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AUD101 > Quiz Two > Flashcards

Quiz Two Flashcards

1
Q

What are three main processor categories?

A

Spectrum
Time-Based
Dynamic (Amplitude)

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2
Q

What is a Spectrum Processor; Example?

A

Affects the frequency spectrum of a signal; Ex: EQ

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3
Q

What is a Time-Based Processor; Example?

A

Affects the timing relationship of a (unaffected) ‘Dry’ and (affected) ‘Wet’ signal; Ex: Reverb, Delay

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4
Q

What is a Dynamic/Amplitude Processor; Example?

A

Affects of the volume of a signal; Ex: Compressors, Limiters, Expanders.

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5
Q

What is a Shelving EQ?

A

Increases or decreases amplitude, but gradually shelves at the max level; level remains constant at all frequencies beyond that point.

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6
Q

What is a Fixed Frequency EQ?

A

When the frequency and the bandwidth is preset, or fixed.

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7
Q

What is a Graphic EQ?

A

fixed freq EQ; Has a series of sliders that boost or attenuate the selected frequency.

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8
Q

What is a Parametric EQ?

A

Has continuously variable frequencies and bandwidths. It is possible to change the bandwidth curve to make it narrower or wider.

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9
Q

What are three main types of Filters?

A

HP (High-Pass)
LP (Low-Pass)
BP (Band-Pass)

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10
Q

What is a High-Pass Filter?

A

Removes frequencies below its cutoff frequency.

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11
Q

What is a Low-Pass Filter?

A

Removes frequencies above its cutoff frequency.

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12
Q

What is a Band-Pass Filter?

A

Has a bandwidth parameter to control the width(in octaves) of a passband. Cuts both, lets specified bandwidth of frequencies through.

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13
Q

What are Reverb Parameters?

A

Pre-Delay - Slightly delaying reverb
Decay - how long reverb lasts before it dies.
Diffusion - Boosts thickness of the reverb.

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14
Q

Define the term ‘Delay’.

A

Separate repetition from source signal; feedback adjusts how long it continues to delay

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15
Q

What is Chorusing?

A

When a part of the signal is slightly delayed, then detuned; makes dry signal sound thicker.

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16
Q

Define the term ‘Phasor’ or ‘Phase Shifter’.

A

Shifts the phase of different frequencies in different amounts.

17
Q

What are compression Parameters?

A 
Threshold
Ratio
Attack
Release
Gain
23
Q

Define the term ‘Limiter’.

A

A compressor whose output always stays the same; output stays at the same volume.

24
Q

Define the term ‘Sample Rate’ or ‘Sampling Frequency’.

A

The number of times the analog signal is sampled.

25
Q

Define ‘Bit Depth/Word Length’.

A

32Bits; the number of bits used to represent each instantaneous measurement.

26
Q

What is The Nyquist Theory?

A

The frequency corresponding to half the sampling rate; Example: 48kHz = 24kHz.

27
Q

What is the purpose of the Crossover Network?

A

Divides the frequency spectrum between bass and treble. 2 way, 3 way, and 4 way speakers.

28
Q

What is a Woofer?

A

A driver large enough to reproduce low frequencies.

29
Q

What is a Tweeter?

A

A driver small enough to reproduce high frequencies.

30
Q

What is a Passive Crossover Network?

A

The amplifier is placed before the crossover network, which can create distortion; Amplified together then split.

31
Q

What is an Active Crossover Network?

A

The Crossover precedes the amplifiers. Much less distortion and better power usage. In addition the Transient Response is much better.

32
Q

What are Near Field Monitors?

A

They are specifically designed to be listened to at a very close distance from the engineer and have a well-defined ‘sweet spot’; you hear what is coming out of the speakers directly, without the room acoustics affecting it.

33
Q

What are Soffit-Mounted Speakers?

A

‘Client Pleasers’; Built into the walls of the studio, this speaker can handle very loud volumes.

34
Q

What does MIDI stand for?

A

Musical Instrument Digital Interface

35
Q

Define the term ‘Monophonic’.

A

An instrument that can only play one voice/note at a time.

35
Q

Define the term ‘Threshold.’

A

The level where compression begins.

36
Q

Define the term ‘Polyphonic’.

A

An instrument that can play up to 16 voices/notes simultaneously.

36
Q

Define the term ‘Ratio’.

A

How much is compressed.

37
Q

What are MIDI Channels?

A

Allows you to transmit up to 16 channels of data.

37
Q

Define the term ‘Attack.’

A

Time it takes for compression to begin.

38
Q

What is the MIDI Resolution?

A

Scale 0-127 (128 total, as zero counts as a message. Max Velocity 127.

38
Q

Define the term ‘Release’.

A

When the signal comes down from the Threshold.

39
Q

MIDI Bits protocol?

A

8-Bit Protocol

39
Q

Define the term ‘Gain’.

A

It controls the overall volume.

AUD101 (2 decks)

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