SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Another name for condenser microphone.
Off-Axis
DIN
Capacitor Microphone
Guitar Amp Mic Placement
2. Stereo configuration using a spaced pair 3-10 feet apart.
Wind Screens
AB Stereo
AudioTechnica AT4051
A-Weighting
3. 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.
Measurement Mics
Microphone Care...
3:1 Rule
Capacitor
4. Tube microphone capable of SPL's over 140dB.
Neumann U67
Stereo Bar
Microphone (Word Etymology)
Spherical Mic
5. Stereo coincident pairing where the middle mic (usually a cardiod) is facing source and a bidirectional side mic is placed at 90
Dynamic Microphone
Hydrophone
Boom
Mid/Side
6. Omnidirectional: 0 - Cardioid: 8 - Supercardioid: 12 dB - Hypercardioid: 6 dB - Bidirectional: 0
M/S Stereo
Pierre Curie
Rear Sensitivity (Relative to Front)
Shure Unidyne Series
7. Part of a mic stand that the mic stands on.
Shure SM57
Neumann KM-84
Faraday Cage
Legs
8. 2 - 4 ft. from player; Placed below the line of sight of the bell - rotated at about 30 degrees off axis - and tilted upward.
Baffle
Measurement Mics
Spaced Pairs
Trombone Mic Placement
9. - Omnidirectional: 1 - Cardioid: 1.7 - Supercardioid: 1.9 - Hypercardioid: 2 - Bidirectional: 1.7
Bidirectional (Electrical Polar Pattern)
Distance Factor (DSF)
Stereo
Mid/Side
10. Shure's ribbon microphone that utilizes Roswellite to prevent ribbon damage.
5 Common Microphone Transducers
Snare Drum Mic Placement
Shure KSM-353
Pressure Gradient Capsules
11. Condenser; Cardioid; Side Address; 48V Required; Large Diaphragm; Manufactured by AudioTechnica; Transformerless circuitry virtually eliminates low- frequency distortion.
Near Coincident Pair
AudioTechnica AT4040
Examples of Piezoelectric Material
3 Voltages for Phantom Power
12. Extremely narrow area of sensitivity in front with extended reach; Also has multiple lobes which vary in position with frequency; Not made from combining pure patterns - but created by using an interference tube.
Altec/Western Electric 639
Shotgun
A-Weighting
Angle of Max Rejection
13. 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.
Shiny Box 46MXL
Interference Tube...
Parabolic Systems
Trumpet Mic Placement
14. Allows all low frequencies to pass; Blocks the higher frequencies from being processed.
Packing
Vintage Tube Mic Precautions
Lowpass Filter
Capacitor
15. The combination of the ribbon and magnet in a ribbon microphone.
Machine Head
AudioTechnica AT4051
Motor
Ribbon Mic Characteristics
16. 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.
Fundamental Frequency
Pop Filter
Voice Coil
Capacitor
17. Coincident pairing that is at 90
Counterbalance
Stereosonic
Magnetic Induction Formula
Over/Over
18. Small Diaphragm Electret condensers; Extremely flat frequency response; Omnidirectional pattern.
Decca Tree
Neumann U87
Phase Ports
Measurement Mics
19. 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.
AKG C414
Phasing
Striking
Motor
20. Sensitive in a narrower pattern in the front than a cardioid and has a prominent/pronounced lobe at rear; Rejects most signals from 110
Null Angle
Machine Head
Hypercardioid
Neumann U87
21. An electrical device characterized by its capacity to store an electric charge;
Capacitor
Dynamic Range
Trombone Mic Placement
AudioTechnica AT4051
22. Raises the body of the microphone increasing height.
Shiny Box 46MXL
Bandpass
Faraday's Law of Magnetic Induction
Clutch
23. Demonstrated the first stereophonic transmissions via the Theatrophone in 1881.
Pop Filter
Clement Ader
Nuvistor Tube
E.C. Wente
24. Omnidirectional: N/ - Cardioid: 180
Hydrophone
Angle of Max Rejection
Sennheiser e604
Binaural Mic
25. Sounds that arrive at the 0
On -Axis
Dynamic Mic Characteristics
Counterbalance
Over/Under
26. Built by AKG for Telefunken and regarded as one of the best vintage condenser microphones ever.
Telefunken ELA- M251
Omnidirectional (Electrical Polar Pattern)
Pascals (Pa)
Shiny Box 46MXL
27. Allows all high frequencies to pass; Blocks the lower frequencies from being processed.
Magnetic Induction Voltage
Highpass Filter
Dynamic Mic Characteristics
Angle of Max Rejection
28. 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.
