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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. Determined by: Ribbon Thickness (about 3 to 6 microns); Corrugations/Inch; Tension of the Ribbon.
Hypercardioid/Supercardioid (Electrical Polar Pattern)
Snare Drum Mic Placement
Sennheiser e604
Ribbon Microphone Sensitivity
2. Device used to calibrate sound pressure measurement devices; Emits a single 1 kHz frequency over a sustained period of time.
Terry Bozzio
Bidirectional
E.C. Wente
Pistonphone
3. Mid-Section of the mic stand; Includes the clutch.
Distance Factor (DSF)
Body
Capacitance
Noise
4. The part of the guitar you turn to tune the strings in order to get the right sound out of the guitar when one plays.
Tuning Keys
AKG C414
Null Angle
Shure KSM Series
5. Allow sound to reach the rear of the capsule/diaphragm - to create cardioid - supercardioid - and hypercardioid patterns In single capsule pressure gradient microphones.
Phase Ports
Fingerboard
Pierre Curie
Sennheiser MD441
6. French physicist who pioneered piezoelectricity.
Transducer Type
Ribbon Microphone
Pierre Curie
Spaced Pairs
7. Bioacoustic Research; Documentary Journalism; Radio; Film/TV Production; Audio Post Production.
Protractor & Ruler
Types of Field Recording
Pascals (Pa)
Electret Condenser
8. Bell Labs scientist that was an innovator of many spaced pair and arrayed miking techniques.
Phasing
Harvey Fletcher
Cardioid
Proximity Effect
9. 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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10. An instrument for detecting sound transmitted through water commonly manufactured using ceramic piezoelectric material.
Arrays
Sennheiser MD441
Hydrophone
Microphone (Word Etymology)
11. Filters only the bandwidth of frequencies that are supposed to (or allowed) to pass through; High and Low Pass are examples.
Ribbon Microphone
Pierre Curie
Bandpass
Subkick
12. Commonly found in acoustic guitar pickups; Ceramic piezoelectric material is used in hydrophones (underwater mics) because of durability.
Crystal & Ceramic Microphones
Crystal and Ceramic Mic Use
Capacitance
Condenser Microphone
13. 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.
DIN
Types of Field Recording
Sennheiser MD421
Types of Pre-Amps for Condenser Mics
14. Configured to simulate the spacing and directivity of human hearing; Box shape with two 'ears' on each side.
SASS-P
Model 3B Carbon Microphone
Subcardioid (Electrical Polar Pattern)
Shure SM58
15. The lowest - and usually most intense - frequency of a complex sound; Most often perceived as the sound's basic pitch.
Packing
Fundamental Frequency
Subcardioid
Protractor & Ruler
16. Solid State and Tube.
Types of Pre-Amps for Condenser Mics
Striking
Capacitance
AKG C414
17. Coincident stereo miking techniques that has two microphone diaphragms occupying (as near as possible) the same space; Capsules often on top of each other; Not good for noisy locations.
Microphone (Definition)
Field Mixer
Capacitor
Coincident Pair
18. Cable wrapping method that reduces interference and makes it easier to unravel the cable.
Over/Under
Mid/Side
Trumpet Mic Placement
Phasing
19. 2 - 4 ft. from player; Placed below the line of sight of the bell - rotated at about 30 degrees off axis - and tilted upward.
Decca Tree
SPL Meter
Measurement Mics
Trombone Mic Placement
20. 4800 ft/sec
Speed of Sound Underwater
Harvey Fletcher
AKG DYN60
AKG D12
21. Sounds that arrive at the 0
Diaphragm
On -Axis
Legs
Faraday's Law of Magnetic Induction
22. The first AKG dynamic microphone.
Neumann KM-84
Shure SM57
Carbon Microphone
AKG DYN60
23. Cable wrapping method that keeps every coil on top of the next; May cause interference and tiny curls or tangles.
Bidirectional
Field Mixer
Frets
Over/Over
24. To capture two perspectives on the same sound.
Dual Mono
Capacitor
Counterbalance
AKG D12
25. Coincident pairing that is at 90
Wind Screens
Mid/Side
Shiny Box 46MXL
Stereosonic
26. The combination of the ribbon and magnet in a ribbon microphone.
Motor
Shotgun
Cardioid
Faraday Cage
27. 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.
