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Dolby Laboratories DP570 manuel d'utilisation

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Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage Dolby Laboratories DP570 ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles Dolby Laboratories DP570 et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service Dolby Laboratories en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées Dolby Laboratories DP570, comme c’est le cas pour la version papier.

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Table des matières du manuel d’utilisation

  • Page 1

    Dolby DP570 Multichannel Audio Tool User’s Manual Issue 3 Part Number 91753 ®[...]

  • Page 2

    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,  Inc. Wootton  Bassett Wiltshire SN4  8QJ England Telephon[...]

  • Page 3

    Dolby ® DP570 Multichannel Audio Tool User’s Manual iii Table of Contents List of Figures ............... ................ ................ ................ ................ ................ ................. ............... ....... viii List of Tables ............. ................. ................ ................ ................ ...........[...]

  • Page 4

    iv Dolby ® DP570 Multichannel Audio Too l User’s Manual 3.5 Using the Setup Menu...... .... ... ... ... .... ... ... ... ... ................. ... ... ................ ... .... ... ................ ... ....... ...... 18 3.5.1 Selecting Parameters ... ... ... ... .... ... ... ................ ... .... ... ... ... ................ .... ... ... ...[...]

  • Page 5

    Dolby ® DP570 Multichannel Audio Tool User’s Manual v 5.3 Using the DP570 with Other Dolby Equipment .... ... ................ ................ ................. ................ ...... 45 5.4 Most Important Met adata .............. ................ .................... ................ ................ ................ .. ........... 45 Chapter[...]

  • Page 6

    vi Dolby ® DP570 Multichannel Audio Tool User’s Manual A.3.5 Generating Test Noise....... ... .... ... ... ... ... .... ... ... ... .... ... ... ... .... ... ... ... ................ .... ... ... ... ... ... . ...... 68 A.3.6 Increasing the System Volu me .......... ................ ................. ................ ................... ........[...]

  • Page 7

    Dolby ® DP570 Multichannel Audio Tool User’s Manual vii D.7.3 Lt/Rt Surround Downmix Lev el....... ................... ....................... ................... .................... .... 1 02 D.7.4 Lo/Ro Center Downmix Level...... ................... .................... ................... ................... ........... 1 02 D.7.5 Lo/Ro Surr[...]

  • Page 8

    Dolby ® DP570 Multichannel Audio Tool User’s Manual viii List of Figures Figure 1-1 DP570 Functional Block Diagram ............ ......... .... ................ ................ ................... .............. 3 Figure 2-1 Monitor Configuration Tab .......... ... ... ... .... ... ... ... .... ... ... ................ ... .... ... ... .........[...]

  • Page 9

    List of Figures Dolby ® DP570 Multichannel Audio Tool User’s Manual ix Figure C-4 Monitor Control Submenu . ... .... ... ... ................ ... .... ... ... ... ................ .... ... ... ... ................ .... ... .. 77 Figure C-5 Pro Logic II Submenu .......... .... ... ... ... ... .... ... ... ... .... ................ ... ... ... ...[...]

  • Page 10

    x Dolby ® DP570 Multichannel Audio Tool User’s Manual List of Figures[...]

  • Page 11

    Dolby ® DP570 Multichannel Audio Tool User’s Manual xi List of Tables T able 3-1 Front-Panel Nav igation Buttons .............. .... ... ... ... .... ................ ... ... ... .... ... ................ ... ... .... ... ... 14 T able 3-2 Shifted Key Func tions .......... ................... ....... ............. ................ ..............[...]

  • Page 12

    xii Dolby ® DP570 Multichannel Audio Tool User’s Manual List of Table s T able D-28 Metadata Combinations ....... ................ .................... ................ ................ ................... ........... 1 04[...]

  • Page 13

    Dolby ® DP570 Multichannel Audio Tool User’s Manual 1 Chapter 1 Ov er view The  Dolby ®  DP570  provides  unprecedented  control  and  refere nce  monitoring  for  the  creation  and  delivery  of  Dolby  Digital  and  Dolby  E  surround  sound  as  well  as  metadata ?[...]

  • Page 14

    2 Dolby ® DP570 Multichannel Audio Tool User’s Manual Overvi ew Principles of Operation level,  Pro  Logic  decoding,  and  the  other  functions  controlled  by  metadata  and  experienced  by  consumers.  The  DP570’ s  conv enient  and  user ‐ friendly  interface  simplifies ?[...]

