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

2. The relationship of two wave forms

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

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

5. Boosts or cuts frequencies around a specified frequency

6. Signal path in mixer - channels can be routed

7. The unit with which frequency is measured

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

9. Analog to Digital

10. Measure of opposition to a sinusoidal alternating current

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

12. Any device used to increase signal level

13. Describes bandwith

14. 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

15. Difference between loudest and quietest SPL

16. 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.

17. 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)

18. Different in charge levels between 2 conductive elements

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. Lets frequencies below a certain level

21. 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

22. Controls level in pre amp

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. Unit of power

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

26. Unit of electrical current

27. Measures the amount of amplitude applied to a signal

28. 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

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

30. 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

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

32. 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.

33. Speed of sound. 1130 ft/s

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

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

36. Lowest frequency in a harmonic series

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

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

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

40. Rate of repetition of periodic motion

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