60 Dolby® DP570 Multichannel Audio Tool User’s Manual
Using the DP570 in Master Control Using Unity Gain Mode
8.3 Using Unity Gain ModeUnityGainmodeshouldbeofftobestemulateaconsumerʹslisteningexperience.To
comparebetweenoff‐air(forexampleconsumeremulation)andpreviewsignals,Unity
Gainmodemaybeenabled.RefertoUnityGainModeonpage39formoreinformation.
8.4 Using the DP570 with Other Dolby EquipmentTheCat.No.549DolbyGPI/OControllerprovidesaquickmethodtochangedownmixand
compressionmodeswhilemonitoring.
8.5 Most Important MetadataWesuggestmonitoringthesehighest‐impactmetadataparametersinpriorityorder:
1. Programconfiguration:thenumberoftypeofprogramsincludedintheDolbyE
stream.
2. Channelmode:thenumberofaudiochannelsintheprogram;setitonceforeach
program.
3. Dialoguelevel:thedialnormparameter.
4. Compressionmode:anymodeotherthanNoneisacceptable.Noneisnot
recommendedasitmaycausepeaklimitinginaconsumerʹsdecoderduring
downmixing.Formoreinformationaboutcompressionmodes,seeSettingDynamic
RangeControlonpage34.
Note:Ensurethattheseparametersaresetcorrectlybecauseotherparametersdependon
them.