Dolby Laboratories DP570 User manual
Dolby DP570
Multichannel Audio Tool
User’s Manual
Issue 4 Part Number 91753
®
ii Dolby®DP570 Multichannel Audio Tool User’s Manual
Dolby Laboratories, Inc.
Corporate Headquarters
DolbyLaboratories,Inc.
100PotreroAvenue
SanFrancisco,CA 94103‐4813 USA
Telephone415‐558‐0200
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www.dolby.com
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DolbyLaboratories,Inc.
WoottonBassett
Wiltshire SN48QJ England
Telephone44‐1793‐842100
Fax44‐1793‐842101
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EQUIPMENTMANUFACTUREDBYDOLBYLABORATORIESISWARRANTEDAGAINSTDEFECTS
INMATERIALSANDWORKMANSHIPFORAPERIODOFONEYEARFROMTHEDATEOF
PURCHASE.THEREARENOOTHEREXPRESSORIMPLIEDWARRANTIESANDNOWARRANTY
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OFTHIRD‐PARTYRIGHTS(INCLUDING,BUTNOTLIMITEDTO,COPYRIGHTANDPATENT
RIGHTS).
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CONTRACT,INTORT,UNDERANYWARRANTY,INNEGLIGENCE,OROTHERWISE,SHALLNOT
EXCEEDTHECOSTOFREPAIRORREPLACEMENTOFTHEDEFECTIVECOMPONENTSOR
ACCUSEDINFRINGINGDEVICES,ANDUNDERNOCIRCUMSTANCESSHALLDOLBY
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©2008DolbyLaboratories.Allrightsreserved.
PartNumber91753
Issue4
S08/17674/19918
Dolby®DP570 Multichannel Audio Tool User’s Manual iii
Regulatory Notices
FCC
NOTE:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassA
digitaldevice,pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovide
reasonableprotectionagainstharmfulinterferencewhentheequipmentisoperatedina
commercialenvironment.Thisequipmentgenerates,uses,andcanradiateradiofrequency
energyand,ifnotinstalledandusedinaccordancewiththisinstructionmanual,maycause
harmfulinterferencetoradiocommunications.Operationofthisequipmentinaresidential
areaislikelytocauseharmfulinterferenceinwhichcasetheuserwillberequiredtocorrect
theinterferenceathisownexpense.
Canada
ThisClassAdigitalapparatuscomplieswithCanadianICES‐003.
EU/EMC
ThisunitcomplieswiththeEMCrequirementofEN55103‐1andEN55103‐2whenoperated
inanE2environmentinaccordancewiththismanual.
Important Safety Instructions
1. Readtheseinstructions.
2. Keeptheseinstructions.
3. Heedallwarnings.
4. Followallinstructions.
5. Donotusethisapparatusnearwater.
6. WARNING:Toreducetheriskoffireorelectricshock,donotexposethisapparatusto
rainormoisture.
7. Cleanonlywithdrycloth.
8. Donotinstallnearanyheatsourcessuchasradiators,heatregisters,stoves,orother
apparatus(includingamplifiers)thatproduceheat.
9. Nonakedflamesources,suchaslightedcandles,shouldbeplacedontheapparatus.
10. Protectthepowercordfrombeingwalkedonorpinched,particularlyatplugs,
conveniencereceptacles,andthepointwheretheyexitfromtheapparatus.
11. Onlyuseattachments/accessoriesspecifiedbythemanufacturer.
12. Unplugthisapparatusduringlightningstormsorwhenunusedforlongperiodsof
time.
13. Referallservicingtoqualifiedservicepersonnel.Servicingisrequiredwhenthe
apparatushasbeendamagedinanyway,suchasthepower‐supplycordorplugis
damaged,liquidhasbeenspilledorobjectshavefallenintotheapparatus,the
apparatushasbeenexposedtorainormoisture,doesnotoperatenormally,orhas
beendropped.
14. Donotexposetheapparatustodrippingorsplashing;noobjectsfilledwithliquids,
suchasvases,shallbeplacedontheapparatus.
iv Dolby®DP570 Multichannel Audio Tool User’s Manual
15. CAUTION:Troubleshootingmustbeperformedbyatrainedtechnician.Toreduce
theriskofelectricshock,donotattempttoservicethisequipmentunlessyouare
qualifiedtodoso.
16. Donotdefeatthesafetypurposeofthepolarizedorgrounding‐typeplug.Apolarized
plughastwobladeswithonewiderthantheother.Agroundingtypeplughastwo
bladesandathirdgroundingprong.Thewidebladeorthethirdprongisprovided
foryoursafety.Iftheprovidedplugdoesnotfitintoyouroutlet,consultanelectrician
forreplacementoftheobsoleteoutlet.
17. Thisapparatusmustbeearthed(grounded)byconnectingtoacorrectlywiredand
earthedpoweroutlet.
18. Ensurethatyourmainssupplyisinthecorrectrangefortheinputpowerrequirement
oftheunit.
19. Inordertoreducetheriskofelectricalshock,thepowercordmustbedisconnected
whenthepowersupplyassemblyisremoved.
20. Thisequipmentisdesignedtomountinasuitablyventilated19‐inchrack;ensurethat
anyventilationslotsintheunitarenotblockedorcovered.
