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Dolby Laboratories DP570 Stereo System User Manual

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DP570 Multichannel Audio Tool User’s Manual 47

Chapter 6

Using the DP570 in Live Remote

Broadcast

Inpreparationforandduringaliveremotebroadcast,itisimportanttoexperiencethe

audioprogramthesamewayaviewerwillinthehomesoyoucanassessthemixquality

andmakeappropriateadjustments.TheDP570providesquickandaccurateemulationof

aviewerʹslisteningenvironment.

The

instructionsinthissectionallowyoutousetheDP570torespondquicklywith

necessarychangesandimprovements.

6.1 Connecting the DP570 for Live Remote Broadcast

Figure 6‐1showsatypicalliveremotesetup.Inthisapplication,5.1mixedaudioisrouted

fromtheconsoletotheMPEGencoderthroughtheDP571,DP563,andDP570.

Themixfromtheconsoleissentfirsttodigitalinputs1–6oftheDP571andontotheDP570

formetadata

authoringandmonitoringviatheDP571’sloop‐throughconnections.The

samemixisroutedtotheDP563fordownmixingtoLt/RtandthentotheDP571for

encoding.

Lt/RtoutputfromtheDP56 3isdirectedbyadistributionamplifiertofourlocations:

1. Tothe

Lt/RtinputoftheDP570forquickandconvenientmonitoring

2. TothedigitalinputsoftheDP570forinclusionina5.1+2Dolby

®

Eprogram

3. TothedigitalinputsoftheDP571fordigitalencoding

4. TotheMPEGencoderforstereoaudiodistribution

AttheDP571,metadataauthoredintheDP570isjoinedtotheaudiofromtheDP563and

encodedintoaDolbyEstream.ThisstreamissenttotheLM100formetering

and

confidencedecoding.ItisalsoinputtotheMPEGencoderpriortotransmission.Lt/Rt

audiofromtheDP563isseparatelyroutedtotheMPEGencoderaswell.

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