Voice Coil
AudioTechnica AT2020
Stereo Bar
Georg Neumann
28. Mounts on a single stand to provide for adjustable spacing and angling between mics.
Stereo Bar
Motor
Hydrophone
Proximity Effect
29. 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
Neumann KM 184
AKG C414
Faraday Cage
Powering Condenser Microphones
30. 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.
Reisz Marble Mic
Wind Screens
SPL Meter
Condenser Microphone
31. Condenser; Cardioid; End Address; 48V Required; Manufactured by AudioTechnica; Switchable 80 Hz Hi-Pass Filter; Ideal for professional recording and critical applications in broadcast.
Ambient Sound Sensitivity
AudioTechnica AT4051
Coincident (Definition)
Counterbalance
32. Commonly utilize large diaphragm dynamic mics.
Microphone (Definition)
Bass Amp Mic Placement
Wind Screens
Magnetic Induction Formula
33. Shows the max sound pressure level possible with a certain amount of distortion; Measured in dB (decibels).
Measurement Mics
Max SPL
Body
Omnidirectional (Electrical Polar Pattern)
34. Close mic placement can help guard again bleed from other instruments and takes advantage of proximity effect; Center of cone = Brighter; Outside of cone = Darker; Reflections can create phase issues (can be reduced by putting the cabinet at an angle
Guitar Amp Mic Placement
Rudolf Goerike & Ernest Pless
Coincident (Definition)
Shotgun
35. One of the world's greatest condenser microphones prized for the CK12 capsule.
AKG C12
5 Common Microphone Transducers
Faraday Cage
Dynamic Range
36. Shows the level of self- noise from a microphone's internal electronics; Measured in dB (decibels).
Noise
Shure SM57
Near Coincident Pair
Sennheiser MD441
37. Big + & + (More front with less positive rear)
Shure KSM-353
Highpass Filter
Examples of Piezoelectric Material
Subcardioid (Electrical Polar Pattern)
38. 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.
Goals of Sound Effects
Backplate
Kick Tunnel
Trumpet Mic Placement
39. The first dynamic microphone with changeable polar patterns.
Pad
AKG D36
5 Common Microphone Transducers
3 Voltages for Phantom Power
40. Verify that the boom is placed over a microphone leg prior to use to provide added balance and stability.
Spherical Mic
Capacitor Microphone
Boom Placement Rule
Nuvistor Tube
41. Shure's newer ribbon studio mics; KSM 353 & 313 (Roswellite); KSM 44 - 32 - & 27.
Pop Filter
Coincident (Definition)
Tuning Keys
Shure KSM Series
42. Term coined by Sir Charles Wheatstone derived from the Greek words 'micro' (small) & 'phon' (sound).
Dynamic Range
C-Weighting
Microphone (Word Etymology)
Pressure Capsules
43. Captures sounds arriving 90
Parabolic Systems
LRFB
AKG DYN60
Pad
44. The arm of the mic stand; Includes the angle adjust & telescopic adjust.
Blumlein Pairing
Boom
Roswellite
Over/Under
45. Device or transducer used for converting sound waves or acoustical energy into electrical energy
Telefunken ELA- M251
Soundfield
Microphone (Definition)
Dynamic Mic Characteristics
46. Built by AKG for Telefunken and regarded as one of the best vintage condenser microphones ever.
On -Axis
Bidirectional (Electrical Polar Pattern)
Telefunken ELA- M251
Shiny Box 46MXL
47. Shows the total range of the mic's internal pre- amp; Measured in dB (decibels).
AudioTechnica AT4051
LRFB
Dynamic Range
Jecklin Disk
48. A gradual - continuous decrease in low frequency response.
AKG DYN60
Roll-Off
Ribbon Mic Characteristics
Leslie Cabinet
49. When using two microphones reverse the polarity of the bottom mic.
Snare Drum Mic Placement
Dynamic Microphone
Baffle
Shure KSM-353
50. EMI employee that was the innovator of many coincident pairing mic techniques; Mid/Side & Blumlein techniques are associated with him.
Examples of Piezoelectric Material
Faraday's Law of Magnetic Induction
Alan Blumlein
AKG D36