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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. More compelling sound - giving both depth and perspective.
Faraday Cage
Nuvistor Tube
Neumann U87
Stereo
2. One of the world's greatest condenser microphones prized for the CK12 capsule.
Percussion Mic Placement
Shockmount
Examples of Piezoelectric Material
AKG C12
3. Omnidirectional: 0 - Cardioid: 8 - Supercardioid: 12 dB - Hypercardioid: 6 dB - Bidirectional: 0
Over/Over
Shure SM81
Cardioid
Rear Sensitivity (Relative to Front)
4. An electromagnetic microphone - in which a thin - corrugated ribbon is suspended within a high magnetic flux field; Excellent transient response due to the small amount of acoustic energy required to move diaphragm.
Hypercardioid
Motor
AudioTechnica AT4040
Ribbon Microphone
5. EMI employee that was the innovator of many coincident pairing mic techniques; Mid/Side & Blumlein techniques are associated with him.
Pop Filter
Neumann CMV3
Alan Blumlein
Arrays
6. 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.
Real Time Analyzer (RTA)
Cone
Capacitance
Alan Blumlein
7. Device used to calibrate sound pressure measurement devices; Emits a single 1 kHz frequency over a sustained period of time.
Nuvistor Tube
Pistonphone
Subcardioid (Electrical Polar Pattern)
Fundamental Frequency
8. 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.
Machine Head
Mid/Side
Omnidirectional
Rode NT1A
9. - Omnidirectional: 1 - Cardioid: 1.7 - Supercardioid: 1.9 - Hypercardioid: 2 - Bidirectional: 1.7
Distance Factor (DSF)
LRFB
5 Common Microphone Transducers
Stereo
10. Sensitive in a narrower pattern in the front than a cardioid and has a prominent/pronounced lobe at rear; Rejects most signals from 110
Bass Amp Mic Placement
Neumann KM-84
Hypercardioid
Clutch
11. 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.
Bidirectional
Phasing
AKG C414
Field Mixer
12. 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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13. Aluminum Ribbon - Bi-Polar (Figure 8); Side Address; Manufactured by Shiny Box; Buttery mid- range improves digital recordings and smooths out modern treble; Best on drums - piano - overheads - and vocals where treble is focused.
AudioTechnica AT4051
Polar Pattern
Shiny Box 46MXL
Bidirectional
14. When using multiple microphones - the distance between microphones should be at least 3 times the distance from each microphone to its intended sound source.
Cardioid
Distance Factor
Alan Blumlein
3:1 Rule
15. 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.
Stereo
Binaural Mic
On -Axis
Condenser Microphone
16. Often look like handheld vocal mics; Talk or sing into the end of the microphone.
Sensitivity
Bass Amp Mic Placement
5 Common Microphone Transducers
End Address
17. Determined by: Ribbon Thickness (about 3 to 6 microns); Corrugations/Inch; Tension of the Ribbon.
Carbon Microphone
Carbon Microphone Uses
Subkick
Ribbon Microphone Sensitivity
18. Cable wrapping method that keeps every coil on top of the next; May cause interference and tiny curls or tangles.
Over/Over
Omnidirectional (Electrical Polar Pattern)
Omnidirectional
Dynamic Mic Characteristics
19. The first AKG dynamic microphone.
AKG DYN60
Off-Axis
Measurement Mics
NOS
20. Often look like large diaphragm studio mics; Talk or sing into the side of the microphone.
Sennheiser e604
Fukada Tree
Side Address
Field Mixer
21. Known as 'The Bottle' this was the first mass - produced condenser mic.
Neumann CMV3
Fingerboard
RFI
Rudolf Goerike & Ernest Pless
22. Device or transducer used for converting sound waves or acoustical energy into electrical energy
Cone
Reverse Polarity
AKG C1000S
Microphone (Definition)
23. The first phantom powered condenser microphone designed for use by Georg Neumann for Norwegian State Television.
Electret (Word Etymology)
Headstock
Neumann KM-84
RFI
24. Small Diaphragm Electret condensers; Extremely flat frequency response; Omnidirectional pattern.
Counterbalance
AKG DYN60
Measurement Mics
Shockmount
25. To oppose with equal weight or force as in the length of the boom arm versus the weight of the microphone.
Dynamic Microphone
Counterbalance
Null Angle
Coverage Angle
26. 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.