  • Page 15

    Overvi ew Principles of Operation Dolby ® DP570 Multichannel Audio Tool User’s Manual 3 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[...]

  • Page 16

    4 Dolby ® DP570 Multichannel Audio Tool User’s Manual Overvi ew Main Applications The  Cat.  No.  548  Analog  Option  Card  provides  an  analog  monitor  secti on  and  some  additional  features  to  ease  interfacing  to  existing  mixing  and  monitoring  environments. [...]

  • Page 17

    Dolby ® DP570 Multichannel Audio Tool 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 [...]

  • Page 18

    6 Dolby ® DP570 Multichannel Audio Tool User’s Manual Getting Star ted Installing the DP570 2.3.1 V enting Dolby ®  professional  audio  products  are  designed  to  operate  within  a  temperature  range  of  5°C  to  45°C.  They  use  natural  convection  cooling  and  theref[...]

  • Page 19

    Getting Star ted Installing the Remote Software Dolby ® DP570 Multichannel Audio Tool User’s Manual 7 If  there  is  no  video  input  or  the  video  input  fails,  the  DP570  generates  a  default  fra me  based  on  1,536  samples  at  the  current  audio  clock  r[...]

  • Page 20

    8 Dolby ® DP570 Multichannel Audio Tool User’s Manual Getting Star ted Installing the Remote Software 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  po[...]

  • Page 21

    Getting Star ted Installing the Remote Software Dolby ® DP570 Multichannel Audio Tool User’s Manual 9 To  end  remote  operation  and  resume  using  the  front ‐ panel  interface,  press  Shif t  then  again. 2.4.6 St arting the Remote Software To  start  the  remot e  softw are: 1. Double[...]

  • Page 22

    10 Dolby ® DP570 Multichannel Audio Tool User’s Manual Getting Star ted Selecting a Program Configuration Figure 2- 1 Monitor Configuration T ab 2.5 Selecting a Program Configuration The  first  step  in  monitoring  is  to  select  a  program  configuration  that  reflects  the  number  of  channe[...]

  • Page 23

    Getting Star ted Selecting a Program Configuration Dolby ® DP570 Multichannel Audio Tool User’s Manual 11 Figure 2- 2 Program Configuration Selecto r[...]

  • Page 24

    12 Dolby ® DP570 Multichannel Audio Tool User’s Manual Getting Star ted Selecting a Program Configuration[...]

  • Page 25

    Dolby ® DP570 Multichannel Audio Tool User’s Manual 13 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  the[...]

  • Page 26

    14 Dolby ® DP570 Multichannel Audio Tool User’s Manual Controlling the DP570 Using the Front-Panel Buttons  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.  The  main [...]

  • Page 27

    Controlling the DP570 Menu Structures Dolby ® DP570 Multichannel Audio Tool User’s Manual 15 3.1.4 Other Shif ted Functions When  the  Shift  button  is  pressed  and  li t,  the  other  keys  hav e  the  functions  listed  in  Ta b l e 3 ‐ 2. 3.2 Menu Structures The  DP570  front  panel[...]

  • Page 28

    16 Dolby ® DP570 Multichannel Audio Tool User’s Manual Controlling the DP570 Monitoring Status Using the Front Panel Figure 3- 3 Default S tatus Menu Screen The  main  status  display  includes  fiv e  elements: 1. Program  configuration:  can  contain  any  of  the  supported  program  configurations[...]

  • Page 29

    Controlling the DP570 Monitoring Status Using the Front Panel Dolby ® DP570 Multichannel Audio Tool User’s Manual 17 Basic St atus Indicators The  indicators  shown  in  Figure 3 ‐ 4  display  the  basic  status  information  listed  in  Ta b l e 3 ‐ 4.  Figure 3- 4 Basic LED Indicators Channel S t atus[...]

  • Page 30

    18 Dolby ® DP570 Multichannel Audio Tool User’s Manual Controlling the DP570 Using the Setup Menu  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 ?[...]

  • Page 31

    Controlling the DP570 Using the Setup Menu Dolby ® DP570 Multichannel Audio Tool User’s Manual 19 If  the  cursor  is  flashing  after  an  option  val u e ,  that  op tion  is  not  currently  selected.  Press  Enter  to  select  it.  Pressing  Esc  at  an  option  with [...]