21. Themainspowerdisconnectdeviceforthisunitistheplug‐inmainscordratherthan
apowerswitch.Themainscordmustremainreadilyaccessiblefordisconnecting
mainspower.
22. ThepowercordwithCEE7/7plugsuppliedwiththisunitforuseinContinental
Europemustbeconnectedtoapolarizedmainssocket,orthesocketmustbesupplied
viaaresidualcurrentbreaker(RCD).Thispowercordisnotsuitableforuseinthe
UK.TousethecordintheUKcutofftheCEE7/7plugandreplacewithanapproved
BS136313Aplug:
•Thegreenandyellowcoremustbeconnectedtotheterminalintheplug
identifiedbytheletterE,orbytheearthsymbol,orcoloredgreen,orgreen
andyellow.
•ThebluecoremustbeconnectedtotheterminalmarkedwiththeletterNor
coloredblack.
•ThebrowncoremustbeconnectedtotheterminalmarkedwiththeletterLor
coloredred.
23. Thisapparatusmustbeearthed.
Fuses
WARNING:Checkthatthecorrectfuseshavebeeninstalled.Forcontinuedprotection
againstriskoffire,replaceonlywithfusesofthesametypeandrating.
WEEE
PRODUCTEND‐OF‐LIFEINFORMATION
ThisproductwasdesignedandbuiltbyDolbyLaboratoriestoprovidemanyyearsofservice,
andisbackedbyourcommitmenttoprovidehigh‐qualitysupport.Wheniteventuallyreaches
theendofitsserviceablelife,itshouldbedisposedofinaccordancewithlocalornational
legislation.
Forcurrentinformation,pleasevisitourwebsiteatwww.dolby.com/environment.
Dolby®DP570 Multichannel Audio Tool User’s Manual v
IMPORTANTSAFETYNOTICE
ThisunitcomplieswithsafetystandardEN60065asappropriate.Theunitshallnotbeexposedtodrippingorsplashingandnoobjectsfilledwithliquids,suchas
coffeecups,shallbeplacedontheequipment.Toensuresafeoperationandtoguardagainstpotentialshockhazardorriskoffire,thefollowingmustbe
observed:
oEnsurethatyourmainssupplyisinthecorrectrangefortheinputpowerrequirementoftheunit.
oEnsurefusesfittedarethecorrectratingandtypeasmarkedontheunit.
oTheunitmustbeearthedbyconnectingtoacorrectlywiredandearthedpoweroutlet.
oThepowercordsuppliedwiththisunitmustbewiredasfollows:
Live—BrownNeutral—BlueEarth—Green/Yellow
IMPORTANT–NOTEDESECURITE
CematerielestconformeàlanormeEN60065.Nepasexposercetappareilauxéclaboussuresouauxgouttesdeliquide.Nepasposerdʹobjetsremplisdeliquide,
telsquedestassesdecafé,surlʹappareil.Pourvousassurerdʹunfonctionnementsansdangeretdeprévenirtoutchocélectriqueoutoutrisquedʹincendie,veillez
àobserverlesrecommandationssuivantes.
oLeselecteurdetensiondoitêtreplacésurlavaleurcorrespondanteàvotrealimentationréseau.
oLesfusiblesdoiventcorrespondreàlavaleurindiquéesurlemateriel.
oLematerieldoitêtrecorrectementreliéàlaterre.
oLecordonsecteurlivréaveclematerieldoitêtrecablédelamanièresuivante:
Phase—BrunNeutre—BleuTerre—Vert/Jaune
WICHTIGERSICHERHEITSHINWEIS
DiesesGerätentsprichtderSicherheitsnormEN60065.DasGerätdarfnichtmitFlüssigkeiten(Spritzwasserusw.)inBerührungkommen;stellenSiekeineGefäße,z.B.
Kaffeetassen,aufdasGerät.FürdassichereFunktionierendesGerätesundzurUnfallverhütung(elektrischerSchlag,Feuer)sinddiefolgendenRegelnunbedingt
einzuhalten:
oDerSpannungswählermußaufIhreNetzspannungeingestelltsein.
oDieSicherungenmüsseninTypundStromwertmitdenAngabenaufdemGerätübereinstimmen.
oDieErdungdesGerätesmußübereinegeerdeteSteckdosegewährleistetsein.
oDasmitgelieferteNetzkabelmußwiefolgtverdrahtetwerden:
Phase—braunNulleiter—blauErde—grün/gelb
NORMEDISICUREZZA–IMPORTANTE
QuestaapparecchiaturaèstatacostruitainaccordoallenormedisicurezzaEN60065.Ilprodottonondeveesseresottopostoaschizzi,spruzziegocciolamenti,enessuntipodi
oggettoriempitoconliquidi,comeadesempiotazzedicaffè,deveessereappoggiatosuldispositivo.Perunaperfettasicurezzaedalfinedievitareeventualirischidiscossa
êlettricaodʹincendiovannoosservateleseguentimisuredisicurezza:
oAssicurarsicheilselettoredicambiotensionesiaposizionatosulvalorecorretto.
oAssicurarsichelaportataediltipodifusibilisianoquelliprescrittidallacasacostruttrice.
oLʹapparecchiaturadeveavereuncollegamentodimessaaterrabeneseguito;anchelaconnessioneretedeve
avereuncollegamentoaterra.
