Support User Manuals

Dolby Laboratories DP570 Stereo System User Manual

Open as PDF

of 127

56 Dolby

®

DP570 Multichannel Audio Tool User’s Manual

Using the DP570 in Postproduction Most Important Metadata

7.4 Most Important Metadata

Thefollowinghighest‐priorityparametershavethegreatestimpactonyourwork.We

suggestyouaddresstheminthis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.Comparethemeasuredvalue(shownin

yellownumbers)tothedialnormmetadataparametervalue(showningreen

numbers)periodicallyasyouwork.

4. Compressionmode:selectonethatsoundsbest;Noneisnotrecommendedasitmay

causepeaklimitinginaconsumerʹsdecoderduringdownmixing.Formore

informationoncompressionmodes,seeSettingDynamicRangeControlonpage 34.

Setitonceforeachprogram.

5. Surround–3dBflag:Setthisaccordingtothesettingoftheoriginalmixingroom.

Typicallythisflagisenabledwhenamixwasbalancedonatheatricaldubbingor

mixingstagewherethe

surroundchannelswereSPL‐adjustedto82andthemain

speakerswereSPL‐adjustedto85.

6. Downmixparameters:setaccordingtotaste:

•Centerdownmixlevel

• Surrounddownmixlevel

• Preferredstereodownmix

•Lt/Rtcenterdownmixlevel

•Lt/Rtsurrounddownmixlevel

•Lo/Rocenterdownmixlevel

•Lo/Rosurroundmixlevel

Note: Ensurethattheseparametersaresetcorrectlybecauseotherparametersdepend

onthem.

previous next