  • Page 32

    20 Dolby ® DP570 Multichannel Audio Tool User’s Manual Controlling the DP570 Using the GPI/O Connector 3.5.6 Analog Output Master V olume Press  Shif t ,  Enter  to  access  the  master  volu m e  control  for  the  optional  analog  outputs. Use  the  arrow  buttons  to  adjust  the  v[...]

  • Page 33

    Controlling the DP570 Using the GPI/O Connector Dolby ® DP570 Multichannel Audio Tool User’s Manual 21 Ta b l e 3 ‐ 7  provides  a  description  for  functions  that  can  be  assigned  to  GPI  pins.  Some  functions  have  restrictions  on  the  polarity  or  trigger  type. ?[...]

  • Page 34

    22 Dolby ® DP570 Multichannel Audio Tool User’s Manual Controlling the DP570 Using the GPI/O Connector 3.6.2 Assigning GPI/O Functi ons to S pecific Pins The  GPI/O  port  is  a  female  37 ‐ pin  D ‐ connector.  See  Figure 3 ‐ 7  to  identi fy  pin  number s.  Figure 3- 7 GPI/O Pin Numbers Ta b l[...]

  • Page 35

    Controlling the DP570 Using the GPI/O Connector Dolby ® DP570 Multichannel Audio Tool User’s Manual 23 GPO Setup Output  pins  4  and  7–19  in  Figure 3 ‐ 7  and  Ta b l e  are  user ‐ defined.  To  define  a  function  for  an  output  pin,  enter  the  GPO Setup  menu [...]

  • Page 36

    24 Dolby ® DP570 Multichannel Audio Tool User’s Manual Controlling the DP570 Using the GPI/O Connector The  Function  menu  lets  yo u  assign  a  function  to  the  pin  yo u  have  selected.[...]

  • Page 37

    Dolby ® DP570 Multichannel Audio Tool User’s Manual 25 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 ?[...]

  • Page 38

    26 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 Features Generating and Adjusting Metadata 4.3.1 Choosing the Source of Met adat a Normally  yo u  will  use  an  entire  metadata  stream  from  one  source,  but  that  is  not  required.  Yo u  control  this  source [...]

  • Page 39

    Using the DP570 Features Generating and Adjusting Metadata Dolby ® DP570 Multichannel Audio Tool User’s Manual 27 Yo u  can  manuall y  modify  most  of  these  val u e s  on  the  metadata  tabs  of  the  DolbyRemote  570  application  shown  in  Figure 4 ‐ 1.  Dialogue  normaliza[...]

  • Page 40

    28 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 Features Generating and Adjusting Metadata Example 1—Overriding an Individual Parameter V alue We ’ l l  assume  you  are  using  an  external  metadata  stream.  The  output  of  the  DP570  is  feeding  a  DP571  or [...]

  • Page 41

    Using the DP570 Features Troubleshootin g Metadata Problems Dolby ® DP570 Multichannel Audio Tool User’s Manual 29 Figure 4- 2 Adding a Second Progra m 4.4 T roubleshooting Metadat a Problems The  DP570  has  several  status  indicators  to  help  troubleshoot  metadata ‐ related  problems. The  front ‐ panel[...]

  • Page 42

    30 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 Features Monitoring Downmixes 4.6 Monitoring Downmixes The  DP570  allows  you  to  audition  va ri o u s  downmixes  before  finalizing  the  content.  Previewing  downmix  conditions  is  essential  in  providing  the[...]

  • Page 43

    Using the DP570 Features Measuring and Setting the Di alogue Level Dolby ® DP570 Multichannel Audio Tool User’s Manual 31 characters  with  different  voc al  qualities.  In  programs  without  dialogue,  such  as  a  music  concert,  sections  of  av erag e  level  need  to  be  ide[...]

  • Page 44

    32 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 Features Measuring and Setting the Dialogue Le vel This  process  allows  you  to  accurately  estimate  the  average  level  of  all  of  the  individual  dialogue  sections. 1 The  term  representative  se ction  i[...]

  • Page 45

    Using the DP570 Features Measuring and Setting the Di alogue Level Dolby ® DP570 Multichannel Audio Tool User’s Manual 33 the  short ‐ term  measurement,  as  they  find  the  informat ion  on  near ‐ term  dynamics  to  be  ver y  usefu l  when  mixing  or  producing  a  program. ?[...]

  • Page 46

    34 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 Features Setting Dynamic Range Control 3. The  default  measurement  mode  is  Infinite.  Click  the  Infin ite  or  Short  Te r m  button  to  move  back  and  forth  between  the  modes. The  softw are  displ[...]

