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audio fundamentals test 4 Flashcards

1
Q

an echo chambers

A

creates natural sounding reverb

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2
Q

this control allows you to control the spatial (stereo/ surround) image of a sound source

A

pan pot

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3
Q

compressors may have a control to set the time it takes for the device to act on the incoming signal when to go above threshold. this control is called?

A

attack time

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4
Q

this type of time processing creates exact replica of input sound

A

delay

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5
Q

what is the Q factor on the EQ in figure?

A

1

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6
Q

the foldback system?

A

routes signal to headphone monitors

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7
Q

what is the cut off frequency

A

100HZ

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8
Q

this type of console wiring is used in professional audio systems because it helps reject noise

A

balanced

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9
Q

an audio bus is?

A

a common signal path for routing

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10
Q

the decay time of reverb is measured by?

A

time it takes to decrease by 60 dB

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11
Q

this console switch allows you to isolate an audio signal

A

solo

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12
Q

location where all devices in studio can be interconnected.

A

patch bay

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13
Q

what is recording consoles first gain?

A

mic preamp

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14
Q

when creating a headphone mix, you want your aux sends to be set as — so that they are independent of console fader?

A

pre fader

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15
Q

the function of pan pot could be to?

A

vary the relative gain being fed to both sides of a set of speakers

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16
Q

a threshold control of a compressor/limiter

A

sets it above which reduction will begin to be applied

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17
Q

could use this type of processor to isolate snare drum so that I don’t hear bleed from other mixes.

A

gate

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18
Q

a console fader is simply a(n)

A

variable resister

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19
Q

this console switch allows you to remove certain audio from mix.

A

cut

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20
Q

what type of filter is shown here

A
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21
Q

forgiven center frequency as the Q grows larger the bandwidth?

A

grows smaller

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22
Q

what control on a compressor tells it how much to attenuate output?

A

compression ratio

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23
Q

the console below has what kind of layout.

A

split?

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24
Q

a compression ratio is a ratio of?

A

input to output

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25
I could use this device to help contain level of Loud portions of a vocal track?
compresser
26
signal flow is?
the path the audio takes through the audio chain
27
AFL, IPL, and PFL are associated with?
solo systems
28
a switch symbol
line not connected
29
filters are usually identified by?
cute off frequency
30
describes flanging effect.
a shifting comb filter with harmonically related null points
31
expander is used to?
control noise and leakage
32
unity gain ratio
1:1
33
compression ratio
2:1
34
limiting ratio
10:1
35
expander?
increases dynamic range
36
noise gate?
sound processor that cuts off the volume of a sound once it passes below a certain volume threshold
37
ducking?
the level of one audio signal is reduced by the presence of another
38
time taken for a compressor to react to increase in signal level?
attack time
39
amount of gain reduction is held constant for a while after signal flow below threshold
hold time
40
time taken for compressor to react to decrease in input level.
release time
41
a filter capable pf attenuating extremely narrow bandwidth of frequencies
notch filter
42
CMR
common mode rejection
43
console numbers
32 X 24 X 2
44
reduce signal from input before it reaches preamp
pad. volume control
45
a knob that is used to adjust level of input signal as it enters the home recording sound mixer.
trim
46
lack of electrical symmetry in a molecule charge differences on opposite ends of structure
polarity
47
circle with line through it
phase reversal
48
amplification and listening system on which recording is cued?
cue system
49
given the following signal levels, what would have lowest voltage?
mic level
50
which would have the second lowest voltage (be in the middle)?
instrument level
51
which would have the highest voltage?
line level signal
52
provides professional references and allows for among other other things, volume automations to be accurately written between console and recording device
SMPTE time code
53
of the 5 main console types, which one doesnt have any audio running through it except maybe a talkback mic and monitor playback
control surface
54
symbol
55
symbol
56
symbol
57
which is not a basic section of audio consoles
surround sound
58
control signal level of outgoing signal on a master bus they are combined from individual channels
the master fade on a console
59
volume control that shifts loudness level between 2 master channels (L & R)
pan pot
60
a 12X48X8 console will have how many multi track busses
48
61
instantaneous transient levels?
peak
62
paramedic means that --- on EQ are variable
level, frequency, and Q
63
line thing
64
line thing
65
a threshold control of a complex limiter
sets the dB level above which compression will begin to be applied
66
time processor effect replicating an instrument playing some part over again
ADT (artificial double tracking)
67
uses electromechanical transducer to create vibration in large piece of metal
plate
68
what brought about the need for developing and applying artificial reverb?
close miking and multi track recording
69
the more reverb used.....
the further away the instrument sounds
70
allows filter freq. to be reproduced by approximately sized drivers
crossover
71
type of audio connection that only has 2 connection points and uses 2 conductor cables:
unbalanced
72
best device ton help calibrate a monitoring system
73
a balanced cable is considered
low impedance or low Z
74
an unbalanced cable is considered
high impedance to high Z
75
balanced has:
3 pins or connectors, needs a 3 conductor cable
76
CMR means=
means that the interface (noise) is picked up by the cable will be rejected by the input
77
pro line level inputs and outputs may be...
balanced or unbalanced
78
consumer and a/v audio gear is almost always
unbalanced
79
pro audio line level inputs and outputs are usually...
balanced
80
bump boxes convert between unbalanced and balances using a --- and results in on level change.
balun (transformer)
81
going from high impedance to low will result in...
level loss and increased noise
82
the native DI box will require -- to operate
power (48 v)
83
most common professional console patch used today?
bantam or TT, smaller than 1/4 inch
84
unbalanced high level speaker connecter with 2,4, or 8 connectors for single amp or bi amped connections
speaking connector
85
multi cable connection device used to run multiple audio signal from stage to sound board in live?
snake
86
in analog consoles, the -- is a patch point within the flow of the model.
insert point
87
most digital meters use -- as a max Ns measure down from there.
0 dBFS (full scale)
88
2 general types of meters
average reading and peak reading
89
process of adjusting balance between frequency and components.
equalizations
90
building blocks of spectrum processors
filters
91
a filter-- certain bands of frequencies
only attenuates
92
filters have 2 parameters
cut off frequency and slope
93
how slope is measured
measured in dB per octave, minimum 6 dB per octave
94
rate @ which frequencies are reduced
slope
95
equalization adds the ability to
boost or cut
96
2 general types off equalization
shelving EQ and peaking EQ
97
location of shelf is called?
turnover frequency
98
how to find bandwidth
subtract lower frequency from higher frequency
99
high Q #
narrow bandwidth
100
low Q #
broad bandwidth
101
sound of analog equalizers determined by...
phase shift
102
defines placement of listener
mix of wet and dry signal
103
defines size of room
pre delay
104
triangle symbol
amplifier
105
circle with a line through it and lines of the side
trim
106
rectangle with line through it
fader
107
processing blocks.
are plug ins on docs
108
circle with two lines crossed in it
pan
109
triangle with arrow
patch point
110
dynamic processing
altering the dynamic range in oder to make it easier ti place in a mix.

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