Dolby Laboratories DP570 Using the DP570 Features

Dolby® DP570 Multichannel Audio Tool User’s Manual 23
Chapter 4
Using the DP570 Features
ThischaptercoverseachdistinctfeatureoftheDP570indetail.Themainpowerofthe
Dolby®DP570isitsabilitytoacceptanyprograminputandplayitbackoverany
combinationofspeakeroutputsusinganycombinationofmetadataparameters.Thismain
powerisbackedupbyitsabilitytoadjustvirtuallyanyofthosevariablesonthefly.
Asyoulisten,youcantestyourmixindifferentnumbersandqualitiesofspeaker,in
differentnumbersofchannels,withdifferentsurrounddecodingstrategiesapplied.
Asyoutest,youcanadjustmetadataparameterstooptimizethequalityoftheoutput.A
fewofthemostimportantmetadataadjustmentsarediscussedseparatelyinlatersections
ofthischapter:
•Downmixmonitoring
•Dialoguelevel
•Dynamicrangecontrol
4.1 Naming Programs
OntheDolbyEtabyoucanassignauniquenametoeachprogram.Youcanusethisfeature
tomakesurethatthemetadatastaysproperlyidentifiedthroughouttheproductionand
broadcastchain.Typic ally programsarenamedaftertheircontent,suchasGameAor
Episode5.
4.2 Adjusting the Monitor System
Themonitoringsystemisfullyconfigurable.Youcanmodifyanyofitsparametersatany
timebyclickingSetup.Settingupyourmonitoringsystemisdiscussedinfullin
Appendix A.
4.3 Generating and Adjusting Metadata
YoucanchoosetouseinternalmetadatavaluesgeneratedbytheDP570orexternalvalues
suppliedfromoneofthetwometadatainputconnectors.Youcannotusebothexternal
sourcesinoneprogram.