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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.
Shure Unidyne Series
Vintage Tube Mic Precautions
Stereo
Counterbalance
2. Measurement of Sound Pressure; stated as being N/m2 with a Newton being a measurement of force equal to about 9.8 lbs; Equal to 94dB SPL
Pascals (Pa)
Parabolic Systems
Shure KSM Series
Casing
3. Magnetic field opposite to that which presently exists; Do this on the bottom mic when miking a snare with two mics.
Rear Sensitivity (Relative to Front)
Decca Tree
Pad
Reverse Polarity
4. + (only); (Front capsule alone)
RCA 44BX
Mono
Cardioid (Electrical Polar Pattern)
Measurement Mics
5. The outer covering of a microphone.
Percussion Mic Placement
Condenser Diaphragm
Sennheiser e604
Casing
6. Big + & + (More front with less positive rear)
Subcardioid (Electrical Polar Pattern)
Decca Tree
Near Coincident Pair
Crystal and Ceramic Mic Use
7. Often look like handheld vocal mics; Talk or sing into the end of the microphone.
End Address
Capacitance
SPL Meter
MSM
8. Three or more microphones working together to capture a stereo or surround image of the sound source.
Trumpet Mic Placement
Telefunken ELA- M251
Arrays
Pierre Curie
9. The graphic representation plot of the sensitivity of a microphone from any direction over a 360
RCA 44BX
Lowpass Filter
Parabolic Systems
Polar Pattern
10. Dutch broadcasting stereo mic technique; An X-Y type with the mics 30cm apart and at a 90
NOS
Microphone Care...
Baffle
Coincident Pair
11. 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.
Pressure Gradient Capsules
Rode NT1A
Sealed Ni-Cad Battery
Baffle
12. 4 coincident mics each positioned at 90
LRFB
Protractor & Ruler
Phase Ports
Legs
13. Rotating speaker cabinet design featuring separate treble and bass drivers that can switch speeds; Speaker rotate from front to back creating a Doppler effect; Resulted in new spatial perception for each note. Stereo miked up top and single miked at
Clutch
Angle of Max Rejection
Pressure Capsules
Leslie Cabinet
14. Tube manufactured for the new version of the AKG C12 (called the C12-A); Powered by Norelco.
Spherical Mic
Subkick
Nuvistor Tube
Phase Ports
15. When using two microphones reverse the polarity of the bottom mic.
Pierre Curie
Shiny Box 46MXL
Shure SM57
Snare Drum Mic Placement
16. Condenser; Cardioid; End Address; 48V Required; Manufactured by AudioTechnica; Switchable 80 Hz Hi-Pass Filter; Ideal for professional recording and critical applications in broadcast.
AudioTechnica AT4051
Reisz Marble Mic
Condenser Microphone
Cardioid
17. Device or transducer used for converting sound waves or acoustical energy into electrical energy
Microphone (Definition)
Magnetic Induction Voltage
Pad
Sensitivity
18. Solid state version of the U67.
Wind Screens
Neumann U87
Theatrophone
Trombone Mic Placement
19. Pure polar pattern with which the microphone is equally sensitive in all directions; Great for capturing ambiance or room reverb.
Jecklin Disk
Omnidirectional
Rode NT1A
Condenser Diaphragm
20. Tough & rugged; Can work in extremely high SPL environments; Less responsive to transient frequencies b/c of diaphragm mass is heavier than sound waves.
Dynamic Mic Characteristics
Hypercardioid
NOS
Roll-Off
21. Shure's newer ribbon studio mics; KSM 353 & 313 (Roswellite); KSM 44 - 32 - & 27.
Magnetic Microphone
Faraday Cage
Capacitance
Shure KSM Series
22. An instrument for detecting sound transmitted through water commonly manufactured using ceramic piezoelectric material.
Hydrophone
Cone
Shure Unidyne Series
Dynamic Microphone
23. Fixed plate that is charged with polarized voltage found in condenser mics; Usually constructed of milled brass; Has a number of holes drilled in it to provide damping for diaphragm.
