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Audio Basics Test-Out
For those with prior audio experience who wish to take the Live Sound 1 + 2 classes.
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What are sound waves?
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2 points
Radio waves
Vibrations of molecules
Electronic signals
Vibrating strings
What characteristic of a waveform relates to loudness?
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2 points
Frequency
Volume
Amplitude
Length
What characteristic of a waveform relates to pitch?
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2 points
Amplitude
Volume
Length
Frequency
What is acoustics?
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2 points
Reflections within a space
Amplifier maximum output
The study of electricity
The quality of audio
Raising the gain of an input signal is a change in what?
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2 points
Acoustics
Voltage
Bit depth
Wavelength
What are the 3 main stages of voltage?
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2 points
Mic, gain, signal
Level, line, speaker
Mic, line, speaker
Line, level, gain
What unit is used for measuring the relative level of sound pressure?
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2 points
Frequency
Decibel
Gain
Volume
What is the unit of measurement for frequency?
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2 points
Decibel
Pitch
Volume
Hertz
What is the term for the path an audio signal will take from the source through to the speaker or recording device?
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2 points
Signal flow
Signal gain
Signal train
Signal wire
Active speakers contain what differentiator from passive speakers? (select all that apply)
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2 points
Monitor Button
Compression Potentiometer
Power Amplifier
Bus
Other:
Required
What is impedance?
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2 points
Maximum gain on a channel
Focal point of a wave
Resistance to electrical current
Requirement of phantom power
Which of the following audio cables are balanced? (select all that apply)
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2 points
RCA
XLR
TS
TRS
Required
What does a typical DI Box accomplish? (select all that apply)
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2 points
Turns an unbalanced signal into a balanced signal
Turns a balanced signal into an unbalanced signal
Changes impedance from high to low
Changes 1/4" to XLR
Required
What type of connector is this?
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2 points
RCA
TRS
XLR
IEC
Other:
What type of cable is this?
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2 points
XLR
TS
TRS
RCA
What type of cable is this?
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2 points
TRS
IEC
RCA
XLR
What type of cable is this?
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2 points
XLR
RCA
IEC
NL4
What type of cable is this?
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2 points
RCA
IEC
PowerCon
NL4
What type of cable is this?
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2 points
NL4
RCA
TRS
TS
What is this called?
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2 points
NL4
TRS
Snake
Patchbay
What is PFL stand for on audio mixers?
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2 points
Post fader level
Pre fader lock
Pre fader listen
Post fader listen
What is used to raise the voltage of a microphone level signal?
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2 points
Transducer
Microphone
Sound waves
Pre-amplifier
What is the range of human hearing?
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2 points
12Hz - 12,000Hz
20Hz - 20,000Hz
40Hz - 40,000Hz
100Hz - 1,000Hz
Which of the following microphones require power? (select all that apply)
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2 points
SM58
Dynamic
e604
Condenser
Required
How many volts do these powered microphones require?
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2 points
78v
74v
32v
48v
Most microphones utilize what kind of cable?
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2 points
TRS
RCA
NL4
XLR
How many pins do these microphone cables have?
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2 points
1
2
3
4
Stage monitors should always be placed where in relation to the PA system?
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2 points
In front of
Behind
What type of 1/4" cable is unbalanced?
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2 points
XLR
TS
TRS
RCA
What kind of graph shows the level of each frequency that a microphone picks up?
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2 points
Polar response
Frequency pattern
Level graph
Frequency response
Which characteristic determines how a microphone directionally picks up sounds around it?
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2 points
Frequency pattern
Polar pattern
Decibel pattern
Phantom power
What kind of polar pattern is this?
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2 points
Bidirectional
Super cardioid
Omnidirectional
Cardioid
What kind of polar pattern is this?
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2 points
Omnidirectional
Bidirectional
Cardioid
Hyper cardioid
What type of audio effect adds the ambience of a space to a given sound?
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2 points
Compression
Gain
Reverb
Chorus
What audio effect sounds like an echo?
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2 points
Reverb
Delay
Chorus
Compression
What are some responsibilities of a front of house engineer? (select all that apply)
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2 points
Soundcheck artists
Provide guitars to band
Tune drum heads
Recognize and address feedback
Tune PA system
Required
What are some responsibilities of a monitor engineer? (select all that apply)
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2 points
Recognize and address feedback
Mix sound for the audience
Mix sound for the artists
Tune PA system
Soundcheck artists
Required
What are some tools you should always bring to work as a live sound engineer? (select all that apply)
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2 points
Oscillioscope
Dictionary
Multitool
Sharpie
Socket wrench
Required
What does compression do?
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2 points
Increases the dynamic range of a signal
Adds reverb to a signal
Decreases the dynamic range of a signal
Changes frequency response of a signal
What happens when you 'clip' an audio signal?
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2 points
Decreases compression
Causes distortion
Improves quality
Adds voltage
What does DAW stand for?
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2 points
Digital Audio Workshop
Digital Analyzer Workstation
Digital Audio Work
Digital Audio Workstation
What does a transducer do?
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2 points
Converts energy from one form to another
Converts XLR to NL4
Improves audio quality
Changes direction of current
What are some common uses for a mixer's aux send? (select all that apply)
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2 points
Stage monitors
Recording devices
Headphones
In ear monitors
Required
What is an FX send on a mixer commonly used for?
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2 points
Stage monitors
Outboard FX
Amplifiers
Headphones
What does MIDI stand for?
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0 points
Musical Instruction Direct Interface
Musical Instrument Digital Interface
Music Instrument Digital Instruction
Musician Intro Direct Injection
What is multi-tracking?
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2 points
Mixing a live set
Recording one source
Playing back a DJ set
Recording multiple sources at once
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