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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. Stereo configuration using a spaced pair 3-10 feet apart.
Examples of Piezoelectric Material
Cardioid (Electrical Polar Pattern)
AB Stereo
Capacitance
2. Condenser; Cardioid; End Address; Manufactured by Shure; Small condenser design that is great for instrument recording.
Shure KSM Series
SPL Meter
AKG D12
Shure SM81
3. Microphone with 4 large diaphragm condenser capsules; 3 bidirectional and 1 omni; Can be combined to make any polar pattern.
Dynamic Mic Characteristics
Capacitor Microphone
Omnidirectional
Soundfield
4. Shure's newer ribbon studio mics; KSM 353 & 313 (Roswellite); KSM 44 - 32 - & 27.
Phasing
MSM
Shure KSM Series
Model 3B Carbon Microphone
5. Founded AKG at the end of WWII in Austria.
Coincident (Definition)
AKG C414
ORTF
Rudolf Goerike & Ernest Pless
6. Stereo coincident pairing where the middle mic (usually a cardiod) is facing source and a bidirectional side mic is placed at 90
Speed of Sound Underwater
Examples of Piezoelectric Material
Mono
Mid/Side
7. Allows all low frequencies to pass; Blocks the higher frequencies from being processed.
Damping
Shure SM58
Diaphragm
Lowpass Filter
8. First microphone invented by Georg Neumann
Spherical Mic
Reisz Marble Mic
Neumann KM 184
AKG C12
9. German broadcasting stereo mic technique; An X-Y type with the mics 20cm apart and at a 90
Microphone Storage
Off-Axis
DIN
Matched Pairs
10. Condenser; Cardioid; Side Address; 48V Required; Manufactured by AudioTechnica; Ideal for project/home- studio applications; Low price; Remains the low cost performance standard in side- address condenser mics.
Snare Drum Mic Placement
AudioTechnica AT2020
Electro Voice RE20
Pascals (Pa)
11. Sounds that arrive from angles other than the 0
Polar Pattern
Transient Response
Off-Axis
Motor
12. Forward facing bipolar mics spaced 20cm apart.
Faulkner
Pressure Capsules
Shockmount
Tuning Keys
13. Small Diaphragm Electret condensers; Extremely flat frequency response; Omnidirectional pattern.
Measurement Mics
NOS
Trombone Mic Placement
Sennheiser MD421
14. 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
Theatrophone
Neumann KM 184
Distance Factor (DSF)
15. Changes in air pressure from the front or the back can cause polarity cancellation; Sides have good rejection; Natural polar pattern is bidirectional.
Model 3B Carbon Microphone
Max SPL
Pressure Gradient Capsules
Transducer Type
16. Known as 'The Bottle' this was the first mass - produced condenser mic.
Shure Unidyne Series
Neumann CMV3
Field Mixer
AKG C12
17. 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
Cone
Carbon Microphone Uses
Bass Amp Mic Placement
Interference Tube...
18. Modern drummer who has created a large kit and innovated several ways of capturing the sound from his massive kit.
Microphone (Definition)
Types of Pre-Amps for Condenser Mics
Spaced Pairs
Terry Bozzio
19. Determined by: Ribbon Thickness (about 3 to 6 microns); Corrugations/Inch; Tension of the Ribbon.
Ribbon Microphone Sensitivity
Dual Mono
AKG D12
Tuning Keys
20. Digital device used to Fourier Forms; Used to measure the specific number of sine waves in a specific frequency in a specific setting.
MSM
FFT Analyzer
Ribbon Microphone Sensitivity
Nuvistor Tube
21. 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.
Reisz Marble Mic
Off-Axis
Rear Sensitivity (Relative to Front)
Spaced Pairs
22. Three or more microphones working together to capture a stereo or surround image of the sound source.
On -Axis
Motor
Arrays
Faraday Cage
23. 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.
Increasing Output Voltage in Ribbon Mics
Tube Condenser Microphone
Fingerboard
Carbon Microphone
24. Very robust and durable; Used in telephones until 1990's; Currently finds applications for military use.
Carbon Microphone Uses
Altec/Western Electric 639
RFI
Reverse Polarity
25. Demonstrated the first stereophonic transmissions via the Theatrophone in 1881.
Microphone Storage
SASS-P
Clement Ader
Telefunken ELA- M251
26. The reduction in the amplitude of a wave due to the dissipation of wave energy.
Fingerboard
Damping
Shotgun
Headstock
27. Utilized primarily on condenser and ribbon mics to isolate it from vibrations that might otherwise be transmitted to the microphone through the mic stand.