  • Page 47

    Using the DP570 Features User Presets Dolby ® DP570 Multichannel Audio Tool User’s Manual 35 4.10 User Preset s Yo u  can  save  sy stem  se ttings  in  up  to  32  separate  presets  for  quick  recall  in  the  Setup  User  Presets  window  shown  in  Figu re 4 ‐ 7.  Yo u ?[...]

  • Page 48

    36 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 Features Using Lt/Rt Input Mode 4.10.2 Emulator-Only Presets Emulator  presets  are  particularly  useful  for  checking  specific  combinations  of  downmix  and  comp ressio n  modes,  perhaps  on  a  differe nt  speaker[...]

  • Page 49

    Using the DP570 Features Channel Mapping and Input Routing Dolby ® DP570 Multichannel Audio Tool User’s Manual 37 For  an  example  of  monitoring  a  Dolby Surround  progra m  while  creating  metadata  for  a  5.1 ‐ channel  program,  see  Using  the  DP570  in  P ostproduction  [...]

  • Page 50

    38 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 Features Using an External Shaft Encoder to Control Master Volume The  DP570  input  rout er  enables  you  to  reroute  input  channels  to  conform  to  the  automatically  assigned  channel  mapping.  The  input  [...]

  • Page 51

    Using the DP570 Features Emulator Bypass Dolby ® DP570 Multichannel Audio Tool User’s Manual 39 Ta b l e 4 ‐ 6  describes  the  electrical  characteristics. 4.14 Emulator Byp ass When  you  enable  Emulator  Bypass ,  the  front ‐ panel  Esc  button  is  illuminated.  In  this  mode,  the[...]

  • Page 52

    40 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 Features Sticky Settings 4.17 Sticky Settings When  you  enable  Sticky  Settings ,  yo ur  last  settings  for  dynamic  range  control  profiles,  downmix,  speaker  selection,  LFE  mon itor ,  master  volum e,  a[...]

  • Page 53

    Using the DP570 Features Dolby Pro Logic II Support Dolby ® DP570 Multichannel Audio Tool User’s Manual 41 The  master  Vo l u m e  slider  allow  you  to  raise  or  lower  the  volu m e  of  all  the  outputs  simultaneously . 4.21 Dolby Pro Logic II Support The  DP570  supports  four ?[...]

  • Page 54

    42 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 Features Dolby Pro Logic II Support Panorama  mod e  sends  the  stereo  signal  to  the  surround  speakers  as  well  as  the  front  Left  and  Right.  The  P anorama  setting  is  disregarded  if  the[...]

  • Page 55

    Dolby ® DP570 Multichannel Audio Tool User’s Manual 43 Chapter 5 Using the DP570 in D VD Master ing During  the  DVD  mastering  process,  it  is  important  to  experie nce  the  program  in  the  same  wa y  a  viewer  wil l  in  the  home  so  that  you  can  assess[...]

  • Page 56

    44 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 in D VD Master ing Typical Tasks 5.2.1 Setting the Dialogue Level As  the  mix  is  nearing  completion,  use  the  dialogue  level  indicators  in  DolbyRemote  570  shown  in  Figure 5 ‐ 2  during  a  representativ [...]

  • Page 57

    Using the DP570 in D VD Master ing Using the DP570 with Other Dolby Equipment Dolby ® DP570 Multichannel Audio Tool User’s Manual 45 5.2.3 Monitoring Downmixes Once  dialnorm  has  been  set  and  a  measur ement  mode  selected,  check  downmixes  and  make  any  adjustments  necessary  so  [...]

  • Page 58

    46 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 in D VD Master ing Most Important Metadata 3. Dialogue  level:  the  dialnorm  parameter .  Compare  the  measured  va l u e  (shown  in  yel lo w  numbers)  to  the  dialnorm  metadata  parameter  va l u e  (shown  [...]

  • Page 59

    Dolby ® DP570 Multichannel Audio Tool User’s Manual 47 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  h[...]

  • Page 60

    48 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 in Live Remote Broadcast Typical Tasks Figure 6- 1 T ypical Live Remote T ransmission Setup 6.2 T ypical T asks A  chief  purpose  of  the  DP570  in  a  live  remote  environment  is  to  provide  downmixing  emulation,  which [...]

