Review 6 -surround sound

Question 1

5.1, 7.1, the .1 references…

Answer 1

the LFE

Question 2

T or F when mixing music surround sound, it’s best to have all speakers be identical. Why?

Answer 2

Consistency

Question 3

Define Phantom Center

Answer 3

is when two speakers are used to create the illusion of a third

Question 4

True Center is…

Answer 4

using one speaker to create the center image

Question 5

Describe two potential problems w phantom center

Answer 5

a) you have to be in the sweet spot

b) phasing issues

Question 6

What is the frequency range of the LCR LSR

Answer 6

80-20k

Question 7

What is the LFE frequency range to the bass management mode?

Answer 7

5hz-120 hz

Question 8

Define envelope…

Answer 8

cannot pinpoint were the source of the sound is

Question 9

an example of music based envelopment is…

Answer 9

reverb

Question 10

an example of film based envelopment

Answer 10

ambiance
film score (music)

Question 11

define localization

Answer 11

you can pinpoint a sound source

Question 12

give me a music based example of localization

Answer 12

vocals

Question 13

give me film based example of localization

Answer 13

dialogue

Question 14

what are the two surround sound for DVD production?

Answer 14

DTS and Dolby Digital

Question 15

What is the surround sound format for Dolby Digital

Answer 15

.AC3

Question 16

T or F in feature or drama affects dialogue are rarely centrally positioned

Answer 16

False

Question 17

Why do we need metadata?

Answer 17

to ensure proper playback

Question 18

What are the 3 D’s?

Answer 18

Dynamic Range Control
Downmixing
Dialogue Normalization

Question 19

Give four examples of Metadata

Answer 19

a) copyright
b) LFE channel
c) genre
d) album

Question 20

Is calibrating the 5 speakers important? Why?

Answer 20

Yes, to ensure proper playback

Question 21

describe what is going on in base management?

Answer 21

a) Everything below 80hz is taken to the LFE

b) To ensure proper playback

Question 22

Describe what is happening in the Pro Logic 424 system

Answer 22

decode 4 discreet

encode 2 discreet

Question 23

Which item in each column requires an encoding decoding process?

Answer 23

All…

DTS
Pro Logic 1
DD
& Pro Logic 2