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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. Lowest frequency in a harmonic series

2. Signal path in mixer - channels can be routed

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

4. The relationship of two wave forms

5. Controls level in pre amp

6. Measure of opposition to a sinusoidal alternating current

7. Any device used to increase signal level

8. 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)

9. 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.

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

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

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

13. Unit of electrical current

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

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

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

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

18. Difference between loudest and quietest SPL

19. Analog to Digital

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

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

22. 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.

23. 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

24. Describes bandwith

25. Different in charge levels between 2 conductive elements

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

27. Boosts or cuts frequencies around a specified frequency

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

29. 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

30. Speed of sound. 1130 ft/s

31. 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)

32. Rate of repetition of periodic motion

33. 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

34. 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.

35. Unit of power

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

37. Measures the amount of amplitude applied to a signal

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

39. The unit with which frequency is measured

40. Lets frequencies below a certain level

41. 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