  • Page 61

    Using the DP570 in Live Remote Broadcast Typical Tasks Dolby ® DP570 Multichannel Audio Tool User’s Manual 49 Figure 6- 2 T ypical Downmix Parameters Further ,  you  can  assess  whether  the  announcer ʹ s  voi ce  will  surviv e  during  a  Pro  Logic ®  or  Pro  Logic  II  decode  fro[...]

  • Page 62

    50 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 in Live Remote Broadcast Using the DP570 with Other Dolby Equipment 6.2.2 Monitoring the Dialogue Level As  you  wo r k,  check  the  dialogue  level  indicators—the  yello w  num bers  shown  in  Figure 6 ‐ 3—frequently .  Make ?[...]

  • Page 63

    Using the DP570 in Live Remote Broadcast Importance of Presets Dolby ® DP570 Multichannel Audio Tool User’s Manual 51 •L t / R t  center  downmix  lev el •L t / R t  surround  downmi x  level •L o / R o  center  downmix  lev el •L o / R o  surround  mix  lev el 6.6 Import ance of Presets In  a  l[...]

  • Page 64

    52 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 in Live Remote Broadcast Importance of Presets[...]

  • Page 65

    Dolby ® DP570 Multichannel Audio Tool User’s Manual 53 Chapter 7 Using the DP570 in P ostpr oduction The  DP570  can  be  used  in  a  var i et y  of  postproduction  settings.  We  discuss  one  example. The  instructions  in  this  section  allow  you  to  use  the  DP570 [...]

  • Page 66

    54 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 in Postpr oduction Typical Activities 7.2 T ypical Activities The  DP570  is  used  in  the  monit or  chain  to  emulate  consumer ʹ s  listeni ng  environm ent. 7.2.1 Measuring Dialogue Level As  the  mix  is  nearing  com[...]

  • Page 67

    Using the DP570 in Postpr oduction Using the DP570 with Other Dolby Equipment Dolby ® DP570 Multichannel Audio Tool User’s Manual 55 Identified  Clips  on  pa ge 31  for  more  information  on  these  modes  an d  to  understand  the  differences  be twee n  them. 7.2.3 Monitoring Downmixes Once ?[...]

  • Page 68

    56 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 in Postpr oduction Most Important Metadata 7.4 Most Import ant Met adata The  following  hig hest ‐ priority  parameters  have  the  greatest  impact  on  your  wor k.  We  suggest  yo u  address  them  in  this  order: [...]

  • Page 69

    Dolby ® DP570 Multichannel Audio Tool User’s Manual 57 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  mu ltiple  affiliate  stations,  usually  via  satellite  or  optical [...]

  • Page 70

    58 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 in Master Control Typical Activities Figure 8- 1 T ypical Master Control Setup 8.2 T ypical Activities Wit hi n  a  multichannel  master  control  environment,  it  is  necessary  to  experience  the  program,  both  picture  and ?[...]

  • Page 71

    Using the DP570 in Master Control Typical Activi ties Dolby ® DP570 Multichannel Audio Tool User’s Manual 59 Figure 8- 2 T ypical Do wnmix Options Or ,  if  a  viewer  complains  about  the  au dio  quality  on  a  mono  television  when  viewing  a  5.1  program,  the  MC  operator [...]

  • Page 72

    60 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 in Master Control Using Unity Gain Mode 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  consum[...]

  • Page 73

    Dolby ® DP570 Multichannel Audio Tool User’s Manual 61 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  relativ e  to ?[...]

  • Page 74

    62 Dolby ® DP570 Multichannel Audio Tool User’s Manual Configuring a Monitor Syst em Assigning Monitor System Configuration Settings Figure A-2 Monitor Setup T ab A.1.2 Selecting Analog Outp ut s The  system  automatica lly  detects  the  presence  of  the  Cat  No.  548  Analog  Outputs  Card,  and  [...]

  • Page 75

    Configuring a Monitor Syst em Assigning Monitor System Configuration Settings Dolby ® DP570 Multichannel Audio Tool User’s Manual 63 •I f  you  have  small  Center  and  Surround  speakers,  direct  the  low  frequencies  from  those  channels  to  the  Left,  Right,  or  Subwoofer ?[...]

  • Page 76

    64 Dolby ® DP570 Multichannel Audio Tool User’s Manual Configuring a Monitor Syst em Assigning Monitor System Configuration Settings Figure A-3 Bass Management Settings A.1.4 Choosing Back Surround Speakers The  setting  records  the  number  of  back  surround  speakers  you  have  in  yo u r  monitoring ?[...]