Backplate
Mid/Side
Carbon Microphone Uses
AudioTechnica AT4040
24. German broadcasting stereo mic technique; An X-Y type with the mics 20cm apart and at a 90
Nuvistor Tube
DIN
Terry Bozzio
M/S Stereo
25. Shows the level of self- noise from a microphone's internal electronics; Measured in dB (decibels).
Noise
Supercardioid
Alan Blumlein
Electro Voice RE20
26. Increasing magnetic field strength is the only practical means of increasing output voltage; Conductor movement is limited due to tension of the ribbon; and ribbon length increases lead to a loss of high frequency response.
Max SPL
Subcardioid (Electrical Polar Pattern)
DIN
Increasing Output Voltage in Ribbon Mics
27. DC Voltage Req'd for capsule polarizing voltage and internal mic preamps; 3 sources: External Power Supply Unit (PSU); Phantom Power; Battery.
Matched Pairs
Headstock
DIN
Powering Condenser Microphones
28. 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.
Subcardioid (Electrical Polar Pattern)
Distance Factor (DSF)
Faraday's Law of Magnetic Induction
Cone
29. 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.
Coverage Angle
Trumpet Mic Placement
3:1 Rule
Rode NT1A
30. Part of a mic stand that the mic stands on.
Bidirectional (Electrical Polar Pattern)
Hypercardioid
Legs
Types of Field Recording
31. Another name for condenser microphone.
Capacitor Microphone
Bidirectional
Counterbalance
Harvey Fletcher
32. 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.
Sennheiser e604
Fundamental Frequency
Highpass Filter
Dynamic Mic Characteristics
33. Mid-Section of the mic stand; Includes the clutch.
Neumann CMV3
Fukada Tree
Body
Near Coincident Pair
34. 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'.
AKG C12
Protractor & Ruler
Dynamic Range
Near Coincident Pair
35. Mounts on a single stand to provide for adjustable spacing and angling between mics.
Carbon Microphone
Stereo Bar
Mid/Side
Examples of Piezoelectric Material
36. 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.
Spherical Mic
Guitar Amp Mic Placement
Spaced Pairs
Striking
37. Shure's ribbon microphone that utilizes Roswellite to prevent ribbon damage.
Shure KSM-353
Phase Ports
A-Weighting
Doubling Ribbon Length
38. 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
Pop Filter
SPL Meter
Soundfield
39. The head or top of the guitar where the tuning pegs are located.
Headstock
Protractor & Ruler
Shure SM57
Carbon Microphone Uses
40. The first phantom powered condenser microphone designed for use by Georg Neumann for Norwegian State Television.
Subcardioid (Electrical Polar Pattern)
Magnetic Induction Voltage
Kick Tunnel
Neumann KM-84
41. Considered to be the best mic ever made; VF14 Tube.
Neumann U47
Microphone Care...
Distance Factor
Pressure Gradient Capsules
42. An electrical device characterized by its capacity to store an electric charge;
Ambient Sound Sensitivity
Capacitor
Motor
Sealed Ni-Cad Battery
43. Coincident pairing that is at 90
Spherical Mic
Speed of Sound Underwater
Stereosonic
Vintage Tube Mic Precautions
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.
AudioTechnica AT2020
Mid/Side
Sennheiser MD421
Clip
45. Stereo coincident pairing where the middle mic (usually a cardiod) is facing source and a bidirectional side mic is placed at 90
Mid/Side
Powering Condenser Microphones
Clutch
Types of Pre-Amps for Condenser Mics
46. Electro- acoustic device attached to a transducer that vibrates to receive or produce sound waves which put the device into motion.
DIN
AudioTechnica AT2020
Diaphragm
Faraday's Law of Magnetic Induction
47. - Omnidirectional: 1 - Cardioid: 1.7 - Supercardioid: 1.9 - Hypercardioid: 2 - Bidirectional: 1.7
SPL Meter
Tube Condenser Microphone
Distance Factor (DSF)
Goals of Sound Effects
48. Overall measurement close to the overall sound level in frequency response charts.
C-Weighting
Tuning Keys
Headstock
Fukada Tree
49. Voltage applied to piezoelectric material will cause it to deform or change shape; NO PHANTOM POWER!
Rear Sensitivity (Relative to Front)
Neumann CMV3
Shotgun
Crystal Mic Damage
50. Quartz; Barium Titaniate - Tourmaline; Rochelle Salt - and even cane sugar.
Reverse Polarity
Hypercardioid/Supercardioid (Electrical Polar Pattern)
Examples of Piezoelectric Material
Faraday's Law of Magnetic Induction