Electret (Word Etymology)
Powering Condenser Microphones
Shockmount
Snare Drum Mic Placement
28. To break down or disassemble any portion of a set or stage set- up.
Faraday Cage
Neumann KM-84
Striking
Polar Pattern
29. 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.
Pressure Gradient Capsules
Transient Response
Binaural Mic
AKG C414
30. 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
Magnetic Induction Formula
Pierre Curie
Omnidirectional (Electrical Polar Pattern)
Binaural Mic
31. Proportional to: Magnetic field strength; Length of the conductor; Velocity of conductor moving through the magnetic field.
Cardioid
Shockmount
Magnetic Induction Voltage
Baffle
32. Used to make sure you have accurate angles & capsule spacing when miking in stereo.
Sennheiser MD421
Protractor & Ruler
Ribbon Microphone Sensitivity
Examples of Piezoelectric Material
33. Method of creating low end effects from a bass drum by creating a tunnel at the mic end thus trapping sound and amplifying low end boost.
Trumpet Mic Placement
Kick Tunnel
Voice Coil
Max SPL
34. The first phantom powered condenser microphone designed for use by Georg Neumann for Norwegian State Television.
Crystal and Ceramic Mic Use
Neumann KM-84
Phase Ports
Subkick
35. The first dynamic microphone with changeable polar patterns.
Powering Condenser Microphones
Shure KSM Series
AKG D36
Dynamic Range
36. Voltage applied to piezoelectric material will cause it to deform or change shape; NO PHANTOM POWER!
Carbon Microphone Uses
Clement Ader
Crystal Mic Damage
Sensitivity
37. Used for stereo miking to ensure correct balance and imaging.
Headstock
Matched Pairs
Binaural Mic
AKG D12
38. Delicate and require extreme care; NO PHANTOM POWER; Becoming more popular than ever because of highly efficient magnets - lower manufacturing costs - and great fidelity.
AKG C1000S
Shockmount
Ribbon Mic Characteristics
Electret (Word Etymology)
39. 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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40. Angle of maximum signal rejection in a microphone polar pattern.
Crystal Mic Damage
Reisz Marble Mic
Null Angle
Side Address
41. 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'.
Shure KSM Series
Goals of Sound Effects
Ribbon Microphone Sensitivity
Near Coincident Pair
42. Magnetic field opposite to that which presently exists; Do this on the bottom mic when miking a snare with two mics.
Fundamental Frequency
Reverse Polarity
A-Weighting
Pascals (Pa)
43. The combination of the ribbon and magnet in a ribbon microphone.
Motor
Damping
Spherical Mic
Bidirectional
44. Dynamic; Cardioid; End Address; Manufactured by Shure; Considered the industry standard for live vocal performance microphones; One of the best- selling microphones in the world.
Shure SM58
Percussion Mic Placement
Roll-Off
MSM
45. Pure polar pattern with which the microphone is equally sensitive in all directions; Great for capturing ambiance or room reverb.
Spherical Mic
Boom Placement Rule
Omnidirectional
Pop Filter
46. The lowest - and usually most intense - frequency of a complex sound; Most often perceived as the sound's basic pitch.
Fundamental Frequency
Faraday Cage
AudioTechnica AT4051
Neumann CMV3
47. Modeled to mimic a human head for extremely good spatialization; Shaped like a human head.
Pickup
Dynamic Mic Characteristics
Binaural Mic
RFI
48. 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.
Microphone Care...
Pad
Omnidirectional
Rudolf Goerike & Ernest Pless
49. The graphic representation plot of the sensitivity of a microphone from any direction over a 360
Polar Pattern
Over/Over
Cone
Tuning Keys
50. Term coined by Sir Charles Wheatstone derived from the Greek words 'micro' (small) & 'phon' (sound).
Microphone (Word Etymology)
Machine Head
Neumann U87
Sealed Ni-Cad Battery