Dolby Laboratories DP570 6.2.1 Measuring and Setting Dialogue Level

Using the DP570 in Live Remote Broadcast Typical Tasks
Dolby® 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Figure6‐3).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page31.
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.