oIlcavodialimentazioneacorredodellʹapparecchiaturadeveesserecollegatocomesegue:
Filotensione—MarroneNeutro—BluMassa—Verde/Giallo
AVISOIMPORTANTEDESEGURIDAD
EstaunidadcumpleconlanormadeseguridadEN60065.Launidadnodebeserexpuestaagoteososalpicadurasynodebencolocarsesobreelequiporecipientesconliquidos,
comotazasdecafe.Paraasegurarseunfuncionamientoseguroyprevenircualquierposiblepeligrodedescargaoriesgodeincendio,sehandeobservarlas
siguientesprecauciones:
oAsegúresequeelselectordetensiónestéajustadoalatensióncorrectaparasualimentación.
oAsegúresequelosfusiblescolocadossondeltipoyvalorcorrectos,talcomosemarcaenlaunidad.
oLaunidaddebeserpuestaatierra,conectándolaaunconectorderedcorrectamentecableadoypuestoatierra.
oElcablederedsuministradoconestaunidad,debesercableadocomosigue:
Vivo—MarrónNeutro—AzulTierra—Verde/Amarillo
VIKTIGASÄKERHETSÅTGÄRDER!
DennaenhetuppfyllersäkerhetsstandardEN60065.Enhetenfårejutsättasföryttreåverkansamtföremålinnehållandevätska,såsomkaffemuggar,fårejplaceraspå
utrustningen.Förattgaranterasäkerhetenochgarderamoteventuellelchockellerbrandrisk,måsteföljandeobserveras:
o Kontrolleraattspänningsväljarenärinställdpåkorrektnätspänning.
o Konrolleraattsäkringarnaäravrätttypochförrättströmstyrkasåsomanvisningarnapåenhetenföreskriver.
o Enhetenmåstevarajordadgenomanslutningtillettkorrektkopplatochjordatel‐uttag.
oEl‐sladdensommedföljerdennaenhetmåstekopplasenligtfoljande:
Fas—BrunNeutral—BlåJord—Grön/Gul
BELANGRIJKVEILIGHEIDS‐VOORSCHRIFT:
DezeunitvoldoetaandeEN60065veiligheids‐standaards.Ditapparaatmagnietwordenblootgesteldaanvocht.Vanwegehetrisicodaterdruppelsinhetapparaatvallen,dient
uergeenvloeistoffeninbekersopteplaatsen.Vooreenveiliggebruikenomhetgevaarvanelectrischeschokkenenhetrisicovanbrandtevermijden,dienende
volgenderegelsinachttewordengenomen:
o ControleerofdespanningscarousselophetjuisteVoltagestaat.
oGebruikalleenzekeringenvandeaangegeventypenenwaarden.
oAansluitingvandeunitalleenaaneengeaardewandcontactdoos.
oDenetkabeldiemetdeunitwordtgeleverd,moetalsvolgtwordenaangesloten:
Fase—BruinNul—BlauwAarde—Groen/Geel
GB
F
D
I
E
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NL
Dolby®DP570 Multichannel Audio Tool User’s Manual vii
Table of Contents
List of Figures......................................................................................................................................xiii
List of Tables........................................................................................................................................ xv
Chapter 1 Overview
1.1 Analog Monitoring Capabilities...........................................................................................1
1.2 Remote Control Capabilities...............................................................................................1
1.3 Principles of Operation .......................................................................................................1
1.4 Main Applications ...............................................................................................................4
1.4.1 Use in DVD Mastering .............................................................................................4
1.4.2 Use in Digital Television...........................................................................................4
Chapter 2 Getting Started
2.1 Unpacking and Inspection ..................................................................................................5
2.2 Safety Information ..............................................................................................................5
2.3 Installing the DP570 ...........................................................................................................5
2.3.1 Venting.....................................................................................................................6
2.3.2 Making Input Connections .......................................................................................6
2.3.3 Making Output Connections.....................................................................................6
2.3.4 Making the V Ref Connection..................................................................................6
2.3.5 Making a Power Connection....................................................................................7
2.4 Installing the Remote Software...........................................................................................7
2.4.1 System Requirements..............................................................................................7
2.4.2 Installing the Software..............................................................................................7
2.4.3 Hardware Connection..............................................................................................7
2.4.4 Configuring the Unit for Remote Operation..............................................................8
2.4.5 Beginning and Ending Remote Operation ...............................................................8
2.4.6 Starting the Remote Software..................................................................................9
2.4.7 Configure the Setup Monitor Tab.............................................................................9
2.5 Selecting a Program Configuration...................................................................................10
Chapter 3 Controlling the DP570
3.1 Using the Front-Panel Buttons .........................................................................................11
3.1.1 Main and Shifted Functions of the Buttons............................................................12
3.1.2 Navigating the Front-Panel Menus ........................................................................12
3.1.3 Selecting a Menu...................................................................................................12
3.1.4 Other Shifted Functions.........................................................................................12
3.1.5 Using the Program/Preset Buttons ........................................................................13
3.1.6 Using the Playback Mode Buttons.........................................................................13
3.2 Menu Structures ...............................................................................................................13
3.3 Moving Between Menus ...................................................................................................13
3.4 Monitoring Status Using the Front Panel..........................................................................13
viii Dolby®DP570 Multichannel Audio Tool User’s Manual
Table of Contents
3.4.1 Reading the Default Status Display.......................................................................14
3.4.2 Viewing Status Screens.........................................................................................14
3.4.3 Reading the LED Indicators...................................................................................14
3.5 Using the Setup Menu......................................................................................................16
3.5.1 Selecting Parameters.............................................................................................16
3.5.2 Entering Text..........................................................................................................17
3.5.3 Exiting the Setup Menu..........................................................................................17
3.5.4 Other Commands...................................................................................................17
3.5.5 Contrast Adjustment for the Front-Panel Display...................................................17
3.5.6 Analog Output Master Volume...............................................................................17
3.6 Using the GPI/O Connector..............................................................................................18
3.6.1 Selecting GPI/O Functions.....................................................................................18
3.6.2 Assigning GPI/O Functions to Specific Pins..........................................................19
Chapter 4 Using the DP570 Features
4.1 Naming Programs.............................................................................................................23
