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Dolby Laboratories Multichannel Audio Tool DP570 manuale d’uso - BKManuals

Dolby Laboratories Multichannel Audio Tool DP570 manuale d’uso

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Un buon manuale d’uso

Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso Dolby Laboratories Multichannel Audio Tool DP570. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica Dolby Laboratories Multichannel Audio Tool DP570 o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.

Che cosa è il manuale d’uso?

La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso Dolby Laboratories Multichannel Audio Tool DP570 descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.

Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.

Quindi cosa dovrebbe contenere il manuale perfetto?

Innanzitutto, il manuale d’uso Dolby Laboratories Multichannel Audio Tool DP570 dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo Dolby Laboratories Multichannel Audio Tool DP570
- nome del fabbricante e anno di fabbricazione Dolby Laboratories Multichannel Audio Tool DP570
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature Dolby Laboratories Multichannel Audio Tool DP570
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti

Perché non leggiamo i manuali d’uso?

Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio Dolby Laboratories Multichannel Audio Tool DP570 non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti Dolby Laboratories Multichannel Audio Tool DP570 e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio Dolby Laboratories in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche Dolby Laboratories Multichannel Audio Tool DP570, come nel caso della versione cartacea.

Perché leggere il manuale d’uso?

Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo Dolby Laboratories Multichannel Audio Tool DP570, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.

Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso Dolby Laboratories Multichannel Audio Tool DP570. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.

Sommario del manuale d’uso

  • Pagina 1

     Dolby DP570 Multichannel Audio Tool User’s Manual Issue 4 Part Number 91753 ®[...]

  • Pagina 2

     ii Dolb y ® DP570 Multichannel Audio T ool User’ s Manual Dolby Laboratories, Inc. Corporate Headquarters Dolby  Laboratories,  Inc. 100  Potrero  Avenue San  Francisco,  CA 94103 ‐ 4813 USA Telephone  415 ‐ 558 ‐ 0200 Fax  415 ‐ 863 ‐ 1373 www .dolby .com European Headquarters Dolby  Laboratories,  In[...]

  • Pagina 3

    Dolby ® DP570 Multichannel Audio T ool User’ s Manual iii Regulatory Notices FCC NOTE:  This  equipment  has  been  tested  and  found  to  comply  with  the  limits  for  a  Class  A  digital  devi ce,  pursuant  to  Par t  15  of  the  FCC  Rules.  Th ese  limi[...]

  • Pagina 4

    iv Dolby ® DP570 Multichannel Audio T ool User’ s Manual 15. CAUTION:  T roubleshooting  must  be  performed  by  a  trained  technician.  To  reduce  the  risk  of  electric  shock,  do  not  attempt  to  service  this  equi pment  unless  you  are  qualified  to ?[...]

  • Pagina 5

    Dolby ® DP570 Multichannel Audio T ool User’ s Manual v IMPORTANT  SAFETY  NOTICE This  unit  complies  with  safety  standard  EN60065  as  appropriate.  The  unit  shall  not  be  exposed  to  dripping  or  splashing  and  no  objects  filled  with  liquids,  su c[...]

  • Pagina 6

    [...]

  • Pagina 7

    Dolby ® DP570 Multichannel Au dio Tool User’s Manual vii Table of Contents List of Figures .................. ............. ............. ................ ............. ............. ................ ............. ............ ....... xiii List of Tables ....... ............. ............. ................ ............. ............. ...........[...]

  • Pagina 8

    viii Dolby ® DP570 Multichannel Au dio 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 Re[...]

  • Pagina 9

    Table of Contents Dolby ® DP570 Multichannel Au dio 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 Down[...]

  • Pagina 10

    x Dolby ® DP570 Multichannel Au dio 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 Ta[...]

  • Pagina 11

    Table of Contents Dolby ® DP570 Multichannel Au dio Tool User’s Manual xi D.7 Extended Bitstream Information Parameters ....... ............. ............. ................ ............. ...... 99 D.7.1 Pref erred Stereo Downmix Mode ... ....... ... ............. ............. ............. ................ .... 100 D.7.2 Lt/R t C enter Dow nmix[...]

  • Pagina 12

    [...]

  • Pagina 13

    Dolby ® DP570 Multichannel Au dio Tool User’s Manual xiii List of Figures Figure 1-1 DP570 Functional Blo ck Diagram ..... ............. ... .... ... ... ............. ... ... .... ... ............. ... ... ... .... .... ... 3 Figure 2-1 Monitor Configuration Tab ................ .......... ............. ................ ............. ..........[...]

  • Pagina 14

    xiv Dolby ® DP570 Multichannel Au dio Tool User’s Manual List of Figures Figure C-6 User Presets Submenu . ... ............. ............. ................ ............. ............. ................ ......... ...... 77 Figure C-7 I/O Control Submenu .................. ...... ....... ................ ............. ............. ................[...]

