AUDIO ENGINEERING Multiple Choice Questions :-
1. A device that brings an electrical signal from microphone level to line level.
PAD
Bandpass Filter
Preamp
Amplifier
2. Are really rugged… Very sturdy -Takes a really high SPL level – Good: Takes a lot of pressure to make it move – Negative: Drums – Guitar amp – Live singing – inexpensive
Q
Wave Phase
Dynamic Microphones
Condenser Mic
3. Different in charge levels between 2 conductive elements
Voltage
Graphic EQ
White Noise
Supercardiod
4. Needs external power (phantom power 48v) From mixer or mic pre – quality depends on the Voltage (48v or lower) – doesn’t need as much SPL but is more fragile
Audio Envelope
Dynamic Microphones
Condenser Mic
Hypercardiod
5. If the compression ratio is made large enough – the compressor will actually become a limiter (above 4:1) – (electronics) an nonlinear electronic circuit whose output is limited in amplitude
Fundamental
Compression
Limiter
Dynamic Microphones
6. It is used to proportionately reduce the dynamics of a signal that rise above a user- definable level (known as the threshold) to a lesser volume range. (below 4:1)
Compression
Audio Envelope
Capacitor
Preamp
7. Speed of sound. 1130 ft/s
Amplitude
Amplifier
Wave Phase
Audio Velocity
8. Orb around the microphone can hear from any direction.
Q
Mic level
Omnidirectional mic
Preamp
9. A type of noise that is produced by combining sounds of all different frequencies together
Preamp
Audio Velocity
Bidirectional
White Noise
10. Describes bandwith
Directional Response (microphone)
Q
Ribbon Microphone
Condenser Mic
11. Measure of opposition to a sinusoidal alternating current
Condenser Mic
Cardioid mic
Impedance
Mic level
12. Sounds amazing – ribbon is corrugated but the ribbon can break if too loud – auto- compress sounds (all sounds will even out) – output it low – Similar to dynamic mics – but use a thin metal ribbon instead of a moving coil.
Frequency (Hertz)
Graphic EQ
Click Track
Ribbon Microphone
13. Any device used to increase signal level
Condenser Mic
Compression
Amplifier
Amplitude
14. Unit of electrical current
Ampere
White Noise
Voltage
Ribbon Microphone
15. The unit with which frequency is measured
Dynamic Microphones
Audio Envelope
Hertz
Omnidirectional mic
16. Two conductive plates separated by an insulator. Capable of retaining an electrical charge
Capacitor
A/D
Watt
Q
17. Level of signal generated before it is amplified by the pre amp to line level
Bandpass Filter
Mic level
Omnidirectional mic
Gain
18. Cycles sound wave makes in a second. 20 C = 20 Hz 20 -000 C = 20 -000 Hz (20-20 -000 average human ear can hear)
Compression
Audio Frequency
A/D
Bus
19. Picks up sound from front and a little from back of microphone
Hypercardiod
Supercardiod
Bus
Limiter
20. Heart shaped: picks up sound from front of microphone only
Noise Gate
Insert
Cardioid mic
Impedance
21. Picks up sound from front and a little more from back
Hypercardiod
Amplitude
Q
Supercardiod
22. A cable capable of eliminating unwanted noise and hum that might be introduced along its length by carrying two versions of the signal – one with its polarity inverted.
Audio Velocity
Bidirectional
Audio Frequency
Balanced Cable
23. Difference between loudest and quietest SPL
Dynamic Range
Bidirectional
Capacitor
Hypercardiod
24. Signal path in mixer – channels can be routed
Voltage
Click Track
Dynamic Range
Bus
25. Controls level in pre amp
Audio Envelope
A/D
PAD
Audio Velocity
26. Lets frequencies below a certain level
Low Pass Filter
Hertz
Hypercardiod
Audio Envelope
27. Devices for cutting or boosting frequencies within a 3rd of an octave
Graphic EQ
Hypercardiod
Fundamental
Low Pass Filter
28. Unit of power
Watt
Fundamental
PAD
Dynamic Range
29. Shape of sound: Attack – Decay – Sustain – Release (ADSR)
Wave Phase
Audio Envelope
Preamp
Fundamental
30. The directional response of a mic refers to its sensitivity (output level) at various angles of incidence with respect to the front (on – axis) of the microphone
White Noise
Voltage
Directional Response (microphone)
Impedance
31. Loudness or hight of a sound wave – Increase signal level
Graphic EQ
Amplitude
PAD
Click Track
32. Boosts or cuts frequencies around a specified frequency
Bandpass Filter
Frequency (Hertz)
Hypercardiod
Balanced Cable
33. The relationship of two wave forms
Compression
Wave Phase
Condenser Mic
Dynamic Range
34. Picks up sound from front and back of microphone but not the sides.
Bidirectional
Supercardiod
Q
Amplitude
35. Measures the amount of amplitude applied to a signal
Click Track
Gain
Dynamic Range
Cardioid mic
36. A metronomic click used during recording to keep musicians playing in time or audio engineers to set delay timings.
Bidirectional
PAD
Noise Gate
Click Track
37. Analog to Digital
Supercardiod
White Noise
A/D
Audio Velocity
38. When a processor like effects or compression is patched into a channel or group on a mixer/audio console – the processed signal supersedes and replaces the original.
Insert
White Noise
Audio Velocity
Amplifier
39. Lowest frequency in a harmonic series
Hypercardiod
Audio Envelope
Ribbon Microphone
Fundamental
40. Device that mutes a signal when it falls bellow a certain level
Insert
Voltage
Gain
Noise Gate
41. Rate of repetition of periodic motion
Condenser Mic
Frequency (Hertz)
Directional Response (microphone)
Dynamic Range
42. Which one of these is not a Quicktime (.MOV) movie codec?
A.
Apple ProRes
B.
H.264
C.
Photo-Jpeg
D.
AVI
43. What can you NOT do in Pro Tools 9 or 10, non HD.
A.
Import multiple videos into the same session.
B.
Import an OMF.
C.
Export MP3 files.
D.
Bounce to disk.
44. What is the name of the cable that runs from a 192 I/O to the HD Accel card?
A.
Avid Pro Connect
B.
DigiLink
C.
USB
D.
Serial
45. Of what must you be mindful when displaying your reference picture from Pro Tools on an external screen?
A.
Overall volume level.
B.
Maximum total track count.
C.
Video sync offset.
D.
Hardware playback buffer size.
46. At what frequency is the standard reference tone used to calibrate audio equipment?
A.
20kHz
B.
4kHz
C.
20Hz
D.
1kHz
47. The track meters in Pro Tools show what type of levels?
A.
DbVU
B.
DbFS
C.
DbU
D.
DbLKFS
48. How many control values are available for MIDI velocity?
A.
256
B.
128
C.
Infinity
D.
64
49. What can you NOT do with a Time Machine backup on a Mac?
A.
Boot directly from the drive
B.
Restore all system settings
C.
Retrieve files older than 1 week
D.
Exclude some system drives from the backup
50. On a 3-pin XLR cable, pins 1, 2 and 3 carry what voltage on them, respectively?
A.
An XLR cable carries audio, not voltage
B.
Postive, negative, ground
C.
Ground, positive, negative
D.
Ground, negative, positive
51. The poximity effect is:
A.
The number given to an object to gauge its sound absorption ability
B.
The effect on the cochlea incurred when headphones are used too long
C.
The difference in frequency resonance of two closely vibrating objects
D.
The increase in low frequencies resulting from speaking closer to a microphone