1. The maximum signal-to-noise ratio of a signal
is limited by the ________ of a signal processor or
recording medium.
| A. frequency
response |
B. gain
|
C. spectrum
|
D. dynamic
range |
2. Peak levels can be prevented from ________
and thus producing distortion, by using a ________.
First blank
|
A. pitch
shifting |
B. flanging
|
C. modulation
|
D. clipping
|
Second blank
|
A. low-pass
filter |
B. limiter
|
C. expander
|
D. delay line
|
3. Altering the relative levels of a signal,
such as with a limiter, compressor or expander represents a
non-linear process in that the ratio of the output to the
input is no longer proportional. T or F
4. In
compression, levels above the ________ level are reduced by
a given ratio, whereas in an expander, levels below it are
affected.
A. peak
|
B.
threshold
|
C.
background noise |
D.
sustain
|
5. A compressor uses ratios such as
____________.
A. 2:1
|
B. 5:1
|
C. 10:1
|
D. 20:1
|
E. all
of the above
|
6. An expander uses ratios such as ____________.
A. 2:1
|
B. 1:1
|
C. ∞:1
|
D. 1:2
|
7. A limiter may be described as implementing a
ratio of ____________.
A. 2:1
|
B. 1:1
|
C. ∞:1
|
D. 1:2
|
8. An expander with a very high ratio may be
described as a gate. T or F
9. Adjusting the speed with which compression or
expansion "kicks in" is done with the variable called the
________.
A. attack
|
B. sustain
|
C. decay
|
D. release
|
10. Background noise can be minimized with an
expander during all parts of the signal. T or F
11. A multi-band compressor allows different
___________ to be compressed independently.
A.
intensity ranges
|
B.
frequency ranges
|
C. levels
|
D. attack
transients
|
12. Increasing levels below a certain
threshold is called __________.
A.
normalization
|
B. a gate
|
C. an
expander |
D. upward
compression
|
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