- Dolby Multichannel Audio Tool User's Manual

26 Dolby
®
DP570 Multichannel Audio Tool User’s Manual
Using the DP570 Features
4.3.3 Using External Metadata
Whenusingexternalmetadata,makecertainthatthevaluesarecorrectfortheprogram.
Particularlywhenyouuseexternalprogramconfigurations,itisimportanttoensurethat
thenumberofprogramsandthenumberofchannelsineachprogramarecorrectlyset.
MonitoringwiththeDP570shouldalertyoutoany
problems.
Example 2—Adding a Second Program or Changing a Program
SignalandmetadataflowfromthisexampleareshowninFigure 4‐2 .
We’llassumeyoureceivea5.1‐channelprogramencodedinDolbyE,andyouwantto
createastereo‐compatiblemixforitandreencodebothontoanotherDolbyEmaster.Inthis
casethemetadataforthesecond
programdoesnotyetexist,butyouwanttoretainthe
metadatafromthefirstprogram.Furthermore,theprogramconfiguration fromthe
originalstreammust bechangedbecauseitindicatesasingle5.1programinsteadofthe
5.1+2configurationyouarecreating.
Afteryoucreatethestereomix,youreencode
the5.1‐channelprogramalongwiththe
stereoprogramusingaDP571.
Tomonitorthereencodedprogram:
1. ClicktheIntradiobuttontoselectaninternalprogramconfigurationsource,and
choose5.1+2fromthedrop‐downlistinFigure 2‐2.
2. SelecteitherexternalmetadatasourceforProgram1.
3. ClickProgramSelectbutton
2 inthesoftware.
4. ClickInttoselectaninternalprogrammetadatasource,andselecttheparametersfor
thesecondprogrammetadata.
Figure4‐2 
Figure4‐3 
Figure 4-2 Adding a Second Program
DP572
DP570
DP571
Digital
Output
Router
Output
Metadata Out
Digital
Input
Metadata
In
Metadata
In
Metadata
Out
Digital
Input
Metadata Adjustment
• Change Program Config
to 5.1+2 (internal source)
•
Set parameters for new
two-channel program
D 563P
In
Out
6
5.1 5.1+2
8
2