Inc. Stereo System User's Manual

60 Dolby
®
DP570 Multichannel Audio Tool User’s Manual
Using the DP570 in Master Control Using Unity Gain Mode
8.3 Using Unity Gain Mode
UnityGainmodeshouldbeofftobestemulateaconsumerʹslisteningexperience.To
comparebetweenoff‐air(forexampleconsumeremulation)andpreviewsignals,Unity
Gainmodemaybeenabled.RefertoUnityGainModeonpage 39formoreinformation.
8.4 Using the DP570 with Other Dolby Equipment
TheCat.No.549DolbyGPI/OControllerprovidesaquickmethodtochangedownmixand
compressionmodeswhilemonitoring.
8.5 Most Important Metadata
Wesuggestmonitoringthesehighest‐impactmetadataparametersinpriorityorder:
1. Programconfiguration:thenumberoftypeofprogramsincludedintheDolbyE
stream.
2. Channelmode:thenumberofaudiochannelsintheprogram;setitonceforeach
program.
3. Dialoguelevel:thedialnormparameter.
4. Compressionmode:anymodeotherthanNone
isacceptable.Noneisnot
recommendedasitmaycausepeaklimitinginaconsumerʹsdecoderduring
downmixing.Formoreinformationaboutcompressionmodes,seeSettingDynamic
RangeControlonpage 34.
Note:Ensurethattheseparametersaresetcorrectlybecauseotherparametersdependon
them.