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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. 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.

2. Speed of sound. 1130 ft/s

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

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. Difference between loudest and quietest SPL

6. The relationship of two wave forms

7. Different in charge levels between 2 conductive elements

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

9. Any device used to increase signal level

10. Controls level in pre amp

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

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

13. 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

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

15. Signal path in mixer - channels can be routed

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

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

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

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

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

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

23. 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)

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

25. Unit of electrical current

26. Describes bandwith

27. The unit with which frequency is measured

28. Boosts or cuts frequencies around a specified frequency

29. Analog to Digital

30. 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.

31. 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

32. Lets frequencies below a certain level

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

34. Measure of opposition to a sinusoidal alternating current

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

36. Rate of repetition of periodic motion

37. Measures the amount of amplitude applied to a signal

38. Lowest frequency in a harmonic series

39. 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

40. 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.

41. Unit of power