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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. 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.
Neumann KM 184
Binaural Mic
Reverse Polarity
Over/Under
2. An electrical device characterized by its capacity to store an electric charge;
Shure SM58
Capacitor
Pad
Clip
3. - Omnidirectional: 100% - Cardioid: 33% - Supercardioid: 27% - Hypercardioid: 25% - Bidirectional: 33%
Reisz Marble Mic
Ambient Sound Sensitivity
Goals of Sound Effects
Distance Factor (DSF)
4. 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.
Phasing
Microphone Storage
Spherical Mic
Microphone Care...
5. Determined by: Ribbon Thickness (about 3 to 6 microns); Corrugations/Inch; Tension of the Ribbon.
Hypercardioid
Powering Condenser Microphones
Ribbon Microphone Sensitivity
X/Y
6. German broadcasting stereo mic technique; An X-Y type with the mics 20cm apart and at a 90
Null Angle
DIN
MSM
Spherical Mic
7. Mic in which the diaphragm moves in response to sound waves and an attached pin/rod moves; Coil attached to pin/rod moves alone with the diaphragm.
Ribbon Microphone
Microphone Storage
Magnetic Microphone
Shockmount
8. Voltage applied to piezoelectric material will cause it to deform or change shape; NO PHANTOM POWER!
Crystal Mic Damage
Faulkner
Bandpass
Shure Unidyne Series
9. The first AKG dynamic microphone.
Crystal & Ceramic Microphones
AKG DYN60
Motor
Sensitivity
10. 4 coincident mics each positioned at 90
Condenser Diaphragm
Boom Placement Rule
LRFB
Decca Tree
11. Dynamic; Cardioid; End Address; Manufactured by Shure; Popular musicians' choice due to its sturdy construction and ability to work well with instruments that produce high sound pressure levels.
Shure SM57
Neumann KM 184
Condenser Diaphragm
Goals of Sound Effects
12. Shows the total range of the mic's internal pre- amp; Measured in dB (decibels).
Neumann CMV3
On -Axis
Rear Sensitivity (Relative to Front)
Dynamic Range
13. 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.
Max SPL
AKG C414
Roll-Off
Interference Tube...
14. The first dynamic microphone with changeable polar patterns.
Roll-Off
Phase Ports
M/S Stereo
AKG D36
15. Sounds that arrive at the 0
Supercardioid
Fukada Tree
Microphone Storage
On -Axis
16. 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.
Bidirectional (Electrical Polar Pattern)
Packing
Parabolic Systems
Electret Condenser
17. The attachment that holds a microphone in place on the mic stand; Comes in various shapes - sizes - and applications.
End Address
Decca Tree
Clip
Pressure Gradient Capsules
18. The lowest - and usually most intense - frequency of a complex sound; Most often perceived as the sound's basic pitch.
X/Y
Cardioid (Electrical Polar Pattern)
Mono
Fundamental Frequency
19. Coincident pairing angled between 90
X/Y
Transducer Type
Sealed Ni-Cad Battery
Sensitivity
20. Use coincident or near coincident pairings; Too many microphones will cause phasing issues.
Roswellite
Striking
Theatrophone
Percussion Mic Placement
21. Older ribbon microphone weighing 8.5 lbs. nearly all of it the large magnet!
Dynamic Range
RCA 44BX
AKG DYN60
Supercardioid
22. Changes in air pressure from the front or the back can cause polarity cancellation; Sides have good rejection; Natural polar pattern is bidirectional.
AKG D12
Roll-Off
Pressure Gradient Capsules
Subcardioid
23. The measuring device used for loudspeaker room response testing.
Snare Drum Mic Placement
Real Time Analyzer (RTA)
Subcardioid
Soundfield
24. 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
Shure KSM-353
Alan Blumlein
Faraday Cage
AB Stereo
25. Bell Labs scientist that was an innovator of many spaced pair and arrayed miking techniques.
C-Weighting
Harvey Fletcher
Stereo Bar
Piezoelectric Effect
26. Reduces the power of a signal used when the trim itself cannot prevent overload in the mic line level signal.
Blumlein Pairing
C-Weighting
Pad
Jecklin Disk
27. Considered to be the best mic ever made; VF14 Tube.
Shure Unidyne Series
Types of Pre-Amps for Condenser Mics
Neumann U47
Packing
28. Vintage Tube Mics hold voltage after being unplugged; Be sure grounds are connected to power cord and that the charge has left microphone prior to striking.
