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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 Features Using Lt/Rt Input Mode

4.10.2 Emulator-Only Presets

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

down mix

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.

4.10.3 All Settings Presets

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.

4.10.4 Using Different Preset Types to Audition Settings

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

sequencetospeedyourprocess.

Example

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increas etheaccuracyofyourchecking,since

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

4.11 Using Lt/Rt Input Mode

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Pro Logic

®

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.

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