  • Pagina 15

    Dolby ® DP570 Multichannel Audio T ool User’ s Manual xv List of Tables Table 3-1 Front-Panel Navigation Buttons .................. ... ... .... ... ... ............. ... ... .... ... ... ... .... ... ............. .. . ... 12 Table 3-2 Shifted Key Functions .......... ............. ... .... ... ... ... .... ... ... ............. ... ... .... ..[...]

  • Pagina 16

    xvi Dolby ® DP570 Multichannel Audio T ool User’ s Manual List of Tables Table D-25 Lo/Ro Surround Downmix Level Settings .......................... ... ... ... ... .... ... ... ... .... ... ... ... ... .... ... . 1 01 Table D-26 Surround EX Mode Settings .... ............ ............. ................. ............ ............. ..............[...]

  • Pagina 17

    Dolby ® DP570 Multichannel Audio T ool User’ s Manual 1 Chapter 1 Ov er vie w The  Dolby ®  DP570  provides  unprecedented  control  and  refere nce  monitoring  for  the  creation  and  deliv ery  of  Dolby  Digi tal  and  Dolby  E  surround  sound  as  well  as  metada[...]

  • Pagina 18

    2 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Overview level,  Pro  Logic  decoding,  and  the  other  functions  controlled  by  metadata  and  experienced  by  consumers.  The  DP570’ s  convenient  and  user ‐ friendly  interface  simplifies  multichannel  audi[...]

  • Pagina 19

    Principles of Operation Dolby ® DP570 Multichannel Audio T ool User’ s Manual 3 Figure  1 ‐ 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 Mo[...]

  • Pagina 20

    4 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Overview The  Cat.  No.  548  Analog  Output  Ca rd  provides  an  anal og  monitor  section  and  some  additional  features  to  ease  interfacing  to  existing  mixing  and  monitoring  environments.  This  opt[...]

  • Pagina 21

    Dolby ® DP570 Multichannel Audio T ool User’ s Manual 5 Chapter 2 Getting Star ted This  chapter  describes  the  actions  necessary  to  begin  using  the  DP570  in  a  basic  configuration. 2.1 Unp acking and Inspection Before  unpacking  the  un it,  inspect  the  outer  carton ?[...]

  • Pagina 22

    6 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Getting Star ted 2.3.1 V enting Dolby ®  professional  audio  products  are  designe d  to  operate  within  a  temperature  range  of  5°C  to  45°C.  They  use  natural  convection  cooling  and  therefore  should [...]

  • Pagina 23

    Installing the Remote Softwar e Dolby ® DP570 Multichannel Audio T ool User’ s Manual 7 For  a  discussion  of  the  connector  types  used  for  the  V Ref  connection  on  the  DP570,  see  Appendix B . 2.3.5 Making a Power Connection The  DP570  contains  a  90–264  VA C ,  5[...]

  • Pagina 24

    8 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Getting Star ted 2.4.3 Hardware Connection To  connect  the  DP570  to  its  remote  control  device,  use  a  serial  cable  from  your  computer  to  either  the  front ‐ panel  Remote RS-232  port  or  the  rear ?[...]

  • Pagina 25

    Installing the Remote Softwar e Dolby ® DP570 Multichannel Audio T ool User’ s Manual 9 2.4.6 St arting the Remote Software To  start  the  rem ote  software: 1. Double ‐ click  the  program  icon. 2. Review  the  communication  settings,  and  modify  them  if  necessary . 3. Click  OK . The [...]

  • Pagina 26

    10 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Getting Star ted 2.5 Selecting a Program Configuration The  first  st ep  in  monitoring  is  to  select  a  program  configuration  that  reflects  the  number  of  channels  within  the  program(s)  you  will  monitor . ?[...]

  • Pagina 27

    Dolby ® DP570 Multichannel Audio T ool User’ s Manual 11 Chapter 3 Contr o lling the DP570 As  shown  in  Figure 3 ‐ 1 ,  you  can  control  the  DP570  in  three  way s : •D i r e c t l y ,  by  pushing  buttons  on  the  front  panel  of  the  unit • Remotely ,  using  [...]

  • Pagina 28

    12 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Controlling the DP570 Figure  3 ‐ 2  Figure 3-2 Front-Panel Buttons 3.1.1 Main and Shif ted Fun ctions of the Buttons Most  of  the  buttons  hav e  tw o  functions:  a  main  function  and  a  shifted  function.  Th e  main  funct[...]

  • Pagina 29

    Menu Structures Dolby ® DP570 Multichannel Audio T ool User’ s Manual 13 3.1.5 Using the Program/Preset Buttons Under  normal  conditions,  when  the  Preset  button  is  not  pressed  or  li t,  the  buttons  labeled  1 ,  2 ,  3 ,  and  4  allow  you  to  move  betw een ?[...]

