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Phase 2 > Phase 2 Study Guide > Flashcards

Phase 2 Study Guide Flashcards

1
Q

The sampling frequency should be at least twice the highest frequency contained in the analog signal describes what?

A

The Nyquist Theorem

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2
Q

What electronic component is used for extremely accurate timing in digital audio devices?

A

Crystal Oscillator

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3
Q

The following describes what cable configuration? Two wires in our cable carry a positive and negative signal, which is the same signal but polarity reversed. The positive signal is connected to pin 2 and the negative is connected to pin 3. The pin 2&3 terminals are put back in phase with one another at the preamplifier, which cancels out the noise but amplifies the signal. The twisted pair is designed to minimize EMI and RFI noise. A ground lead, connected to pin 1, minimizes any capacitance interference from nearby circuits by filtering the capacitance into the earth through a copper lead sunk into the earth.

A

Balanced cable

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4
Q

This scenario best describes what artificial effect? An amplified aux send is sent to a speaker in a room designed to produce a certain amount of reflections. Two microphones, a left and a right, are used to capture the reverberations in the room and added to the original audio. The captured reverb is our wet signal and the original is considered our dry signal.

A

Recording echo chamber

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5
Q

An obtuse low level noise caused by decreasing the bit depth in a digital audio signal describes what?

A

Quantization noise

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6
Q

What is the function of a compressor?

A

Reduces dynamic range

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7
Q

What is the function of a high pass filter?

A

Attenuates audible content below a cutoff frequency

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8
Q

Pin 3 on a balanced cable carries what signal?

A

Negative

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9
Q 
Select the sonic characteristics that describe a VCA compressor 
Dirty
Clean
Organic
Slow
Fast
A

Fast and clean

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10
Q

What analog artificial effect uses a spring to create artificial reverberation?

A

Spring Reverb

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11
Q 
Select all of the solid state amplifiers from the list:
Anode
Transistor
Transformer
OpAmp
Triode
A

Transistor, Transformer and OpAmp

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12
Q

This type of amplifier boosts an unbalanced, high impedance, instrument level signal to a balanced, low impedance, mic level signal or can convert a low impedance, line level signal to a mic level signal.

A

DI box

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13
Q

The quality of the sample in a digital signal is determined by what?

A

The sample rate

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14
Q

What is the second step to digitization?

A

Quantization

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15
Q

Pin 2 on a balanced cable carries what signal?

A

Positive

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16
Q

What rare type of jitter is similar to a warped record?

A

WOW jitter

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17
Q

How long can an unbalanced cable be before serious noise discrepancies occur?

A

15’

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18
Q

What sonic characteristic do solid state amplifiers have?

A

Clean

19
Q

What analog electric artificial effect uses a plate of sheet metal inside a wooden box?

A

Plate reverb

20
Q

What cable type and connector is used on a microphone?

A

Female XLR balanced

21
Q

What engineer used the first echo chamber for recording?

A

Bill Putnam

22
Q

Vibrato is the variation in the volume of a signal. True or False?

A

False

23
Q

What cable type and connector is used for an acoustic guitar?

A

TS unbalanced

24
Q

What is the first step to digitization?

A

Sample the audio

25
Q

What are echo chambers primarily used for today?

A

Impulse response

26
Q

An audible discrepancy that occurs in digital audio systems due to incorrect timing placement of samples describes what?

A

Jitter

27
Q

Select the sonic characteristics that describe an Opto compressor.

A

Slow and organic

28
Q

Select the sonic characteristics that describe a FET style compressor.

A

Fast and dirty

29
Q

What type of amplifier is used inside a passive DI box?

A

Transformer

30
Q

Tremolo is the variation in the volume of a signal. True or False?

A

True

31
Q

The quality of the quantization in a digital signal is determined by what?

A

The bit resolution or the word length

32
Q

What type of track in pro tools is recommended for using a reverb plugin?

A

Aux track

33
Q

What electrode in a vacuum tube is used to boil the electrons?

A

Cathode

34
Q

This type of amplifier boosts a mic level signal to a line level signal. This amplifier is also responsible for supplying DC voltage to externally polarized microphones and active DI boxes.

A

Mic preamp

35
Q

What sonic characteristic do tube amplifiers have?

A

Warm

36
Q

The time it takes a signal to fall 60dB down from its highest amplitude is known as what?

A

RT60

37
Q

How many peaking filters are usually in a parametric EQ?

A

3

38
Q

How many shelving filters are in a parametric EQ?

A

2

39
Q

Pin 1 on a balanced cable carries what signal?

A

Ground

40
Q

What type of amplifier is used inside of a solid state, active DI box?

A

OpAmp

41
Q 
Select the lossless audio file formats:
AIFF
WAV
ALAC
MP3
FLAC
A

ALAC & FLAC

42
Q

What type of time based processing plugin can be used for quick, “on the fly” effects editing in pro tools?

A

RTAS

43
Q 
Select the Lossy audio file formats:
MP3 
FLAC
AIFF
AAC
WAV
A

MP3 and AAC

Phase 2 (6 decks)

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