4.2 Adjusting the Monitor System...........................................................................................23
4.3 Generating and Adjusting Metadata.................................................................................23
4.3.1 Choosing the Source of Metadata .........................................................................24
4.3.2 Using Generated Metadata....................................................................................24
4.3.3 Using External Metadata........................................................................................26
4.4 Troubleshooting Metadata Problems................................................................................27
4.5 Outputting Metadata.........................................................................................................27
4.6 Monitoring Downmixes .....................................................................................................27
4.7 Measuring and Setting the Dialogue Level.......................................................................28
4.7.1 Identifying Normal or Average Level Program Segments......................................28
4.7.2 Measuring the Average Loudness of Identified Clips.............................................28
4.8 Setting Dynamic Range Control .......................................................................................31
4.9 Holding Metadata .............................................................................................................32
4.10 User Presets.....................................................................................................................32
4.10.1 Authoring-Only Presets .........................................................................................33
4.10.2 Emulator-Only Presets ..........................................................................................33
4.10.3 All Settings Presets ...............................................................................................33
4.10.4 Using Different Preset Types to Audition Settings.................................................33
4.11 Using Lt/Rt Input Mode.....................................................................................................34
4.12 Channel Mapping and Input Routing................................................................................34
4.13 Using an External Shaft Encoder to Control Master Volume............................................36
4.14 Emulator Bypass ..............................................................................................................36
4.15 Solo Input Mode ...............................................................................................................36
4.16 Unity Gain Mode...............................................................................................................36
4.17 Sticky Settings..................................................................................................................37
4.18 Lt/Rt Gain Function...........................................................................................................37
4.19 Dim Function ....................................................................................................................37
4.20 Master Trim and Master Volume ......................................................................................38
4.21 Dolby Pro Logic II Support................................................................................................38
Chapter 5 Using the DP570 in DVD Mastering
5.1 Connecting the DP570 .....................................................................................................41
5.2 Typical Tasks....................................................................................................................42
Table of Contents
Dolby®DP570 Multichannel Audio Tool User’s Manual ix
5.2.1 Setting the Dialogue Level.....................................................................................42
5.2.2 Monitoring the Dialogue Level ...............................................................................42
5.2.3 Monitoring Downmixes...........................................................................................43
5.3 Using the DP570 with Other Dolby Equipment.................................................................43
5.4 Most Important Metadata..................................................................................................44
Chapter 6 Using the DP570 in Live Remote Broadcast
6.1 Connecting the DP570 for Live Remote Broadcast..........................................................45
6.2 Typical Tasks....................................................................................................................46
6.2.1 Measuring and Setting Dialogue Level..................................................................47
6.2.2 Monitoring the Dialogue Level ...............................................................................48
6.2.3 Monitoring Downmixes...........................................................................................48
6.3 Using the DP570 with Other Dolby Equipment.................................................................48
6.4 Using Unity Gain Mode.....................................................................................................48
6.5 Monitoring Metadata.........................................................................................................48
6.6 Importance of Presets ......................................................................................................49
Chapter 7 Using the DP570 in Postproduction
7.1 Connecting the DP570 .....................................................................................................51
7.2 Typical Tasks....................................................................................................................52
7.2.1 Measuring Dialogue Level .....................................................................................52
7.2.2 Monitoring the Dialogue Level ...............................................................................52
7.2.3 Monitoring Downmixes...........................................................................................53
7.3 Using the DP570 with Other Dolby Equipment.................................................................53
7.4 Most Important Metadata..................................................................................................54
Chapter 8 Using the DP570 in Master Control
8.1 Connecting the DP570 .....................................................................................................55
8.2 Typical Tasks....................................................................................................................56
8.2.1 Monitoring Downmixes...........................................................................................56
8.2.2 Monitoring Dialogue Level .....................................................................................57
8.3 Using Unity Gain Mode.....................................................................................................58
8.4 Using the DP570 with Other Dolby Equipment.................................................................58
8.5 Most Important Metadata..................................................................................................58
Chapter A Configuring a Monitor System
A.1 Assigning Monitor System Configuration Settings............................................................59
A.1.1 Opening the Monitor Setup Tab.............................................................................59
A.1.2 Selecting Analog Outputs ......................................................................................60
A.1.3 Choosing Bass Management Settings...................................................................60
A.1.4 Choosing Back Surround Speakers.......................................................................62
A.1.5 Emulator Reversion ...............................................................................................62
A.1.6 Setting the Lt/Rt Gain.............................................................................................62
A.1.7 Configuring Dolby Pro Logic II...............................................................................62