  • Pagina 30

    14 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Controlling the DP570 3.4.1 Reading the Default St atus Display The  default  display  when  the  unit  pow ers  up  is  the  top  screen  of  the  status  menu  shown  in  Figure 3 ‐ 3 . Figure  3 ‐ 3  Figure 3-3 Default S ta[...]

  • Pagina 31

    Monitor ing Status Using the F ront P anel Dolby ® DP570 Multichannel Audio T ool User’ s Manual 15 Basic St atus Indicators The  indicators  shown  in  Figure 3 ‐ 4  display  the  basic  status  information  listed  in  Ta b l e 3 ‐ 3 . Figure  3 ‐ 4  Figure  3 ‐ 5  Figure 3-4 Basic LED[...]

  • Pagina 32

    16 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Controlling the DP570 Figure  3 ‐ 6  Figure 3-5 Channel Activity LED Indicators Channel  Activity  LED  indicator  meanings  are  detailed  in  Ta b l e 3 ‐ 4 . 3.5 Using the Setup Menu The  initial  screen  of  the  setup  menu  is[...]

  • Pagina 33

    Using the Setup Menu Dolby ® DP570 Multichannel Audio T ool User’ s Manual 17 3.5.2 Entering T ext In  certain  situations  you  will  be  prompted  to  enter  text.  In  the  text  entry  window ,  the  firs t  line  prompts  you  to  ent er  text.  The  second  line [...]

  • Pagina 34

    18 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Controlling the DP570 3.6 Using the GPI/O Connector Yo u  can  use  this  port  to  connect  the  DP570  to  your  studio  console  or  existing  control  equipment.  A  stand ‐ alone  remote  control  unit,  the  Cat. [...]

  • Pagina 35

    Using the GPI/O Conn ector Dolby ® DP570 Multichannel Audio T ool User’ s Manual 19 be  edge ‐ trig gered.  The  Act ive  S tate  column  indicates  the  DP570  state  that  results  when  the  pin  is  forced  to  the  logic  level  indicated,  if  it  is  level ‐ tr[...]

  • Pagina 36

    20 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Controlling the DP570 Ta b l e 3 ‐ 8  lists  the  pins  av ailable  for  GPO  and  GPI  functions. GPO Setup Output  pins  4  and  7–19  in  Figure 3 ‐ 7  and  Ta b l e 3 ‐ 8  are  user ‐ defined.  To  define  a ?[...]

  • Pagina 37

    Using the GPI/O Conn ector Dolby ® DP570 Multichannel Audio T ool User’ s Manual 21 Edge ‐ triggered  signals  are  either  positive  or  negativ e.  Lev el ‐ triggered  signals  are  either  high  or  low . The  Function  menu  lets  yo u  assign  a  function  to  the  pin[...]

  • Pagina 38

    [...]

  • Pagina 39

    Dolby ® DP570 Multichannel Audio T ool User’ s Manual 23 Chapter 4 Using the DP570 F eatures This  chapter  covers  each  distinct  feature  of  the  DP570  in  detail.  The  main  power  of  the  Dolby ®  DP570  is  its  ability  to  accept  any  program  input  and [...]

  • Pagina 40

    24 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es 4.3.1 Choosing the Source of Met adat a Normally  you  will  use  an  entire  metadata  stream  from  one  source,  but  that  is  not  required.  Yo u  control  this  source  choice  at  three  [...]

  • Pagina 41

    Gener ating and Adjusting Metadata Dolby ® DP570 Multichannel Audio T ool User’ s Manual 25 Yo u  can  manu ally  modify  most  of  these  va l u e s  on  the  metadata  tabs  of  the  DolbyRemote 570  application  shown  in  Figure 4 ‐ 1 .  Dialogue  normalization  controls  ar[...]

  • Pagina 42

    26 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es 4.3.3 Using External Met adat a When  using  external  metadata,  make  certain  that  the  val u e s  are  correct  for  the  program.  P articularly  when  you  use  external  program  configurations, ?[...]

  • Pagina 43

    T roubleshooting Metada ta Problems Dolby ® DP570 Multichannel Audio T ool User’ s Manual 27 4.4 T roubleshooting Met adat a Problems The  DP570  has  several  status  indicators  to  help  troubleshoot  metadata ‐ related  problems. The  front ‐ panel  status  display  shows  the  metadata [...]

  • Pagina 44

    28 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es 4.7 Measuri ng and Setting the Dialogue Le vel The  dialogue  level  parameter,  also  known  as  dialogue  normalization  or  dialnorm ,  is  a  vital  element  in  audio  content  creation.  The  proper[...]

  • Pagina 45

    Measuring and Setting the Dialogue Le vel Dolby ® DP570 Multichannel Audio T ool User’ s Manual 29 va l u e  within  Dolby  E  and  Dolby  Digital  bitstreams.  The  DP570  measurement  feature  will  yield  best  results  when  the  operator  measur es  portions  of  the  prog[...]

