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Audio Engineering (Quiz #2)
Audio Processing
Audio Engineering (Quiz #2)Audio Processing
Circle the correct answers or fill in the blanks
1. On a noise gate, the gain reduction will begin when the signal level is above threshold. True or False.
2. A typical ration for a noise gate might be: a) 2:1 b) 20:1 c) 1:2 d) 1:20
3. Give two (2) examples of how you would use a noise gate.
4. Name one example where you might make use of a dynamic processor side chain.
5. Explain how your example (in #4) works?
6. A distinct repeat of a sound is called: a) early reflections b) reverb c) timbre d) echo
7. Human hearing cannot separate a repeat of a sound that comes within _____ of the original sound. a) 20 sec. b) 6 sec. c) 12 ms d) 60 ms
8. To be heard as an echo at least _____ must pass between the original sound and the reflected sound. a) 6 ms b) 2 ms c) 15 ms d) 50 ms
9. Define reverberation (reverb).
10. Define RT60 (Decay time).
11. We can determine the surface textures of a room by the: a) direct sound b) early reflections c) later reflections
12. We can determine the size of room we are in by the: a) direct sound b) early reflections c) later reflections
13. We can determine the location of the sound by the: a) direct sounds b) early reflections c) later reflections
14. The ratio of direct to reflected sound will indicate our _____ to the sound source.
15. A coarse pitch shift will be at least one: a) semi-tone b) whole tone c) cent d) dime
16. A fine pitch shift will be at least one: a) semi-tone b) whole tone c) cent d) dime
17. ADT stands for: a) Adjustable delay time b) Automatic double tracking c) Automatic delay time d) none of these
18. A chorus effect will have: a) constantly varying delay times b) 40 to 60 ms delays c) a delay of over 50 ms d) a recycled and detuned double signal
19. A flanging effect will have: a) constantly varying delay times b) 40 to 60 ms delays c) a delay of over 50 ms d) a recycled and detuned doubled signal
20. The aural exciter effect will add presence to a sound with no apparent increase of: a) level b) pitch c) reverb d) envelope
________________________________________________
*Answers:
1. False
2. d
3. 1) Reduce (or eliminate) unwanted signals (or leakage of sounds) (such as unused Mics on stage or channels on a console) 2) Reduce Amp hiss after finish of guitar solo
4. De-esser
5. An EQ on a compressor of side chain will boost HF (5k ~ 20k); then compressor will only work with HF compressing sibilant sounds such as ’s’, ‘c’, ‘sh’, and ‘ch’. (reduce these (sibilant) sounds) The attack and release time are very short.
6. d
7. c
8. d
9. Multiple random reflective sounds (signals) in a room; these reflected sounds begin after the source has stopped generating sounds.
10. The time for reverberation to decay by 60dB.
11. c
12. b
13. a
14. distance
15. a
16. c
17. b
18. d
19. a
20. a
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