A.2 Setting Delay Values ........................................................................................................63
A.2.1 Calculating Delay Values.......................................................................................63
A.2.2 Entering Delay Values ...........................................................................................64
A.3 Calibrating Speaker Playback Levels...............................................................................64
A.3.1 Setting the Digital Reference Level........................................................................64
xDolby®DP570 Multichannel Audio Tool User’s Manual
Table of Contents
A.3.2 Setting the Master Trim..........................................................................................65
A.3.3 Setting the Master Volume.....................................................................................65
A.3.4 Picking a Target SPL.............................................................................................65
A.3.5 Generating Test Noise...........................................................................................66
A.3.6 Increasing the System Volume..............................................................................66
A.3.7 Measuring SPL ......................................................................................................66
A.3.8 Computing Channel Trims.....................................................................................66
A.3.9 Subwoofer Calibration............................................................................................67
A.3.10 Calibrating Emulator Output..................................................................................68
A.4 Assigning a Dim Setting ...................................................................................................68
Appendix B Connector Specifications
B.1 Front-Panel Remote Connector........................................................................................69
B.2 Digital Audio Inputs...........................................................................................................69
B.3 Digital Audio Outputs........................................................................................................69
B.4 Video Ref..........................................................................................................................70
B.5 Lt/Rt Inputs .......................................................................................................................70
B.6 Metadata Input Ports ........................................................................................................70
B.7 Metadata Output Port .......................................................................................................70
B.8 Rear-Panel Remote..........................................................................................................71
B.9 10Base-T Port (Ethernet) .................................................................................................71
B.10Multichannel Analog Output .............................................................................................71
B.11Stereo/Mono/Solo Analog Output.....................................................................................72
B.12GPI/O Connector..............................................................................................................72
Appendix C Front-Panel Menus
C.1 Top-Level Setup Menu .....................................................................................................73
C.2 Program Config ................................................................................................................73
C.3 Metadata Params Submenu.............................................................................................74
C.4 Measure Control Submenu...............................................................................................75
C.5 Monitor Control Submenu.................................................................................................76
C.5.1 Dolby Pro Logic II Submenu..................................................................................76
C.6 User Presets Submenu ....................................................................................................77
C.7 I/O Control Submenu........................................................................................................77
C.7.1 Router Config Submenu ........................................................................................78
C.7.2 GPI/O Setup Submenu..........................................................................................78
C.8 Monitor Config Submenu..................................................................................................79
C.8.1 Speaker Config Submenu......................................................................................79
C.8.2 Speaker Trims Submenu.......................................................................................80
C.9 Status Menu .....................................................................................................................81
Appendix D A Guide to Dolby Metadata
D.1 Metadata Overview...........................................................................................................83
D.2 Dialogue Level..................................................................................................................86
D.3 Dynamic Range Control ...................................................................................................87
D.4 Dynamic Range Control Profiles.......................................................................................89
D.5 Downmixing......................................................................................................................90
D.6 Parameter Definitions.......................................................................................................92
D.6.1 Universal Parameters ............................................................................................92
Table of Contents
Dolby®DP570 Multichannel Audio Tool User’s Manual xi
D.7 Extended Bitstream Information Parameters....................................................................99
D.7.1 Preferred Stereo Downmix Mode ........................................................................100
D.7.2 Lt/Rt Center Downmix Level ...............................................................................100
D.7.3 Lt/Rt Surround Downmix Level............................................................................101
D.7.4 Lo/Ro Center Downmix Level..............................................................................101
D.7.5 Lo/Ro Surround Downmix Level..........................................................................101
D.7.6 Surround EX Mode ..............................................................................................102
D.7.7 A/D Converter Type.............................................................................................102
D.8 Metadata Combinations..................................................................................................102
Dolby®DP570 Multichannel Audio Tool User’s Manual xiii
List of Figures
Figure 1-1 DP570 Functional Block Diagram.......................................................................................... 3
Figure 2-1 Monitor Configuration Tab..................................................................................................... 9
Figure 2-2 Program Configuration Selector.......................................................................................... 10
Figure 3-1 DP570 Control Options........................................................................................................ 11
Figure 3-2 Front-Panel Buttons............................................................................................................. 12
Figure 3-3 Default Status Menu Screen................................................................................................ 14
Figure 3-4 Basic LED Indicators........................................................................................................... 15
Figure 3-5 Channel Activity LED Indicators.......................................................................................... 16