  • Pagina 46

    30 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es Figure  4 ‐ 6  Figure 4-5 Short-term Measurements Since  the  short ‐ term  measuremen t  considers  only  the  previous  10  seconds  of  program  material,  the  measured  va l u e  can  be  much ?[...]

  • Pagina 47

    Setting Dynamic Range Control Dolby ® DP570 Multichannel Audio T ool User’ s Manual 31 Figure  4 ‐ 7  To  measure  di alogue  lev el  using  the  remote  softw are,  use  the  controls  shown  in  Fig ure 4 ‐ 4  for  these  steps: 1. Use  the  Channel  Select  control  to ?[...]

  • Pagina 48

    32 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es and  Speech .  Each  profile  is  a  set  of  compression  parame ters  such  as  ratio,  attack,  and  release. For  detailed  information,  see  Secti on D.4 . The  Custom  adjustment  on  the [...]

  • Pagina 49

    User Presets Dolby ® DP570 Multichannel Audio T ool User’ s Manual 33 Figure  4 ‐ 9  Figure 4-7 User Preset Window 4.10.1 Authoring-Only Preset s Saving  an  authoring ‐ only  preset  allows  you  to  test  certain  com binations  of  metadat a  settings  you  find  useful  without  al[...]

  • Pagina 50

    34 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es Example Yo u  set  the  emulator  to  Full  (no  downmix)  with  no  compression  (the  def ault  for  the  Custom  selection).  Yo u  then  audition  a  few  authoring  pr esets  until  yo[...]

  • Pagina 51

    Channel Mapping and Input Routing Dolby ® DP570 Multichannel Audio T ool User’ s Manual 35 Figure  4 ‐ 10  The  DP570  input  rout er  enables  you  to  reroute  input  channels  to  conform  to  the  automatically  assigned  channel  mapping.  The  input  router  is  acti[...]

  • Pagina 52

    36 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es 4.13 Using an External Shaf t En coder to Control Master V olume The  master  vol um e  function  is  available  on  DP570s  that  hav e  the  Cat.  No.  548  Analog  Output  Card  installed.  The  GPI/O [...]

  • Pagina 53

    Stic ky Settings Dolby ® DP570 Multichannel Audio T ool User’ s Manual 37 Unity  Gain  mode  is  enabled  by  default.  To  turn  Unity  Gain  mode  off: 1. Click  Setup  in  the  Main  window  to  open  the  Setup  window . 2. Uncheck  the  Unity  Gain  Mode  box ?[...]

  • Pagina 54

    38 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es 4.20 Master T rim and Master Volume The  Master  Tr i m  slider ,  Figure 4 ‐ 10 ,  allows  you  to  raise  or  low er  the  vol um e  of  the  signal  input  to  the  DP570  before  processing  b[...]

  • Pagina 55

    Dolby Pr o Logic I I Suppor t Dolby ® DP570 Multichannel Audio T ool User’ s Manual 39 Matrix  is  primarily  for  radio  rece ption  in  cars.  It  is  essent ially  the  same  as  the  origina l  passive  Dol by  Surround  decoder  without  the  direction al  steering  pro[...]

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    [...]

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    Dolby ® DP570 Multichannel Audio T ool User’ s Manual 41 Chapter 5 Using the DP570 in DVD Master ing During  the  DVD  mastering  process,  it  is  important  to  experience  the  program  in  the  same  wa y  a  viewer  will  in  the  home  so  that  yo u  can  assess[...]

  • Pagina 58

    42 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in DV D M a s t e r i n g 5.2 T ypical T asks The  DP570  is  used  in  the  monit or  chain  to  emulate  a  consumer ʹ s  listening  environme nt. 5.2.1 Setting the Dialogue Level As  the  mix  is  nearing  completion[...]

  • Pagina 59

    Using the DP570 with Other Dolb y Equipment Dolby ® DP570 Multichannel Audio T ool User’ s Manual 43 Once  a  Dialogue  Lev el  val ue  has  been  selected,  either  short ‐ term  or  infinite  measurements  can  be  used  depending  on  you r  preference.  Again,  see  Section [...]

  • Pagina 60

    44 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in DV D M a s t e r i n g 5.4 Most Import ant Met adat a The  following  hig hest ‐ priority  parameters  have  the  greatest  impact  on  your  wo rk .  We  suggest  yo u  address  them  in  this  order: 1. Program ?[...]

  • Pagina 61

    Dolby ® DP570 Multichannel Audio T ool User’ s Manual 45 Chapter 6 Using the DP570 in Liv e Remote Br oadcast In  preparation  for  and  during  a  live  remote  broadcast,  it  is  important  to  exper ience  the  audio  program  the  same  way  a  viewer  will  in  the [...]

  • Pagina 62

    46 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in Li ve Remote Broadcast Figure  6 ‐ 1  Figure 6-1 T y pical Live Remote Transmission Setup 6.2 T ypical T asks A  chief  purpose  of  the  DP570  in  a  live  remote  environment  is  to  provide  downmixing  emulation,[...]

