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58 Dolby
®
DP570 Multichannel Audio Tool User’s Manual
Using the DP570 in Master Control Typical Activities
Figure 8-1 Typical Master Control Setup
8.2 Typical Activities
Withinamultichannelmastercontrolenvironment,itisnecessarytoexperiencethe
program,bothpictureandaudio,inascloseafashionaspossibletohowaviewerwillsee
itinthehome.TheDP570providesaquickandaccuratemethodtoemulateaviewerʹs
listeningenvironmentsothat
amastercontroloperatorcanrespondquicklytoviewer
complaintsortroublewiththeincomingsignal.
8.2.1 Monitoring Downmixes
AchiefpurposeoftheDP570inamastercontrolenvironmentistoprovidedownmixing
emulation.Forexample,amastercontroloperatorcanquicklyassessiftheannouncerʹs
voiceduringaliveeventwillbedrownedoutwhentheoriginal5.1audiochannelsare
downmixedtoastereosignal,by
simplyselectingStereowithintheDownmixsectionof
theremoteapplicationshowninFigure 8‐2.
VTR
Server
or
IRD
DP572
Digital
Audio
Outputs
Main
In
Video
Ref
Audio
3/4
1/2
3/4
5/6
Master
Control
Metadata
In
Metadata
Out
DP571
Digital
Audio
Inputs
Metadata
In
Video Ref
1/2
3/4
5/6
DP570
Digital
Audio
Inputs
Digital
Emulator
Outputs
or
optional
Analog
Outputs
Router
Outputs
1/2
3/4
5/6
Metadata
In
Digital
Audio
Outputs
L/R
Ls/Rs
C/SW
Dolby E
MPEG
Encoder
Main
In
5.1-Channel Monitor
R
C
L
SW
Rs
Ls
Metadata
Out
Metadata
Out
Video Ref