Pro Tools: Surround Sound Quiz

Gary May 14, 2016 Test Yourself No Comments

Pro Tools: Surround Sound Quiz

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Welcome to our 30 question long exam on Surround Sound, some questions will be Pro Tools specific and others will be based on general principles.

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Question 1

How does a Dipole speaker differ from a Direct Radiator speaker?

A	They are always smaller than Direct Radiator speakers
B	Feeds the same signal out of phase in two directions
C	Feeds the same signal out of phase in one direction
D	Feeds the same signal in phase in two directions

Question 2

AC-3 coding is commonly referred to as:

A	DTS AH
B	Pro Logic BJ
C	MP3
D	Dolby Digital

Question 3

SACD uses what digital binary encoding method?

A	PCM
B	DSD
C	LPCM
D	WAV

Question 4

What does Lt/Rt stand for?

A	Left Track/Right Track
B	Left Trim/Right Trim
C	Left Total/Right Total
D	Left Turn/Right Turn

Question 5

Why were bit reduction schemes developed for 5.1?

A	Not enough room on available media formats to store multichannel outputs
B	Digital audio sounds better when compressed
C	You can't have lossless multichannel
D	To prevent buffer underruns

Question 6

True or False: Lossless Codecs create smaller files than Lossy Codecs?

A	True
B	False

Question 7

A surround array refers to:

A	None of these
B	A mixing style for 5.1
C	The size of the sweet spot
D	The addition of extra surround speakers to fill the back end of an acoustic space

Question 8

What is DVD-A?

A	Digital Compact Video Standard
B	An MPEG Standard for DVD
C	Digital Video Disc - Alternative
D	An Audio Standard for DVDs

Question 9

True or False: LFE and the Sub are the same thing?

A	False
B	True

Question 10

What does HRTF stand for?

A	Helical Related Timbre Fourier
B	Head Related Timbre Function
C	Head Reacting Transfer Fourier
D	Head Related Transfer Function

Question 11

Using a stereo source or an encoded two-channel source, which of the following can be used to extract five audio channels?

A	Dolby Pro Logic II
B	Heptaphonic
C	Dolby Pro Logic
D	Quadraphonic

Question 12

What is Divergence?

A	A pan control for surround panning
B	Avoiding the .1 channel
C	A width control for surround panning
D	A width control for stereo panning

Question 13

The Surround Panning Grid only appears when...

A	The Relative Read Mode is Enabled
B	Auto Write On Stop is used in connection with the I/O dialog
C	The Relative Write Mode is Enabled
D	A Mono or Stereo channel is routed to a Surround Output Path

Question 14

What is Upmixing?

A	The process of authoring a DVD
B	Creating a mono or stereo master from a Surround mix
C	Creating a Surround mix from a mono or stereo master
D	The process of printing a surround mix

Question 15

What is the maximum number of discrete channels Dolby Digital can produce?

A	3
B	5
C	6
D	4

Question 16

What is the difference between Dolby Digital and Dolby Pro Logic?

A	Dolby Digital is not available in home theater systems
B	Dolby Pro Logic is not available in home theater systems
C	Dolby Digital is Discrete and Pro Logic is Matrixed Surround
D	Dolby Digital is Matrixed and Pro Logic is Discrete surround

Question 17

What is a bass management system?

A	A crossover system that directs low frequency signals into the LFE
B	A 5.1 system with two LFE channels
C	An LFE system which will not allow low frequencies to get to the LFE
D	A 7.1 system with two LFE channels

Question 18

Which movie was the first theatrical surround sound release?

A	North by Northwest
B	Star Wars
C	Fantasia
D	Sound of Music

Question 19

Front-Firing and Down-Firing are types of what?

A	Audio Coding Formats
B	Subwoofer
C	DVD's
D	Amplifiers

Question 20

In the Pro Tools Surround Panner, a Center percentage of 100% will feed how much signal to the Left and Right channel?

A	20%
B	50%
C	0%
D	100%

Question 21

In a 6.1 channel DTS-ES surround, what is the right placement for the surround speakers?

A	One each at front right and front left
B	One on each side of the listener and one at the rear
C	Three Speakers at the rear
D	Two speakers at the rear

Question 22

Explain why the LFE channel is represented by .1

A	Because the LFE channel plays through a subwoofer which can be placed anywhere due to the omnidirectional properties of low frequencies - Nialist Theorem
B	Because the sample rate for this channel is only a fraction of the sampling rate of the principal channels - Nyquist Theorem
C	It is borrowed from the web industry which first used an LFE and called it .1
D	Because the LFE only plays low frequencies as appropriated via channel locks

Question 23

True or False: DVD-V (video) can contain both an AC-3 and a DTS encoded surround mix?

A	False
B	True

Question 24

The Dolby Digital (AC-3) surround standard utilizes how many tracks?

A	6
B	7
C	4
D	8

Question 25

Signal routing choices are defined and edited in what Pro-tools dialog section?

A	Strip Silence Dialog
B	I/O Set-Up Dialog
C	Session Set-up Dialog
D	Automation Configure Dialog

Question 26

LCRS stands for:

A	Left, Center, Right, Surround
B	Left, Center, Right, System
C	Left, Center, Right, Service
D	Left, Center, Right, Sub

Question 27

According to the ITU-775 recommendation, at which angle should the rear left and rear right speakers be placed within a 5.1 system?

A	70°
B	90°
C	10°
D	110°

Question 28

The LFE is defined as

A	Low Frequency Effect
B	Lower Fader Equalizer
C	Low Fact Effect
D	Left Fader Equalizer

Question 29

What is downmixing?

A	The process of summing mono tracks into a multichannel mix (5.1)
B	The process of summing multichannel mixes (5.1) into stereo
C	The process of summing stereo mixes into multichannel mixes (5.2)
D	The process of splitting multichannel mixes (5.1) into mono stems