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Dolby Laboratories DP570 Stereo System User Manual

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DP570 Multichannel Audio Tool User’s Manual

Using the DP570 in DVD Mastering Most Important Metadata

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–3dB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

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