  • Pagina 63

    Ty p i c a l Ta s k s Dolby ® DP570 Multichannel Audio T ool User’ s Manual 47 Figure  6 ‐ 2  Figure 6-2 T ypical Downmix Parameters Further ,  you  can  assess  whether  the  announcer ʹ s  voic e  will  surviv e  during  a  Pro  Logic ®  or  Pro  Logic  II  decode  from  a ?[...]

  • Pagina 64

    48 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in Li ve Remote Broadcast 6.2.2 Monitoring the Dialogue Level As  you  wo r k,  check  the  dialogue  lev el  indicators—the  yell o w  numbers  shown  in  Figure 6 ‐ 3 —frequently .  Make  adjustments  to  the  mix ?[...]

  • Pagina 65

    Impor tance of Pr esets Dolby ® DP570 Multichannel Audio T ool User’ s Manual 49 •L t / R t  surround  downmix  lev el •L o / R o  Center  downmix  level •L o / R o  surround  mix  lev el 6.6 Import ance of Presets In  a  live  broadc ast  situation,  the  abilit y  to  preview  metadat[...]

  • Pagina 66

    [...]

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    Dolby ® DP570 Multichannel Audio T ool User’ s Manual 51 Chapter 7 Using the DP570 in Postpr oduction The  DP570  can  be  used  in  a  var i e t y  of  postproduction  settings.  We  discuss  one  example. The  instructions  in  this  section  allow  you  to  use  the  DP57[...]

  • Pagina 68

    52 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in Postpr oduction 7.2 T ypical T asks The  DP570  is  used  in  the  monit or  chain  to  emulate  the  consumer ʹ s  listening  environment. 7.2.1 Measuring Dialogue Level As  the  mix  is  near ing  completion,  u[...]

  • Pagina 69

    Using the DP570 with Other Dolb y Equipment Dolby ® DP570 Multichannel Audio T ool User’ s Manual 53 7.2.3 Monitoring Downmixes Once  a  Dialogue  Leve l  va l u e  has  been  set  and  a  measurement  mode  selected,  check  downmixes  and  make  any  adjustments  necessary  so  tha[...]

  • Pagina 70

    54 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in Postpr oduction 7.4 Most Import ant Met adat a The  following  hig hest ‐ priority  parameters  have  the  greatest  impact  on  your  wo rk .  We  suggest  yo u  address  them  in  this  order: 1. Program  confi[...]

  • Pagina 71

    Dolby ® DP570 Multichannel Audio T ool User’ s Manual 55 Chapter 8 Using the DP570 in Master Contr ol Dolby ®  E  encoding  is  commonly  used  to  distribute  multichannel  au dio  from  a  network  center  to  multiple  affiliate  stations,  usually  via  satellite  or  optical[...]

  • Pagina 72

    56 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in Master Control Figure  8 ‐ 1  Figure  8 ‐ 2  Figure 8-1 T ypical Master Control Setup 8.2 T ypical T asks Wit h in  a  multichannel  master  control  environment,  it  is  necessary  to  experience  the  program,  bo[...]

  • Pagina 73

    Ty p i c a l Ta s k s Dolby ® DP570 Multichannel Audio T ool User’ s Manual 57 Figure  8 ‐ 3  Figure 8-2 T y pi cal Downmix Options Or ,  if  a  viewer  complains  about  the  audio  quality  on  a  mono  televi sion  when  viewing  a  5.1  program,  the  MC  operator  can ?[...]

  • Pagina 74

    58 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in Master Control 8.3 Using Unity Gain Mode Unity  Gain  mode  should  be  off  to  best  emulate  a  consumer ʹ s  listening  experience.  To  compare  between  off ‐ air  (for  example,  consumer  emulation) ?[...]

  • Pagina 75

    Dolby ® DP570 Multichannel Audio T ool User’ s Manual 59 Appendix A Configur ing a Monitor System Configuring  the  monitor  sys tem  to  establish  a  balance  between  all  channels  and  to  ensure  that  all  speakers  play  back  at  the  correct  leve l  relative  to ?[...]

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    60 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Configuring a Monitor System Figure  A ‐ 2  Figure A-2 Monitor Setup T ab A.1.2 Selecting Analog Outp ut s The  sys tem  automati cally  detects  the  presence  of  the  Cat  No.  548  Analog  Output  Card,  and  checks  the  Analo[...]

  • Pagina 77

    Assign ing Monito r System Co nfigurat ion Settin gs Dolb y ® DP570 Multichannel Audio T ool User’ s Manual 61 •I f  no  subwoofer  is  av ailable,  redirect  the  LFE  channel  to  the  Left  and  Right  channel  decoder  outputs. Bass Management This  option  determines  how  low ?[...]