Figure 3-6 Initial Setup Menu Screen ................................................................................................... 16
Figure 3-7 GPI/O Pin Numbers............................................................................................................. 20
Figure 4-1 Metadata Tabs..................................................................................................................... 25
Figure 4-2 Adding a Second Program .................................................................................................. 26
Figure 4-3 Downmix Options ................................................................................................................ 27
Figure 4-4 Measurement Control Options............................................................................................. 28
Figure 4-5 Short-term Measurements .................................................................................................. 30
Figure 4-6 Metadata Hold Button.......................................................................................................... 32
Figure 4-7 User Preset Window............................................................................................................ 33
Figure 4-8 Unity Gain Mode Box........................................................................................................... 37
Figure 4-9 Lt/Rt Gain Control................................................................................................................ 37
Figure 4-10 Master Trim Control............................................................................................................ 38
Figure 4-11 Master Volume Control....................................................................................................... 38
Figure 5-1 Content Creation ................................................................................................................. 41
Figure 5-2 Dialogue Level Controls ...................................................................................................... 42
Figure 5-3 Downmix Monitoring Controls.............................................................................................. 43
Figure 6-1 Typical Live Remote Transmission Setup........................................................................... 46
Figure 6-2 Typical Downmix Parameters.............................................................................................. 47
Figure 6-3 Dialogue Level Controls ...................................................................................................... 47
Figure 7-1 Typical Postproduction Setup.............................................................................................. 51
Figure 7-2 Dialogue Level Controls ...................................................................................................... 52
Figure 7-3 Typical Options for Monitoring Downmixes......................................................................... 53
Figure 8-1 Typical Master Control Setup.............................................................................................. 56
Figure 8-2 Typical Downmix Options.................................................................................................... 57
Figure 8-3 Dialogue Level Controls ...................................................................................................... 57
Figure A-1 Setup Button........................................................................................................................ 59
Figure A-2 Monitor Setup Tab............................................................................................................... 60
Figure A-3 Bass Management Settings................................................................................................. 61
Figure A-4 Lt/Rt Gain Function.............................................................................................................. 62
Figure A-5 Pro Logic II Controls............................................................................................................ 62
Figure A-6 Speaker Delay Values......................................................................................................... 64
Figure A-7 Digital Reference Level ....................................................................................................... 65
Figure A-8 Multichannel Trims Controls................................................................................................ 67
Figure A-9 Real-time Analyzer (RTA) Display....................................................................................... 67
Figure A-10 Dim Button........................................................................................................................... 68
Figure C-1 Top-Level Setup Menu........................................................................................................ 73
Figure C-2 Metadata Parameters Submenu.......................................................................................... 74
Figure C-3 Measure Control Submenu.................................................................................................. 75
Figure C-4 Monitor Control Submenu.................................................................................................... 76
Figure C-5 Pro Logic II Submenu.......................................................................................................... 76
xiv Dolby®DP570 Multichannel Audio Tool User’s Manual
List of Figures
Figure C-6 User Presets Submenu ....................................................................................................... 77
Figure C-7 I/O Control Submenu........................................................................................................... 77
Figure C-8 Router Config Submenu...................................................................................................... 78
Figure C-9 GPI/O Setup Submenu........................................................................................................ 78
Figure C-10 Monitor Config Menu ........................................................................................................... 79
Figure C-11 Speaker Config Submenu ................................................................................................... 79
Figure C-12 Speaker Trims Submenu..................................................................................................... 80
Figure C-13 Status Menu ........................................................................................................................ 81
Figure D-1 Metadata Flow from Production to Consumer..................................................................... 84
Figure D-2 DRC Profile.......................................................................................................................... 89
Dolby®DP570 Multichannel Audio Tool User’s Manual xv
List of Tables
Table 3-1 Front-Panel Navigation Buttons............................................................................................12
Table 3-2 Shifted Key Functions...........................................................................................................12
Table 3-3 Basic Status Indications .......................................................................................................15
Table 3-4 Channel Activity LED Indications..........................................................................................16
Table 3-5 Text Entry Commands..........................................................................................................17
Table 3-6 GPO Functions Available .....................................................................................................18
Table 3-7 GPI Functions Available.......................................................................................................19
Table 3-8 GPI/O Pins Available............................................................................................................20
Table 4-1 Metadata Parameter Defaults...............................................................................................24
Table 4-2 Measurement Mode Applications .........................................................................................30