Boom
Shure Unidyne Series
Transducer Type
Spaced Pairs
27. The tuning machines of a guitar; Part of the tuning key that strings are threaded through and twisted.
Clip
3:1 Rule
Supercardioid
Machine Head
28. Angle of maximum signal rejection in a microphone polar pattern.
Stereo
Null Angle
Pascals (Pa)
AKG DYN60
29. When using two microphones reverse the polarity of the bottom mic.
Stereo
Cone
Crystal Mic Damage
Snare Drum Mic Placement
30. 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.
Condenser Diaphragm
Magnetic Microphone
Max SPL
Blumlein Pairing
31. Bioacoustic Research; Documentary Journalism; Radio; Film/TV Production; Audio Post Production.
Types of Field Recording
Neumann KM 184
Microphone Storage
Percussion Mic Placement
32. Quartz; Barium Titaniate - Tourmaline; Rochelle Salt - and even cane sugar.
Capacitance
Machine Head
Examples of Piezoelectric Material
AKG C1000S
33. Adds two outer right and left rear facing mics to a Decca tree for surround sound depth.
Ribbon Microphone
Speed of Sound Underwater
AKG D36
Fukada Tree
34. 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
Sensitivity
C-Weighting
SPL Meter
35. Small coil of wire wrapped around the plastic or aluminum diaphragm of a dynamic microphone.
Phasing
Microphone Storage
Fundamental Frequency
Voice Coil
36. Term coined by Sir Charles Wheatstone derived from the Greek words 'micro' (small) & 'phon' (sound).
Highpass Filter
Omnidirectional
Examples of Piezoelectric Material
Microphone (Word Etymology)
37. 4800 ft/sec
Neumann KM-84
Speed of Sound Underwater
Bidirectional (Electrical Polar Pattern)
Stereosonic
38. The measuring device used for loudspeaker room response testing.
Real Time Analyzer (RTA)
Theatrophone
AudioTechnica AT4051
Vintage Tube Mic Precautions
39. Occupying the same space and time.
Sealed Ni-Cad Battery
Coincident (Definition)
AKG D12
AKG D36
40. 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.
Blumlein Pairing
Subcardioid (Electrical Polar Pattern)
Phasing
Rear Sensitivity (Relative to Front)
41. Big + & + (More front with less positive rear)
Sensitivity
Subcardioid (Electrical Polar Pattern)
Carbon Microphone
Trumpet Mic Placement
42. - Omnidirectional: 100% - Cardioid: 33% - Supercardioid: 27% - Hypercardioid: 25% - Bidirectional: 33%
Ambient Sound Sensitivity
LRFB
Sennheiser MD421
Pressure Capsules
43. Changes in air pressure from the front or the back can cause polarity cancellation; Sides have good rejection; Natural polar pattern is bidirectional.
Roll-Off
FFT Analyzer
Bass Amp Mic Placement
Pressure Gradient Capsules
44. 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.
M/S Stereo
Ribbon Mic Characteristics
Electro Voice RE20
Sennheiser MD421
45. Used in adverse conditions to protect from elements like sand - or dust.
Neumann U47
Bass Amp Mic Placement
Wind Screens
Over/Over
46. The attachment that holds a microphone in place on the mic stand; Comes in various shapes - sizes - and applications.
Microphone (Definition)
Carbon Microphone Uses
AudioTechnica AT4040
Clip
47. Never store mic in a damp place; Keep dirt & dust away from the mic; Never 'pop' test the mic; Check if a mic is working by lightly scratching the grill.
Shiny Box 46MXL
Ambient Sound Sensitivity
Types of Field Recording
Microphone Care...
48. Shure's ribbon microphone that utilizes Roswellite to prevent ribbon damage.
Electret Condenser
Trumpet Mic Placement
Crystal Mic Damage
Shure KSM-353
49. An instrument for detecting sound transmitted through water commonly manufactured using ceramic piezoelectric material.
Hydrophone
Field Mixer
Striking
Sennheiser e604
50. Modern drummer who has created a large kit and innovated several ways of capturing the sound from his massive kit.
Fingerboard
NOS
Terry Bozzio
A-Weighting