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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. First microphone invented by Georg Neumann
Pickup
Soundfield
Dynamic Microphone
Reisz Marble Mic
2. Condenser; Cardioid; End Address; 48V Required; Manufactured by Neumann; Consists of three compact miniature microphones; Has a gentle rise at about 9 kHz that provides tonal balance that is fresher and livelier.
Polar Pattern
Neumann KM 184
Pressure Gradient Capsules
X/Y
3. 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
Clutch
Coverage Angle
Cone
Interference Tube...
4. Divisions on the fingerboard which represent the position of a specific note or tone.
SPL Meter
Voice Coil
Bandpass
Frets
5. Mounts on a single stand to provide for adjustable spacing and angling between mics.
Hypercardioid/Supercardioid (Electrical Polar Pattern)
MSM
Stereo Bar
Protractor & Ruler
6. The first dynamic microphone with changeable polar patterns.
Distance Factor
AKG D36
Interference Tube...
Carbon Microphone
7. Used in adverse conditions to protect from elements like sand - or dust.
Parabolic Systems
Wind Screens
Binaural Mic
3 Voltages for Phantom Power
8. A flat or roughly flat strip on the neck of a stringed instrument against which the strings are pressed to shorten the vibrating length and produce notes of higher pitches.
Fingerboard
Sealed Ni-Cad Battery
Sensitivity
Bass Amp Mic Placement
9. Carbon; Ceramic/Crystal; Magnetic/Dynamic; Ribbon; Condenser
Capacitance
Subcardioid (Electrical Polar Pattern)
5 Common Microphone Transducers
Shure SM57
10. + (only); (Front capsule alone)
Cardioid (Electrical Polar Pattern)
Microphone (Word Etymology)
Ribbon Mic Characteristics
Spaced Pairs
11. Adds two outer right and left rear facing mics to a Decca tree for surround sound depth.
Protractor & Ruler
Fukada Tree
Subkick
3 Voltages for Phantom Power
12. Proportional to: Magnetic field strength; Length of the conductor; Velocity of conductor moving through the magnetic field.
Clement Ader
Magnetic Induction Voltage
Percussion Mic Placement
Shotgun
13. Sounds that may be broadcast over the radio or internet.
Microphone Care...
AudioTechnica AT4051
Roswellite
Mono
14. 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.
Shure Unidyne Series
Off-Axis
Sennheiser e604
Binaural Mic
15. Shows the level of self- noise from a microphone's internal electronics; Measured in dB (decibels).
Noise
Microphone (Word Etymology)
Pascals (Pa)
Field Mixer
16. Reduces the power of a signal used when the trim itself cannot prevent overload in the mic line level signal.
Pad
Types of Field Recording
Lowpass Filter
Carbon Microphone Uses
17. The graphic representation plot of the sensitivity of a microphone from any direction over a 360
Speed of Sound Underwater
Polar Pattern
RCA 44BX
Over/Under
18. Demonstrated the first stereophonic transmissions via the Theatrophone in 1881.
Max SPL
Clement Ader
AKG DYN60
AudioTechnica AT4040
19. 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.
AudioTechnica AT4040
Spherical Mic
Magnetic Microphone
Sennheiser MD421
20. An electrical device characterized by its capacity to store an electric charge;
Roswellite
Capacitor
Parabolic Systems
Subcardioid
21. 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.
Sealed Ni-Cad Battery
Polar Pattern
Packing
Tube Condenser Microphone
22. French physicist who pioneered piezoelectricity.
Fingerboard
Pistonphone
Pierre Curie
Clement Ader
23. Considered to be the best mic ever made; VF14 Tube.
Neumann U47
Binaural Mic
Dynamic Mic Characteristics
Faraday Cage
24. To oppose with equal weight or force as in the length of the boom arm versus the weight of the microphone.
Increasing Output Voltage in Ribbon Mics
Counterbalance
Model 3B Carbon Microphone
Blumlein Pairing
25. Condenser; Cardioid; End Address; 48V Required; Manufactured by AudioTechnica; Switchable 80 Hz Hi-Pass Filter; Ideal for professional recording and critical applications in broadcast.