  • Pagina 78

    62 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Configuring a Monitor System A.1.4 Choosing Back Surround Speakers The  setting  records  the  number  of  back  surround  speakers  you  ha ve  in  you r  monitoring  system.  The  defaul t  is  None .  If  this  not  corre[...]

  • Pagina 79

    Setting Delay Values Dolb y ® DP570 Multichannel Audio T ool User’ s Manual 63 3. Click  Enabled  to  turn  Panorama  on.  It  is  disabled  by  default. A.2 Setting Delay V alues For  optimal  performance,  signals  from  all  the  speakers  should  arriv e  at  the  reference ?[...]

  • Pagina 80

    64 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Configuring a Monitor System Surround Delay C  minus  S  (C  –  S),  the  shorter  of  the  two  surr ound  speaker  distances,  equals  the  surround  delay  setting  in  ms.  Calculating Pro Logic Delay Pro  Logic  de[...]

  • Pagina 81

    Calibrating Speaker Playback Levels Dolb y ® DP570 Multichannel Audio T ool User’ s Manual 65 Figure  A ‐ 7  Figure A-7 Digital Reference Level A.3.2 Setting the Master T rim Set  the  Mast er  Tr i m  shown  in  Figure 4 ‐ 10  to  0 . A.3.3 Setting the Master V olu me Before  generating  test  noise, ?[...]

  • Pagina 82

    66 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Configuring a Monitor System A.3.5 Generating T est Noise The  DP570  generates  two  ki nds  of  test  noise:  pink  and  filtered.  Pink  noise  exerts  an  equal  sound  pressure  level  across  the  entire  spectrum. [...]

  • Pagina 83

    Calibrating Speaker Playback Levels Dolb y ® DP570 Multichannel Audio T ool User’ s Manual 67 Figure  A ‐ 8  Figure A-8 Multichannel Trims Controls When  you  have  set  trim  levels  for  al l  you r  speakers,  click  the  test  noise  control  shown  in  Figure A ‐ 2  directly ?[...]

  • Pagina 84

    68 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Configuring a Monitor System A.3.10 Calibrating Emulator Output If  you r  DP570  does  not  include  the  Cat.  No.  548  Analog  Output  Card,  calibrate  your  speaker  sy stem  using  the  emulator  outputs  and  externa[...]

  • Pagina 85

    Dolby ® DP570 Multichannel Audio T ool User’ s Manual 69 Appendix B Connector Specifications This  appendix  gives  specifications  and  pinouts  for  all  the  connectors  used  on  the  DP570,  and  the  cables  that  can  be  used  to  connect  to  it. B.1 Front-Panel Rem[...]

  • Pagina 86

    70 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Connector Specifications B.4 Video Ref The  Vi de o Re f  connections  are  BNC  unbalanced  female  connectors  that  rece ive  NTSC  composite  programs  or  color  black  video.  Si gnal  level s  are  compliant  with  SM[...]

  • Pagina 87

    Rear-Panel Remote Dolb y ® DP570 Multichannel Audio T ool User’ s Manual 71 B.8 Rear-Panel Remote This  is  a  9 ‐ pin  female  RS ‐ 485  D ‐ connector .  The  pinout  is  SMPTE  207M  electrical/mechanical  specification  compat ible. B.9 10Base-T Port (Ethernet) The  Ethernet  port  is ?[...]

  • Pagina 88

    72 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Connector Specifications B.1 1 Stereo/Mono/Solo Analog Output This  is  a  25 ‐ pin  female  D ‐ connector . B.12 GPI/O Connector For  details  of  the  GPI/O  connector ,  see  Assigning  GPI/O  Functions  to  Specific  Pins  on ?[...]

  • Pagina 89

    Dolby ® DP570 Multichannel Audio T ool User’ s Manual 73 Appendix C Fr ont-P anel Menus This  appendix  illustrates  the  unit  front ‐ panel  menus  as  trees.  The  Setup  men u  begins  on  this  page.  The  Status  menu  is  shown  in  Status  Menu  on  page 81. [...]

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    74 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Fr ont-P anel Menus C.3 Met adat a Params Submenu Figure  C ‐ 2  Figure C-2 Metadata Parameters Submenu[...]

  • Pagina 91

    Measure Contr ol Submenu Dolby ® DP570 Multichannel Audio T ool User’ s Manual 75 C.4 Measure Control Submenu Figure  C ‐ 3  Figure C-3 Measure Control Submen u Measure Control Set Dialogue Lev Dialogue Lev –27dB Measure Control Measure Mode Measure Control Measure Reset Measure Control Channel Select Measure Control Measure Meth od Se[...]

  • Pagina 92

    76 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Fr ont-P anel Menus C.5 Monitor Control Submenu Figure  C ‐ 4  Figure C-4 Monitor Control Submenu C.5.1 Dolby Pro Logic II Submenu Figure  C ‐ 5  Figure C-5 Pro Logic II Submenu Monit or Cont rol Program Select Monitor Control Lt/Rt Input Monitor Control Extended BSI Monito[...]

