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Audio Engineering

Subject : engineering
  • Answer 41 questions in 15 minutes.
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  • Match each statement with the correct term.
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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. Any device used to increase signal level

2. Lets frequencies below a certain level

3. Device that mutes a signal when it falls bellow a certain level

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

5. Unit of power

6. 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

7. Describes bandwith

8. Loudness or hight of a sound wave - Increase signal level

9. Picks up sound from front and a little more from back

10. Two conductive plates separated by an insulator. Capable of retaining an electrical charge

11. 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.

12. Different in charge levels between 2 conductive elements

13. 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)

14. Picks up sound from front and back of microphone but not the sides.

15. Measures the amount of amplitude applied to a signal

16. Speed of sound. 1130 ft/s

17. 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

18. Controls level in pre amp

19. Level of signal generated before it is amplified by the pre amp to line level

20. Analog to Digital

21. Devices for cutting or boosting frequencies within a 3rd of an octave

22. 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.

23. 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.

24. Lowest frequency in a harmonic series

25. 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)

26. Heart shaped: picks up sound from front of microphone only

27. Picks up sound from front and a little from back of microphone

28. A device that brings an electrical signal from microphone level to line level.

29. Boosts or cuts frequencies around a specified frequency

30. Signal path in mixer - channels can be routed

31. Rate of repetition of periodic motion

32. Orb around the microphone can hear from any direction.

33. The relationship of two wave forms

34. Difference between loudest and quietest SPL

35. A metronomic click used during recording to keep musicians playing in time or audio engineers to set delay timings.

36. Measure of opposition to a sinusoidal alternating current

37. Unit of electrical current

38. A type of noise that is produced by combining sounds of all different frequencies together

39. 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

40. Shape of sound: Attack - Decay - Sustain - Release (ADSR)

41. The unit with which frequency is measured