Phasing
Omnidirectional (Electrical Polar Pattern)
Trumpet Mic Placement
Increasing Output Voltage in Ribbon Mics
29. Big + & - (More front with less opposite rear)
AKG D36
Electret Condenser
Hypercardioid/Supercardioid (Electrical Polar Pattern)
On -Axis
30. Proportional to: Magnetic field strength; Length of the conductor; Velocity of conductor moving through the magnetic field.
AKG D12
Magnetic Induction Voltage
Angle of Max Rejection
Subkick
31. Coincident pairing angled between 90
Percussion Mic Placement
Machine Head
Terry Bozzio
X/Y
32. Tough & rugged microphone that contains an element consisting of a dome- shaped diaphragm and a moving 'voice coil'; Operates on principles of magnetic induction.
Cardioid
Packing
Pressure Capsules
Dynamic Microphone
33. Magnetic field opposite to that which presently exists; Do this on the bottom mic when miking a snare with two mics.
On -Axis
Microphone (Word Etymology)
RFI
Reverse Polarity
34. The moving plate of a condenser capacitor; Constructed of a thin piece of metal or thin plastic - such as Mylar - coated with gold or nickel; .05 - 10 microns thick.
Condenser Diaphragm
Hypercardioid
Coincident (Definition)
Boom Placement Rule
35. Overall measurement close to the overall sound level in frequency response charts.
Subcardioid (Electrical Polar Pattern)
C-Weighting
Soundfield
Polar Pattern
36. The world's first single element cardioid mics.
Baffle
Shure Unidyne Series
Neumann CMV3
Roswellite
37. Mics in which sound waves vibrate a piezoelectric crystal that generates a varying voltage.
Crystal & Ceramic Microphones
Trombone Mic Placement
Real Time Analyzer (RTA)
Magnetic Induction Formula
38. French broadcasting stereo mic technique; An X-Y type with the mics 17cm apart and at a 110
Baffle
ORTF
Roswellite
Voice Coil
39. Often look like large diaphragm studio mics; Talk or sing into the side of the microphone.
Side Address
Carbon Microphone Uses
Subcardioid (Electrical Polar Pattern)
Lowpass Filter
40. Vintage Tube Mics hold voltage after being unplugged; Be sure grounds are connected to power cord and that the charge has left microphone prior to striking.
Terry Bozzio
Vintage Tube Mic Precautions
Transducer Type
Microphone (Word Etymology)
41. Allow sound to reach the rear of the capsule/diaphragm - to create cardioid - supercardioid - and hypercardioid patterns In single capsule pressure gradient microphones.
Bandpass
Doubling Ribbon Length
Phase Ports
Electret (Word Etymology)
42. Shows the total range of the mic's internal pre- amp; Measured in dB (decibels).
Crystal Mic Damage
Theatrophone
Types of Pre-Amps for Condenser Mics
Dynamic Range
43. Electro- acoustic device attached to a transducer that vibrates to receive or produce sound waves which put the device into motion.
Diaphragm
Bidirectional (Electrical Polar Pattern)
SPL Meter
Casing
44. An instrument for detecting sound transmitted through water commonly manufactured using ceramic piezoelectric material.
Pickup
AKG D36
AKG D12
Hydrophone
45. Changes in air pressure from the front or the back can cause polarity cancellation; Sides have good rejection; Natural polar pattern is bidirectional.
Off-Axis
Packing
Bidirectional
Pressure Gradient Capsules
46. Flat plate that controls or directs the flow of sound energy in a crystal/ceramic mic.
Pistonphone
Baffle
Roll-Off
Ribbon Microphone Sensitivity
47. Measurement similar to how our hearing works in frequency response charts.
Striking
Dual Mono
A-Weighting
Coincident (Definition)
48. DC Voltage Req'd for capsule polarizing voltage and internal mic preamps; 3 sources: External Power Supply Unit (PSU); Phantom Power; Battery.
Crystal and Ceramic Mic Use
Blumlein Pairing
Powering Condenser Microphones
Subcardioid
49. Shure's newer ribbon studio mics; KSM 353 & 313 (Roswellite); KSM 44 - 32 - & 27.
Interference Tube...
Microphone (Definition)
Near Coincident Pair
Shure KSM Series
50. Use coincident or near coincident pairings; Too many microphones will cause phasing issues.
Cardioid (Electrical Polar Pattern)
AKG D12
Telefunken ELA- M251
Percussion Mic Placement