  • Pagina 93

    User Preset s Submenu Dolby ® DP570 Multichannel Audio T ool User’ s Manual 77 C.6 User Preset s Submenu Figure  C ‐ 6  Figure C-6 User Presets Submenu C.7 I/O Control Submenu Figure  C ‐ 7  Figure C-7 I/O Control Submenu U s er P res et s R ec al l P res et R ec al l P res et 0 1 X Pr e se t N a me U s er P res e t s Sa ve Pr e [...]

  • Pagina 94

    78 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Fr ont-P anel Menus C.7.1 Router Config Submenu Figure  C ‐ 8  Figure C-8 Router Config Submenu C.7.2 GPI/O Setup Submenu Figure  C ‐ 9  Figure C-9 GPI/O Setup Submenu Router Out 1 Audio In 1 Save Router Preset 1 Router Config Router Pres ets Router Presets Recall Router Ro[...]

  • Pagina 95

    Monitor Conf ig Submenu Dolby ® DP570 Multichannel Audio T ool User’ s Manual 79 C.8 Monitor Config Submenu Figure  C ‐ 10  Figure C-10 Monitor Config Menu C.8.1 Speaker Config Submenu Figure  C ‐ 11  Figure C-1 1 Speaker Config Submenu Monitor Config Speak er Co nfi g Monitor Config Speaker Delays Monitor Config Speake r Tr ims [...]

  • Pagina 96

    80 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Fr ont-P anel Menus C.8.2 Speaker T rims Submenu Figure  C ‐ 12  Figure C-12 S peake r T rims Submenu Spe a ke r T r ims Master Tr im Spe a ke r T r ims Test N ois e Spe a ke r T r ims Sp e a ker Sel e ct Spe a ke r T r ims M ul t i c han Ls Spe a ke r T r ims Multic ha n R Spe a k[...]

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    Status Menu Dolby ® DP570 Multichannel Audio T ool User’ s Manual 81 C.9 S t atus Menu Figure  C ‐ 13  Figure C-13 S tatus Menu Metadata Par ams En te r t o Vi e w 5 .1+ 2 Internal P r ogr am 3/ 2 27 Master Volume Er r or St at u s En te r t o Vi e w Audi o Input Vi deo Ref User Pr eset Fi rmw a re V e rs i o n Pr ess En t e r t o vie w [...]

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    [...]

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    Dolby ® DP570 Multichannel Audio T ool User’ s Manual 83 Appendix D A Guide to Dolb y Metadata Metadata  provides  unprecedented  capability  for  content  producers  to  deliver  the  highest  quality  audio  to  consumers  in  a  range  of  listening  environments.  It  also [...]

  • Pagina 100

    84 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata Dolby  E  is  a  professional  technology  us ed  for  broadcast  applications,  such  as  program  origination  and  distribution;  the  Dolby  E  bitstream  carries  the  entire  metadata  p[...]

  • Pagina 101

    Metadata Overview Dolby ® DP570 Multichannel Audio T ool User’ s Manual 85 There  are  two  functional  classifications  of  metadata:  Professional—These  parameters  are  carried  only  in  the  Dolby  E  bits tream.  They  are  used  to  automatically  configure  a  dow[...]

  • Pagina 102

    86 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata Special Parame ters There  are  professional  parameters  in  the  Dolby  E  bitstream  that  are  not  under  direct  user  control,  such  as  Timecode  and  Pitch  Shift.  Timecode Dolby  E ?[...]

  • Pagina 103

    Dynamic Range Control Dolby ® DP570 Multichannel Audio T ool User’ s Manual 87 Dolby  Digital  consumer  decode rs  normalize  the  av erage  output  lev el—that  is ,  the  output  level  av eraged  ov er  time—to  –31  dB FS  (31  dB  below  0  dB  full ‐ scale  di[...]

  • Pagina 104

    88 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata The  Dolby  Digital  stream  carries  metad ata  for  the  tw o  possible  operating  modes  in  the  decoder .  The  operating  modes  are  known  as  Line  mode  and  RF  mode  due [...]

  • Pagina 105

    Dynamic Range Contr ol Pr ofiles Dolby ® DP570 Multichannel Audio T ool User’ s Manual 89 In  some  situations  it  may  be  nec essary  to  further  constrain  signal  peaks  abov e  the  av erage  dialogue  level  so  that  there  is  less  than  20  dB  headroom.  T[...]

  • Pagina 106

    90 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata • Speech Max  Boost:  15  dB  (below  –50  dB) Boost  Range:  –50  to  –31  dB  (5:1  ratio) Null  Band  Wi d t h :  5  dB  (–31  to  –26  dB) Early  Cut  Range:  –26  to  [...]

