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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. Used to filter heating current in certain mics; Invented by Georg Neumann.
Real Time Analyzer (RTA)
Sealed Ni-Cad Battery
Doubling Ribbon Length
AKG C414
2. Condenser; Cardioid; End Address; 48V Required; Manufactured by AudioTechnica; Switchable 80 Hz Hi-Pass Filter; Ideal for professional recording and critical applications in broadcast.
Supercardioid
C-Weighting
AudioTechnica AT4051
Ambient Sound Sensitivity
3. Delicate and require extreme care; NO PHANTOM POWER; Becoming more popular than ever because of highly efficient magnets - lower manufacturing costs - and great fidelity.
Ribbon Mic Characteristics
Fukada Tree
Subkick
Leslie Cabinet
4. The attachment that holds a microphone in place on the mic stand; Comes in various shapes - sizes - and applications.
Reisz Marble Mic
Neumann U87
Guitar Amp Mic Placement
Clip
5. 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
Over/Under
SPL Meter
Subkick
6. When using two microphones reverse the polarity of the bottom mic.
Soundfield
Snare Drum Mic Placement
Doubling Ribbon Length
Microphone (Word Etymology)
7. Dynamic; Super-Cardioid; End Address; Humbucking Coil; Brilliance Switch; Manufactured by Sennheiser; Acknowledged as the most accurate and versatile dynamic mic available.
Over/Over
Sennheiser MD441
Counterbalance
AudioTechnica AT4051
8. 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'.
Diaphragm
Near Coincident Pair
Bass Amp Mic Placement
Protractor & Ruler
9. 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.
Cone
Tuning Keys
Legs
Stereo Bar
10. Magnetic field opposite to that which presently exists; Do this on the bottom mic when miking a snare with two mics.
AudioTechnica AT2020
Reverse Polarity
Electro Voice RE20
Interference Tube...
11. Moving a conductor (a coil of wire) through a magnetic field will cause a voltage to be induced across the conductor.
12. The measure of how quickly a mic's diaphragm will react when it is hit by an acoustic sound wave.
Fundamental Frequency
Theatrophone
Transient Response
AKG D36
13. EMI employee that was the innovator of many coincident pairing mic techniques; Mid/Side & Blumlein techniques are associated with him.
Alan Blumlein
Arrays
Highpass Filter
Sennheiser MD421
14. Condenser; Cardioid; Side Address; 48V Required; Large Diaphragm; Manufactured by AudioTechnica; Transformerless circuitry virtually eliminates low- frequency distortion.
Spaced Pairs
Pressure Gradient Capsules
AudioTechnica AT4040
Decca Tree
15. Solid state version of the U67.
Clip
Decca Tree
Neumann U87
AKG C12
16. 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.
Goals of Sound Effects
Bass Amp Mic Placement
Nuvistor Tube
Shure SM57
17. Mid-Section of the mic stand; Includes the clutch.
Magnetic Induction Formula
Microphone Care...
C-Weighting
Body
18. 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.
Coincident (Definition)
Fingerboard
Ambient Sound Sensitivity
Transducer Type
19. 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.
Transducer Type
AKG DYN60
Increasing Output Voltage in Ribbon Mics
Hydrophone
20. 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.
Casing
Trumpet Mic Placement
Counterbalance
Georg Neumann
21. Voltage applied to piezoelectric material will cause it to deform or change shape; NO PHANTOM POWER!
Crystal Mic Damage
Microphone (Word Etymology)
On -Axis
Ambient Sound Sensitivity
22. More compelling sound - giving both depth and perspective.
Doubling Ribbon Length
Stereo
Binaural Mic
Piezoelectric Effect
23. 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.
Clement Ader
Stereo
Magnetic Microphone
3:1 Rule
24. Causes an increase in low frequency response as one gets closer to the source.
Condenser Microphone
Coincident Pair
AudioTechnica AT4040
Proximity Effect
25. 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.
SPL Meter
Electro Voice RE20
LRFB
Matched Pairs
26. 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
Subkick
Interference Tube...
