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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. Difference between loudest and quietest SPL

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

3. Any device used to increase signal level

4. Analog to Digital

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

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

7. Describes bandwith

8. Controls level in pre amp

9. Measure of opposition to a sinusoidal alternating current

10. 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

11. Rate of repetition of periodic motion

12. 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

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

14. Unit of electrical current

15. Measures the amount of amplitude applied to a signal

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

17. The unit with which frequency is measured

18. 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.

19. 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)

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

21. The relationship of two wave forms

22. Speed of sound. 1130 ft/s

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

24. 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.

25. 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.

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

27. Lowest frequency in a harmonic series

28. Different in charge levels between 2 conductive elements

29. Unit of power

30. Lets frequencies below a certain level

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

32. Signal path in mixer - channels can be routed

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

34. 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

35. 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

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

37. Boosts or cuts frequencies around a specified frequency

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

39. 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)

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

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