Review 6 -surround sound Flashcards
5.1, 7.1, the .1 references…
the LFE
T or F when mixing music surround sound, it’s best to have all speakers be identical. Why?
Consistency
Define Phantom Center
is when two speakers are used to create the illusion of a third
True Center is…
using one speaker to create the center image
Describe two potential problems w phantom center
a) you have to be in the sweet spot
b) phasing issues
What is the frequency range of the LCR LSR
80-20k
What is the LFE frequency range to the bass management mode?
5hz-120 hz
Define envelope…
cannot pinpoint were the source of the sound is
an example of music based envelopment is…
reverb
an example of film based envelopment
ambiance film score (music)
define localization
you can pinpoint a sound source
give me a music based example of localization
vocals
give me film based example of localization
dialogue
what are the two surround sound for DVD production?
DTS and Dolby Digital
What is the surround sound format for Dolby Digital
.AC3
T or F in feature or drama affects dialogue are rarely centrally positioned
False
Why do we need metadata?
to ensure proper playback
What are the 3 D’s?
Dynamic Range Control
Downmixing
Dialogue Normalization
Give four examples of Metadata
a) copyright
b) LFE channel
c) genre
d) album
Is calibrating the 5 speakers important? Why?
Yes, to ensure proper playback
describe what is going on in base management?
a) Everything below 80hz is taken to the LFE
b) To ensure proper playback
Describe what is happening in the Pro Logic 424 system
decode 4 discreet
encode 2 discreet
Which item in each column requires an encoding decoding process?
All…
DTS
Pro Logic 1
DD
& Pro Logic 2
