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36 Dolby® DP570 Multichannel Audio Tool User’s Manual

Using the DP570 Features Using Lt/Rt Input Mode

Emulatorpresetsareparticularlyusefulforcheckingspecificcombinationsofdownmix

andcompressionmodes,perhapsonadifferentspeakeroutput.Forexample,youcan

auditioncurrentmetadatasettingsfora5.1‐channelprograminFullmode(nodownmix)

withnocompression(thedefaultfortheCustomselection),thencheckthemonodownmix

inRFmodeonthemonospeakeroutputinoneclickwithoutalteringthemetadatasettings.

Onceyouselectthelisteningparameters,chooseapresetnumberunderUserPresets,and

underType chooseEmulator.

Tosaveacombinationofauthoringandemulatorsettingsasapreset,selectAllunderType

whensavingthepreset.

Presetsthatincludebothauthoringandemulatorsettingsdonotdisplayanyletterafterthe

presetnumberonthedisplay.

Ifyouareassigningmetadatatoaprogram,thedifferentpresettypescanbeusedin

sequencetospeedyourprocess.

YousettheemulatortoFull(nodownmix)withnocompression(thedefaultforthe

Customselection).Youthenauditionafewauthoringpresetsuntilyoufindthe

combinationthatsuitstheprogrambest.Next,youswitchamongtheemulatorpresetsto

makesurethemetadatayouhaveselectedworksinavariety ofdownmixsettings.Now

youknowyouhavesettingsthatmaximizethemixingcapabilitiesforallyourpotential

listeners.

Byusingpresets,youbothsavetimeandincreasetheaccuracyofyourchecking,since

therearemultiplevariablesinboththeauthoringandemulatorsections.

TheDP570providesaseparateinput(Lt/Rt)forasignalencodedinDolbySurround.When

youactivatetheLt/RtInputmode,theemulatorisfedonlybytheLt/Rtinput,andthe

DP570sendsaProLogic®decodedsignaltoyourmonitorsystem.Youcannotaltersettings

forthesignalfromtheLt/Rtinput,butyoucanusetheinputtoensurethatanLt/Rtmixis

performingasexpected.

Caution:ChangestometadataparametersmaybemadewhileinLt/RtInputmode,but

youcannotheartheeffectofthesechanges,becausetheemulatorisdedicated

toLt/Rtinputsignal.Therefore,youshouldnotchangemetadatavaluesin

Lt/RtInputmode.