Weighting
29. Sensitive in a slightly narrower pattern in the front than cardioid and has a small lobe at rear; Rejects most signals arriving from 125
Supercardioid
Microphone Storage
SASS-P
Electret Condenser
30. Older ribbon microphone weighing 8.5 lbs. nearly all of it the large magnet!
Mid/Side
RCA 44BX
NOS
Bidirectional (Electrical Polar Pattern)
31. An electrical device characterized by its capacity to store an electric charge;
Goals of Sound Effects
Cardioid (Electrical Polar Pattern)
Capacitor
Percussion Mic Placement
32. 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.
Counterbalance
Hydrophone
SPL Meter
Bidirectional
33. Tough & rugged; Can work in extremely high SPL environments; Less responsive to transient frequencies b/c of diaphragm mass is heavier than sound waves.
Omnidirectional
Dynamic Mic Characteristics
Coincident (Definition)
Leslie Cabinet
34. Tube microphone capable of SPL's over 140dB.
Piezoelectric Effect
Types of Field Recording
Neumann U67
Ribbon Microphone
35. 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.
End Address
Fingerboard
Rode NT1A
Dynamic Range
36. 4 to 6 ft. from the player; Mic should be placed below the line of sight of the bell - rotated at about 40 degrees off- axis - and tilted upward.
Trumpet Mic Placement
Terry Bozzio
Snare Drum Mic Placement
Tuning Keys
37. Divisions on the fingerboard which represent the position of a specific note or tone.
Over/Under
Dynamic Range
Frets
C-Weighting
38. Three or more microphones working together to capture a stereo or surround image of the sound source.
DIN
Shure SM81
Arrays
Types of Pre-Amps for Condenser Mics
39. Founded AKG at the end of WWII in Austria.
Rudolf Goerike & Ernest Pless
AudioTechnica AT4040
3 Voltages for Phantom Power
Measurement Mics
40. Modeled to mimic a human head for extremely good spatialization; Shaped like a human head.
Noise
Binaural Mic
Neumann KM 184
Goals of Sound Effects
41. Dynamic; Super-Cardioid; End Address; Humbucking Coil; Brilliance Switch; Manufactured by Sennheiser; Acknowledged as the most accurate and versatile dynamic mic available.
Phase Ports
Measurement Mics
Sennheiser MD441
Voice Coil
42. 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 KM-84
AKG C12
Georg Neumann
Polar Pattern
43. Solid State and Tube.
Body
Matched Pairs
Types of Pre-Amps for Condenser Mics
Field Mixer
44. 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.
AKG C414
Terry Bozzio
Powering Condenser Microphones
Sennheiser MD421
45. Used for stereo miking to ensure correct balance and imaging.
Magnetic Induction Voltage
Striking
Increasing Output Voltage in Ribbon Mics
Matched Pairs
46. Using omnidirectional as a reference of 1 - this is a measurement of how much farther you can be from a mic to achieve equal output level in other polar pattern microphones.
Distance Factor
AKG D12
Ribbon Mic Characteristics
ORTF
47. When using two microphones reverse the polarity of the bottom mic.
Snare Drum Mic Placement
Shure SM81
Dual Mono
Crystal Mic Damage
48. Often look like large diaphragm studio mics; Talk or sing into the side of the microphone.
AB Stereo
Capacitor Microphone
Side Address
Snare Drum Mic Placement
49. Omnidirectional: 360
Magnetic Induction Voltage
Coverage Angle
Side Address
Fingerboard
50. 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.
Null Angle
Ribbon Microphone
Phasing
Shiny Box 46MXL