Table 4-3 Input Channel Routings........................................................................................................34
Table 4-4 Default Router Presets.........................................................................................................35
Table 4-5 Shaft Decoder Signal Descriptions.......................................................................................36
Table 4-6 Shaft Decoder Signal Electrical Characteristics ...................................................................36
Table A-1 Bass Management Options..................................................................................................61
Table B-1 Front-Panel Remote Connector Pinout ................................................................................69
Table B-2 Metadata Input Port Pinout...................................................................................................70
Table B-3 Metadata Output Port Pinout................................................................................................70
Table B-4 Rear-Panel Remote Port Pinout...........................................................................................71
Table B-5 Multichannel Analog Output Pinout......................................................................................71
Table B-6 Stereo/Mono/Solo Analog Output Pinout..............................................................................72
Table D-1 Profession and Consumer Metadata Types.........................................................................85
Table D-2 Outputs from Different Equipment Types.............................................................................90
Table D-3 Program Configuration Settings ...........................................................................................93
Table D-4 Channel Mode Definition and Data Rates............................................................................94
Table D-5 LFE Channel Settings...........................................................................................................94
Table D-6 Bitstream Mode Options.......................................................................................................94
Table D-7 RF Overmodulation Protection Settings...............................................................................95
Table D-8 Center Downmix Level Settings and Definitions...................................................................96
Table D-9 Surround Downmix Level Settings and Definitions...............................................................96
Table D-10 Dolby Surround Mode Settings and Definitions....................................................................96
Table D-11 Audio Production Information Settings and Definitions ........................................................97
Table D-12 Mixing Level Settings............................................................................................................97
Table D-13 Room Type Settings.............................................................................................................97
Table D-14 Copyright Bit Settings...........................................................................................................97
Table D-15 Original Bitstream Settings...................................................................................................98
Table D-16 DC Filter Settings .................................................................................................................98
Table D-17 Lowpass Filter Settings ........................................................................................................98
Table D-18 LFE Lowpass Filter Settings.................................................................................................99
Table D-19 Surround 3 dB Attenuation Settings.....................................................................................99
Table D-20 Surround Phase Shift Settings .............................................................................................99
Table D-21 Preferred Stereo Downmix Mode Settings.........................................................................100
Table D-22 Lt/Rt Center Downmix Level Settings.................................................................................100
Table D-23 Lt/Rt Surround Downmix Level Settings.............................................................................101
Table D-24 Lo/Ro Center Downmix Level Settings...............................................................................101
xvi Dolby®DP570 Multichannel Audio Tool User’s Manual
List of Tables
Table D-25 Lo/Ro Surround Downmix Level Settings...........................................................................101
Table D-26 Surround EX Mode Settings...............................................................................................102
Table D-27 A/D Converter Type Settings..............................................................................................102
Table D-28 Metadata Combinations......................................................................................................102
Dolby®DP570 Multichannel Audio Tool User’s Manual 1
Chapter 1
Overview
TheDolby®DP570providesunprecedentedcontrolandreferencemonitoringforthe
creationanddeliveryofDolbyDigitalandDolbyEsurroundsoundaswellasmetadatafor
DTVandDVDproduction.
TheDP570MultichannelAudioToolsimplifiesthepreparationofcontentforDolbyEand
DolbyDigitalencoding.Itsabilitytocontrolandconfigurethemonitoringenvironment
anditsabilitytosetandeditmetadataparametersmakesitakeytoolforpostproduction,
DVD,anddigitaltelevisionfacilities.Youcanmonitorexactlywhattheconsumer
ultimatelyhearsinrealtime,withouttheneedtodecodeandreencodematerial.
TheconvenientinterfaceletsyoutakefulladvantageoftheaudiometadatathatDolby
Digitalbitstreamsdelivertoconsumerdecoders,ensuringthathomelistenershear
programsexactlyasoriginallyintended.TheDP570enablestheusertocreatenew
metadata,andtomodifyanypreviouslygeneratedmetadata.Itsbuilt‐inmeterprovides
thecrucialabilitytodetermineandsetthedialoguenormalization(dialnorm)value.The
DP570outputsmetadataasaseparatedatastream,tobecombinedlaterwiththe
multichannelaudioinaDolbyEorDolbyDigitalencoder.
1.1 Analog Monitoring Capabilities
TheDP570isparticularlyusefulinconjunctionwithaudioconsoleslackingadequate
multichannelmonitoringfacilities.Withtheadditionofthehigh‐performance24‐bitCat.
No.548AnalogOutputCard,independent5.1‐channel,2‐channel,andmonooutputsare
availabletofeedthreeseparatespeakersystems.Thecardalsogivesuserscontrolover
levels,channelmutes,andchannelsolosthroughamastervolumecontrol,speakertrim
controls,andaninputforaconsolesolobus.
AnadditionalinputandintegratedDolbyProLogic®IIandProLogicdecodersallow
propermonitoringofLt/Rtsourcesanddownmixesfromallotherinputs.
1.2 Remote Control Capabilities
TheDP570containsextensiveGPI/Ocontrolandincludesasoftwareremoteapplication
forusewithaWindows®‐basedPC.TheoptionalCat.No.549GPI/OControllerprovides
keyremotecontrolfunctions.
1.3 Principles of Operation
UntiltheDP570,theonlywaytoheartheeffectofmetadataonaudioduringmasteringwas
topasstheaudiothroughtheDolbyDigitalencode/decodechain.Thisprocedurecouldnot
beachievedinrealtimeandofferedanunwieldyinterface.TheDP570providesthis
functioninrealtimebyapplyingmetadataparameterstobasebandPCMaudio.This
emulationfunctionallowsyoutopreviewtheeffectsofdownmixing,settingdialogue
2Dolby®DP570 Multichannel Audio Tool User’s Manual
Overview
level,ProLogicdecoding,andtheotherfunctionscontrolledbymetadataandexperienced
byconsumers.TheDP570’sconvenientanduser‐friendlyinterfacesimplifiesmultichannel
audioproductionandmastering.
Figure 1‐1showstheaudiopathoftheDP570brokenintomajorfunctionalblocks.Features
thatcontroltheoperationofablockareconnectedtoitbyadottedline.
DigitalaudioinputontheDP570isviafourfemaleBNCconnectors,allowingatotalof
eightchannels.TheemulatorsectionoftheDP570,liketheDP571,requirestheinput
channelassignmenttoconformtoafixedSMPTE320Mdefinitionbasedupontheprogram
configurationselected.Sincepreviouslyrecordedmaterialmayarriveinformatsthatdo
notmatchthechosenprogramconfiguration,theDP570providestheabilitytoreroutethe
inputchannelstomatchtheexpectedconfiguration,allowingotherequipmenttobesent
thecorrectchannelassignment.
