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

2. Boosts or cuts frequencies around a specified frequency

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

4. Measures the amount of amplitude applied to a signal

5. Difference between loudest and quietest SPL

6. Controls level in pre amp

7. 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

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

9. 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)

10. Rate of repetition of periodic motion

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

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

13. Different in charge levels between 2 conductive elements

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

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

16. Measure of opposition to a sinusoidal alternating current

17. 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.

18. Speed of sound. 1130 ft/s

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

20. Describes bandwith

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

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

23. Lets frequencies below a certain level

24. 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

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

26. The relationship of two wave forms

27. Analog to Digital

28. 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.

29. Any device used to increase signal level

30. 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)

31. 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

32. The unit with which frequency is measured

33. 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

34. Signal path in mixer - channels can be routed

35. Unit of power

36. 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.

37. Lowest frequency in a harmonic series

38. Unit of electrical current

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

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

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