Side Address
Rudolf Goerike & Ernest Pless
AudioTechnica AT4051
Fingerboard
26. Angle of maximum signal rejection in a microphone polar pattern.
Rear Sensitivity (Relative to Front)
Side Address
Null Angle
SPL Meter
27. French broadcasting stereo mic technique; An X-Y type with the mics 17cm apart and at a 110
Ribbon Mic Characteristics
ORTF
Clement Ader
Coincident Pair
28. Cable wrapping method that keeps every coil on top of the next; May cause interference and tiny curls or tangles.
Over/Over
Distance Factor (DSF)
Theatrophone
Types of Pre-Amps for Condenser Mics
29. Shows the max sound pressure level possible with a certain amount of distortion; Measured in dB (decibels).
Condenser Diaphragm
AKG C414
Max SPL
Parabolic Systems
30. Coincident pairing angled between 90
X/Y
Microphone Care...
Cardioid
Speed of Sound Underwater
31. The arm of the mic stand; Includes the angle adjust & telescopic adjust.
Shure SM58
Subcardioid
Boom
Rudolf Goerike & Ernest Pless
32. Works exactly like condenser mic but one of the two plates is manufactured as a capsule with a permanent static charge so there is no external power source necessary; Requires phantom or battery to charge internal mic preamp.
Shure KSM-353
Soundfield
Faraday Cage
Electret Condenser
33. A stereo miking technique similar to coincident pair - where the mics are set up with some distance between them; Distance and angle of microphones may differ; Creates a more defined stereo image; Produces very sharp images; Provides more 'air'.
Phase Ports
AudioTechnica AT2020
Near Coincident Pair
Shure SM81
34. Device used to calibrate sound pressure measurement devices; Emits a single 1 kHz frequency over a sustained period of time.
Model 3B Carbon Microphone
Pistonphone
Microphone Care...
Over/Under
35. Responds to air pressure variations outside of the capsule; Not selective of direction; Natural polar pattern is omnidirectional.
Rear Sensitivity (Relative to Front)
Pressure Capsules
Boom
Roswellite
36. Used in production sound for multiple perspectives on the set; Used in Audio Post to record a number of mics into a recorder with minimal set- up & tear down.
Hypercardioid
Field Mixer
X/Y
Null Angle
37. Will yield a 6dB increase in output - but will cause a loss of high frequency response.
Reisz Marble Mic
Supercardioid
Doubling Ribbon Length
SASS-P
38. The world's first single element cardioid mics.
Striking
Shure Unidyne Series
Shotgun
Neumann U47
39. 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.
Bidirectional
Subcardioid (Electrical Polar Pattern)
Legs
Leslie Cabinet
40. The measuring device used for loudspeaker room response testing.
X/Y
Real Time Analyzer (RTA)
Shure KSM Series
Jecklin Disk
41. Allow sound to reach the rear of the capsule/diaphragm - to create cardioid - supercardioid - and hypercardioid patterns In single capsule pressure gradient microphones.
Off-Axis
Sensitivity
Phase Ports
Crystal and Ceramic Mic Use
42. To break down or disassemble any portion of a set or stage set- up.
Powering Condenser Microphones
Telefunken ELA- M251
Decca Tree
Striking
43. Solid State and Tube.
Carbon Microphone
RFI
Microphone (Word Etymology)
Types of Pre-Amps for Condenser Mics
44. Solid state version of the U67.
Neumann U87
Magnetic Microphone
Machine Head
M/S Stereo
45. 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.
RCA 44BX
Shure SM58
Clement Ader
Neumann KM 184
46. Small coil of wire wrapped around the plastic or aluminum diaphragm of a dynamic microphone.
Parabolic Systems
Voice Coil
Transient Response
Angle of Max Rejection
47. Derived from two words; 'electr' from electrostatic and 'et' from magnet.
LRFB
Soundfield
Faraday's Law of Magnetic Induction
Electret (Word Etymology)
48. Tube manufactured for the new version of the AKG C12 (called the C12-A); Powered by Norelco.
Shure Unidyne Series
Phase Ports
Nuvistor Tube
Phasing
49. Mics placed in front of an instrument or ensemble (in a left/right fashion) to obtain an overall stereo image; Sound more open and natural; Weaker center image than X/Y; Great for creating background sounds that will blend in with foreground sounds.
Shure Unidyne Series
Spaced Pairs
Body
Pop Filter
50. Built by AKG for Telefunken and regarded as one of the best vintage condenser microphones ever.
Trombone Mic Placement
Telefunken ELA- M251
Binaural Mic
Pop Filter