  • Pagina 107

    Downmixing Dolby ® DP570 Multichannel Audio T ool User’ s Manual 91 Set ‐ top  boxes,  used  to  receiv e  terre strial,  cable,  or  satell ite  digital  television,  typically  offer  an  analog  mono  signal  modulated  on  the  RF/antenna  output,  a  line ‐ level  a[...]

  • Pagina 108

    92 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata There  are  separate  metadata  pa rameters  that  govern  the  Lo/Ro  and  Lt/Rt  downmixes.  Certain  metadata  parameters  allow  the  engineer  to  select  how  the  stereo  downmix  is ?[...]

  • Pagina 109

    P arameter Definitions Dolby ® DP570 Multichannel Audio T ool User’ s Manual 93 each  program  contains  its  own  metadata.  The  default  setting  is  5.1+2.  Ta b l e D ‐ 3  shows  all  the  av ailable  configurations. Program Description T ext This  is  a  32 ‐ character  ASCII [...]

  • Pagina 110

    94 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata Figure  D ‐ 3  LFE Channel The  status  of  the  LFE  Channel  parameter  indicates  to  a  Dolby  Digital  encoder  whether  an  LFE  channel  is  present  within  the  bitstream.  Channel [...]

  • Pagina 111

    P arameter Definitions Dolby ® DP570 Multichannel Audio T ool User’ s Manual 95 Line Mode Compression Prof ile and RF Mode Compression Profile For  details  of  the  av ailable  profiles,  see  Section D.4 . RF Overmodulation Protection This  parameter  is  designe d  to  protect  against  overmodulation[...]

  • Pagina 112

    96 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata Center Downmix Level When  the  encoded  audio  has  thr ee  front  channels  (L,  C,  R),  but  the  consumer  has  only  tw o  front  speaker s  (left  and  right),  this  parameter  indicat[...]

  • Pagina 113

    P arameter Definitions Dolby ® DP570 Multichannel Audio T ool User’ s Manual 97 Audio Production Information This  parameter  indicates  whether  the  mixing  lev el  and  room  type  val u e s  are  va l i d .  Ye s  indicates  that  a  receiver  or  amplifier  can  use  these ?[...]

  • Pagina 114

    98 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata Original Bit stream This  parameter  indicates  whether  the  encoded  Dolby  Digital  bitstream  is  the  master  ver s io n  or  a  copy .  It  has  no  effect  on  Dolby  Digital  decoder s ?[...]

  • Pagina 115

    Extended Bitstream Information Par ameters Dolby ® DP570 Multichannel Audio T ool User’ s Manual 99 frequencies  above  12 0  Hz  that  wo u ld  cause  aliasing  when  decoded.  This  filter  should  only  be  switched  off  if  the  audio  to  be  enco ded  is  known  to[...]

  • Pagina 116

    100 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata AT S C  document  A/52.  The  revised  definitions  allow  more  information  to  be  carri ed  about  the  audio  program  and  also  allow  more  choic es  for  stereo  downmixing.  When ?[...]

  • Pagina 117

    Extended Bitstream Information Par ameters Dolby ® DP570 Multichannel Audio T ool User’ s Manual 101 D.7.3 Lt/Rt Surround Downmix Level This  parameter  indicates  the  level  shift  applied  to  the  surround  channels  when  downmixing  to  an  Lt/Rt  output.  Its  operation  is  simi[...]

  • Pagina 118

    102 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata D.7.6 Surround EX Mode This  parameter  is  used  to  identify  the  encoded  audio  as  material  encoded  in  Surround  EX TM .  This  parameter  is  only  used  if  the  encoded  audio  ha[...]

  • Pagina 119

    Metadata Combinations Dolby ® DP570 Multichannel Audio T ool User’ s Manual 103 Center  Dwnmix  Lev –0.707  dB (–3  dB) N/A N/A –0.707  dB (–3  dB) –0.707  dB (–3  dB) Srnd  Dwnmix  Lev –0.707  dB (–3  dB) N/A N/A –0.707  dB (–3  dB) –0.707  dB (–3  dB) Dolby  Srnd  Mo[...]

  • Pagina 120

    [...]

  • Pagina 121

    Dolby ® DP570 Multichannel Audio T ool User’ s Manual 105 A/D  Converter  Type ................. .............. ............... 102 Analog  Output  Master  Volume ......... .............. ...... 17 Applications Digital  Television ................. .............. .............. ..... 4 DVD  Mastering .............. .........[...]

  • Pagina 122

    106 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Index LFE  Channel .................... .............. .............. .............. 94 LFE  Lowpass  Filter ............. .............. ................. ...... 98 Live  Remote  Broadcast ................ .............. ........ 45 – 49 Connecting  the  DP570 ....[...]

  • Pagina 123

    Index Dolby ® DP570 Multichannel Audio T ool User’ s Manual 107 RF  Overmodulation  Protection ...................... ........ 95 Room  Type ............. .............. .............. ............... ........ 97 Safety .................... ................. .............. ............... ... iii – iv Setup  Menu ............... ..[...]