Theemulatorsectionprovidesthebulkoftheaudioprocessing,includingapplicationof
metadata,downmixing,andProLogicdecoding.Allpossiblelisteningoptionsallowedby
consumerdecodersareprovidedintheemulator(fromhigh‐endhometheaterstomono
TVsets).Notethattheinputstotheemulatorsectionmaybemultiple,unrelatedchannels
buttheoutputsarereferredtoasspeakerchannelsandrepresentonlytheactiveprogram
(theprogramcurrentlybeingworkedonormonitored).Oncetheinputchannel
configurationhasbeenset,theselectedactiveprogramappearsintheappropriatespeaker
channelsirrespectiveoftheprogramʹsappearanceontheinputchannels,thereby
simplifyinginstallationandintegrationintoexistingmultichannelmonitoring
environments.
Theemulatorsectionisfollowedbythebassmanagementsection,whichprovidesthe
abilitytoroutelowfrequenciestotheappropriatespeakerchannels.Theoutputofthebass
managementsectionissenttothedigitalaudio(emulator)outputsaswellastheanalog
monitorsection(iffitted).
Principles of Operation
Dolby®DP570 Multichannel Audio Tool User’s Manual 3
Figure1‐1
Figure 1-1 DP570 Functional Block Diagram
Emulator
(DRC,
dialnorm,
downmix,
P/L decode)
Router
AES
Rcvr
x4
AES
Xmit
x4
D/A
x8
Trims
x8
Output
Bal.
x8
Output
Bal. (2)
Output
Bal.
AES
Rcvr
1/2
3/4
5/6
7/8
Lt/
Rt
L
L/R
Prgm Select
Metadata
List Mode
Spkr select
C/
SW
Ls/
Rs
Bsl
/
Bsr
L
R
C
SW
Ls
Rs
Bsl
Bsr
Lo
Ro
Mono
L
R
C
SW
Ls
Rs
Bsl
Bsr
Router
Config
Spkr
Trim
Volume
Vol,
Mute
Router
Solo Mode Spkr Select
AES
Xmit
x4
1/2
3/4
5/6
7/8
From
router
outputs
Cat. No. 548 Analog Option Card
Bass
manage-
ment
Emulator
Config
R
Input Meter
Measurement
Point
Output Meter
Measurement
Point
4Dolby®DP570 Multichannel Audio Tool User’s Manual
Overview
TheCat.No.548AnalogOutputCardprovidesananalogmonitorsectionandsome
additionalfeaturestoeaseinterfacingtoexistingmixingandmonitoringenvironments.
Thisoptionalanalogmonitorsectionprovidesfeaturesincludingmultiple
speaker‐configurationoutputs,amastervolumecontrol,speakertrimcontrols,andan
inputforaconsolesolobus.
1.4 Main Applications
TheDP570canbesuccessfullydeployedwhereverthereisaneedtomonitorthequalityof
digitalaudio,andtoreviewexistingmetadata.Itiscurrentlymostcommonintwo
applications:
•DVDmastering
• CreationandbroadcastofDTVcontent
1.4.1 Use in DVD Mastering
ADVDauthoristypicallypreparingmixedaudioforwritingtotheDVD:generating
metadata,verifyinglevels,andauditioningdownmixes.Thisprocessisdescribedindetail
inChapter 5.
1.4.2 Use in Digital Television
Here’sanexampleoftheprocessflowinDTV:
Inabroadcasttruckparkedoutsideafootballstadium,theprogrammixerchoosesthe
appropriatemetadatafortheaudioprogrambeingcreated.Theresultingaudioprogram,
togetherwithmetadata,isencodedasDolbyEdataandsenttothetelevisionstationvia
fiber,microwave,orothertransmissionlink.Thisprocessisdiscussedindetailin
Chapter 6.
Atthereceivingendofthistransmission,theDolbyEstreamisdecodedbacktobaseband
audioandmetadata.Theaudioprogramandthemetadataaremonitored,altered,or
re‐createdasotherelementsoftheprogramareaddedinpreparationforbroadcast.This
processisdiscussedindetailinChapter 7.
Thisnewaudioprogram/metadatapair,reencodedasDolbyEdata,leavesthe
postproductionstudioandpassesthroughthetelevisionstationtoMasterControl,where
manyincomingDolbyEstreamsareonceagaindecodedbacktotheirindividualbaseband
digitalaudio/metadataprograms.Theaudioprogram/metadatapairthatisselectedtoair
issenttothetransmissionDolbyDigitalencoder,whichencodestheincomingaudio
programaccordingtothemetadatastreamassociatedwithit,therebysimplifyingthe
transmissionprocess.ThisprocessisdiscussedindetailinChapter 8.
Finally,theDolbyDigitalsignalisdecodedintheconsumer’shome,withmetadata
providingtheinformationforthatdecodingprocess.Throughtheuseofmetadata,the
mixerinthetruckhasbeenabletocontrolthehomedecoderforthesportingevent,while
segmentssuchasnewsbreaks,commercials,andstationIDsaresimilarlydecoded,each
usingitsownmetadata.
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