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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. Boosts or cuts frequencies around a specified frequency

2. Measure of opposition to a sinusoidal alternating current

3. Measures the amount of amplitude applied to a signal

4. 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

5. 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.

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

7. Unit of power

8. Controls level in pre amp

9. Lowest frequency in a harmonic series

10. Analog to Digital

11. Different in charge levels between 2 conductive elements

12. Any device used to increase signal level

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

14. Speed of sound. 1130 ft/s

15. 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.

16. 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.

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

18. Unit of electrical current

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

20. 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

21. 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)

22. Signal path in mixer - channels can be routed

23. 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

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

25. Lets frequencies below a certain level

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

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

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

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

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

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

32. 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

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

34. The unit with which frequency is measured

35. Describes bandwith

36. 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)

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

38. The relationship of two wave forms

39. Difference between loudest and quietest SPL

40. Rate of repetition of periodic motion

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