Shure Unidyne Series
Stereosonic
Vintage Tube Mic Precautions
Over/Over
29. Sounds that may be broadcast over the radio or internet.
Mono
End Address
Neumann U87
Arrays
30. Causes an increase in low frequency response as one gets closer to the source.
Trumpet Mic Placement
Proximity Effect
Hydrophone
DIN
31. The method by which microphones are classified.
Tube Condenser Microphone
Transducer Type
Body
AKG C414
32. To oppose with equal weight or force as in the length of the boom arm versus the weight of the microphone.
Spherical Mic
Neumann CMV3
Counterbalance
Measurement Mics
33. Microphone consisting of two parallel metal plates - each holding an opposing charge (+ or -) and thus creating a capacitor to induce an electrical charge as sound waves move the diaphragm; Require a solid- state or tube preamplifier.
Condenser Microphone
A-Weighting
Harvey Fletcher
Faraday Cage
34. - Omnidirectional: 1 - Cardioid: 1.7 - Supercardioid: 1.9 - Hypercardioid: 2 - Bidirectional: 1.7
Microphone (Definition)
Sealed Ni-Cad Battery
Hypercardioid/Supercardioid (Electrical Polar Pattern)
Distance Factor (DSF)
35. 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.
Dynamic Microphone
Parabolic Systems
MSM
Shure SM81
36. Omnidirectional: N/ - Cardioid: 180
Angle of Max Rejection
Binaural Mic
Over/Under
Coincident Pair
37. The reduction in the amplitude of a wave due to the dissipation of wave energy.
Bass Amp Mic Placement
Damping
Reisz Marble Mic
Neumann KM-84
38. 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.
Spaced Pairs
Capacitor Microphone
RFI
Null Angle
39. Quartz; Barium Titaniate - Tourmaline; Rochelle Salt - and even cane sugar.
Measurement Mics
Neumann U67
Dynamic Mic Characteristics
Examples of Piezoelectric Material
40. Omnidirectional: 360
Stereo
Coverage Angle
Cardioid
Doubling Ribbon Length
41. Keep in proper case; Never disassemble shockmounts
Pickup
3 Voltages for Phantom Power
Microphone Storage
Sealed Ni-Cad Battery
42. + (only); (Front capsule alone)
Cardioid (Electrical Polar Pattern)
Carbon Microphone
FFT Analyzer
Spherical Mic
43. The world's first single element cardioid mics.
Dynamic Microphone
M/S Stereo
Shure Unidyne Series
Faraday's Law of Magnetic Induction
44. Small microphone attached to the bridge of a string bass or to an acoustic guitar to amplify its sound.
Stereo
Dual Mono
Ribbon Mic Characteristics
Pickup
45. Pair of omni mic separated by a circular absorptive baffle.
Side Address
Faraday's Law of Magnetic Induction
Noise
Jecklin Disk
46. A 3- mic array using omni mics with left - right and center placement; Center is placed about 5 ft. closer to the source to eliminate 'holes' in the middle and the center levels are reduced for an even sound; Forms a triangle.
Omnidirectional
Decca Tree
Pierre Curie
AudioTechnica AT2020
47. Digital device used to Fourier Forms; Used to measure the specific number of sine waves in a specific frequency in a specific setting.
Dynamic Mic Characteristics
Crystal and Ceramic Mic Use
FFT Analyzer
MSM
48. 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.
Fukada Tree
AKG C1000S
Capacitor Microphone
Theatrophone
49. Allow sound to reach the rear of the capsule/diaphragm - to create cardioid - supercardioid - and hypercardioid patterns In single capsule pressure gradient microphones.
Spaced Pairs
Shure SM57
Shotgun
Phase Ports
50. Overall measurement close to the overall sound level in frequency response charts.
Boom Placement Rule
C-Weighting
Alan Blumlein
Stereo Bar