Shared Flashcard Set

Details

Surround Sound
n/a
22
Science
Undergraduate 1
04/30/2013

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Cards

Term
What does LFE stand for?
Definition
Low Frequency Effect
Term
What was the first movie to use Dolby Digital?
Definition
Batman Returns in 1992
Term
What was the first movie to use Surround sound and what was it called?
Definition
Fantasia, Fantasound
Term
3 most common types of encoding/decoding in surround
Definition
Dolby Digital (gold standard)
DTS
THX
Term
What was the configuration for Fantasound?
Definition
6.0- L,C,R,H.L, H.C, H.R) H=House=Rear
Term
Todd AO
Definition
an extremely high definition widescreen film format developed in the mid 1950a. co developed by mike todd, a braodway producer with american optical company in rochester new york. sound format was 6.0
Term
File type should be _________ when bouncing a surround PTs session
Definition
"multiple mono" file type. Gives up 6 individual files
Term
SMPTE is predominantly used in ________
FIlm is used for ______
Definition
SMPTE is predominantly used in Music production/Blu Ray/Video Games
FIlm- film/tv production.
Term
What was the first film to use Dolby Noise Reduction?
Definition
A Clockwork Orange
Term
Quadrophonic
Definition
sound uses four channels in which speakers are positioned at the four corners of the listening space, reproducing signals that are wholly or in apart independent of each other. Used for Music
Term
Cinemascope
Definition
the new wider-screen formats needed multiple channels to fill the entire front field of the movie screen. an array of speakers behind new wide screen format.
Term
Dolby founded by
Definition
ray dolby in england in 1965
Term
It is possible to mix down to surround even if the original recording was not intended for surround. T or F
Definition
True
Term
SMPTE/Film channel Configuration
Definition
SMPTE
Channel 1: Left
Channel 2: Right
Channel 3: Center
Channel 4: LFE
Channel 5: L-S
Channel 6: R-S

Film
Channel 1: Left
Channel 2: Center
Channel 3: Right
Channel 4: Left Surround
Channel 5: R-S
Channel 6: LFE
Term
Bounce out of PTs as
Definition
a "multiple mono" file type. Gives up 6 individual files
24bit/48hz
Term
Sub for Surround sound should be able to handle between __ hz and ___ hz
Definition
20hz and 120hz
Term
Positioning for speakers
Definition
Make sure al speakers are equidistant from each other and from the mix position
All full range speakers should be about eye/ear level from the mixer
Angle Speakers properly in relation to the mixer (anywhere between 35-45 degrees)
Term
Process of calibrating your Protools/Multitrack recorder
Definition
Create a new session in Protools with a mono track. Open the signal generator plugin and assign it to the first mono Output with fader set at Unity.
Signal generator should be set to Sine Wave and Freq. to 1k
Adjust level plugin to -18dB
Take an AC voltmeter and measure across pins 2 and 3 for XLR or across top and ring for TRS. Should read 1.228V +4
Term
Process of calibrating your speaker system
Definition
Used the DigiDesign Calibration session (found in protools utilities and labeled CALIBRATION TEMPLATE)> This will provide you a 1k sine wave at -18db across the first 8 channels of your interface.
Use an SPL mete on C- weighting with a slow scale
Select PINK noise in signal generator and calibrate each individual monitor (average reference is about 85dBSPL)
Term
Two standard versions of surround sound
Definition
SMPTE/ITU (ITU International Telecommunications Union)
FILM 5.1
Term
Divergence
Definition
The amount of signal shared by 2 or more speakers equally.
Term
Bass management
Definition
A routing Scheme used in more consumer system where the low freq. info all five main channels is routed to the subwoofer along with the LFE channel
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