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Dolby Laboratories DP570 Stereo System User Manual

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Using the DP570 in Live Remote Broadcast Typical Tasks

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DP570 Multichannel Audio Tool User’s Manual 49

Figure 6-2 Typical Downmix Parameters

Further,youcanassesswhethertheannouncerʹsvoicewillsurviveduringaProLogic

®

or

ProLogicIIdecodefromastereodownmixbyselectingProLogicwhiledownmixingto

stereo.Whileassessingthemixduringdownmixing,themixercanmakeadjustmentsin

ordertoensurethatthe5.1mixprovidedwillsoundgoodinallmannerofhome

environments,frommonotostereo

to5.1.

6.2.1 Measuring and Setting Dialogue Level

DecideonaDialogueLevelvalueforthebroadcastandrefertothedialoguelevel

indicatorsduringperiodsofrepresentativespeechduringtheshow.Themeasuredvalue

fromprogrammaterialappearsinyellownumbers(

–26inFigure 6‐3).TheDialogueLevel

valuesetinthesoftwareappearsingreennumbers(–27inFigure 6‐3).

Figure 6-3 Dialogue Level Controls

Tochangethevalueinthesoftware,presstheAcceptbutton.Thesystemwilltransferthe

numberappearinginthemeasuredvaluewindowtothedialnormvaluewindow,andset

theparameterautomatically.

Inmostcases,short‐termmeasurementsarebestforlivemixingastheyprovidea

measurementforeach

ten‐secondperiodofprogramaudio.Formoreinformationonthe

measurementmodes,seeMeasuringtheAverageLoudnessofIdentifiedClipsonpage 31.

For5.1programming,measuretheCenterchannel,asmostoftheimportantspeechcontent

occurshere.ForstereoprogramsmeasureboththeLeftandRightchannels.

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