Sennheiser e604
Spaced Pairs
27. Sounds that may be broadcast over the radio or internet.
Carbon Microphone
Mono
Increasing Output Voltage in Ribbon Mics
Noise
28. Mounts on a single stand to provide for adjustable spacing and angling between mics.
Tuning Keys
Capacitance
Crystal & Ceramic Microphones
Stereo Bar
29. The tuning machines of a guitar; Part of the tuning key that strings are threaded through and twisted.
Ribbon Microphone Sensitivity
Guitar Amp Mic Placement
Machine Head
Microphone (Definition)
30. 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.
Alan Blumlein
Magnetic Induction Voltage
Pop Filter
Ribbon Mic Characteristics
31. An electrical device characterized by its capacity to store an electric charge;
Real Time Analyzer (RTA)
X/Y
Capacitor
RCA 44BX
32. Measurement of the mic's sensitivity; Measured in mV/Pa (millivolts per Pascal).
MSM
Sensitivity
Terry Bozzio
Microphone (Word Etymology)
33. 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.
Packing
Neumann U47
Dual Mono
Distance Factor
34. Coincident pairing that is at 90
Stereosonic
Crystal and Ceramic Mic Use
Casing
Over/Under
35. E = Blv - e - Electromotive Force (in volts) - B - is the magnetic field strength - l - is the length of the conductor - v - is the velocity of the conductor moving through the magnetic field
Soundfield
Dynamic Range
Carbon Microphone Uses
Magnetic Induction Formula
36. 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.
M/S Stereo
Subcardioid
Condenser Diaphragm
Shiny Box 46MXL
37. Determined by: Ribbon Thickness (about 3 to 6 microns); Corrugations/Inch; Tension of the Ribbon.
Ribbon Microphone Sensitivity
Shockmount
Stereosonic
Pistonphone
38. Will yield a 6dB increase in output - but will cause a loss of high frequency response.
Terry Bozzio
Doubling Ribbon Length
Condenser Diaphragm
Dynamic Range
39. 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.
Lowpass Filter
Trumpet Mic Placement
Subkick
Stereosonic
40. 4 coincident mics each positioned at 90
Sealed Ni-Cad Battery
Ribbon Microphone
Doubling Ribbon Length
LRFB
41. The lowest - and usually most intense - frequency of a complex sound; Most often perceived as the sound's basic pitch.
Headstock
DIN
Fundamental Frequency
Georg Neumann
42. Mics in which sound waves vibrate a piezoelectric crystal that generates a varying voltage.
Bandpass
Crystal & Ceramic Microphones
Faraday's Law of Magnetic Induction
Phasing
43. Quartz; Barium Titaniate - Tourmaline; Rochelle Salt - and even cane sugar.
Fingerboard
Shotgun
Pistonphone
Examples of Piezoelectric Material
44. Allow sound to reach the rear of the capsule/diaphragm - to create cardioid - supercardioid - and hypercardioid patterns In single capsule pressure gradient microphones.
Georg Neumann
Lowpass Filter
RCA 44BX
Phase Ports
45. The head or top of the guitar where the tuning pegs are located.
Capacitance
Headstock
Magnetic Induction Formula
Piezoelectric Effect
46. The first phantom powered condenser microphone designed for use by Georg Neumann for Norwegian State Television.
M/S Stereo
Neumann KM-84
Polar Pattern
Neumann CMV3
47. Allows all high frequencies to pass; Blocks the lower frequencies from being processed.
Hypercardioid/Supercardioid (Electrical Polar Pattern)
Highpass Filter
Motor
Model 3B Carbon Microphone
48. Digital device used to Fourier Forms; Used to measure the specific number of sine waves in a specific frequency in a specific setting.
FFT Analyzer
Jecklin Disk
Capacitor Microphone
AB Stereo
49. Utilized primarily on condenser and ribbon mics to isolate it from vibrations that might otherwise be transmitted to the microphone through the mic stand.
Measurement Mics
Kick Tunnel
Harvey Fletcher
Shockmount
50. Allows all low frequencies to pass; Blocks the higher frequencies from being processed.
Body
Reverse Polarity
Lowpass Filter
Magnetic Induction Formula