  • Page 77

    Configuring a Monitor Syst em Setting Delay Values Dolby ® DP570 Multichannel Audio Tool User’s Manual 65 Figure A-5 Pro Log ic II Cont rols 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  s[...]

  • Page 78

    66 Dolby ® DP570 Multichannel Audio Tool User’s Manual Configuring a Monitor Syst em Setting Delay Values A.2.1 Calculating Delay V alues Center Delay L  minu s  C  (L  –  C)  equals  the  Center  delay  setting  in  milliseconds. For  example,  if  C  is  2  feet  less  than  L ?[...]

  • Page 79

    Configuring a Monitor Syst em Calibrating Speaker Playback Lev els Dolby ® DP570 Multichannel Audio Tool User’s Manual 67 A.3 Cal ibrating Speaker Playback Levels The  following  sections  discuss  and  illustra te  the  steps  in  speaker  calibration  in  the  order  they  should  be  performe[...]

  • Page 80

    68 Dolby ® DP570 Multichannel Audio Tool User’s Manual Configuring a Monitor Syst em Calibrating Speaker Playback Levels •F o r  music  mixing,  each  speaker  channel  should  be  set  to  the  same  SPL  (the  same  as  television  mixing).  There  is  no  standard  practice ?[...]

  • Page 81

    Configuring a Monitor Syst em Calibrating Speaker Playback Lev els Dolby ® DP570 Multichannel Audio Tool User’s Manual 69 A.3.7 Measuring SPL To  accurately  measure  SPL: 1. Sit  in  the  refer ence  listening  position.  Set  the  SPL  meter  to  C  wei ght ing  and  Slow  response. 2. Faci[...]

  • Page 82

    70 Dolby ® DP570 Multichannel Audio Tool User’s Manual Configuring a Monitor Syst em Assigning a Dim Setting Figure A-9 Real-time Analyzer (RT A) Display If  an  RT A  is  not  av ailable,  setting  the  LFE  channel  higher  (e. g.,  89  dBc  for  the  Subw oofer  channel  when  the  C[...]

  • Page 83

    Dolby ® DP570 Multichannel Audio Tool User’s Manual 71 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 R[...]

  • Page 84

    72 Dolby ® DP570 Multichannel Audio Tool User’s Manual Connector Specifications Video Ref B.4 Video Ref The  Vid e o  Ref  connections  are  BNC  unbalanced  female  connectors  that  receive  NTSC  composite  programs  or  color  black  video.  Si gnal  level s  are  compliant  w[...]

  • Page 85

    Connector Specifications Rear-Panel Remote Port Dolby ® DP570 Multichannel Audio Tool User’s Manual 73 B.8 Rear-Panel Remote Port 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) Th[...]

  • Page 86

    74 Dolby ® DP570 Multichannel Audio Tool User’s Manual Connector Specifications Stereo/Mono/Solo Analog Output 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 ?[...]

  • Page 87

    Dolby ® DP570 Multichannel Audio Tool User’s Manual 75 Appendix C Fr ont-Pa nel Menus This  appendix  illustrates  the  front ‐ panel  menus  as  trees,  divided  into  subsections  for  clarity .  The  Setup  menu  begins  on  this  page.  The  Status  menu  is  shown [...]

  • Page 88

    76 Dolby ® DP570 Multichannel Audio Tool User’s Manual Fr ont-P anel Menus Metadata Params Submenu C.3 Metadat a Params Submenu Figure C-2 Metadat a Parameters Submenu C.4 Measure Control Submenu Figure C-3 Measure Control Submenu 1. Dialogue Le v 11. Room Type 21. DC Filter 2. Channel Mo de 12. Copyrigh t 22 . Lowpass Filt 3. LFE Channel 13. Or[...]

  • Page 89

    Fr ont-P anel Menus Monitor Control Submenu Dolby ® DP570 Multichannel Audio Tool User’s Manual 77 C.5 Monitor Control Submenu Figure C-4 Monitor Control Submenu C.5.1 Dolby Pro Logic II Menu Submenu Figure C-5 Pro Logic II Submenu Monit or C ontr ol Program Select Monitor Control Lt/Rt Input Monitor Control Extended BSI Monitor Control Pro Logi[...]

  • Page 90

    78 Dolby ® DP570 Multichannel Audio Tool User’s Manual Fr ont-P anel Menus User Presets Submenu C.6 User Presets Submenu Figure C-6 User Presets Submenu C.7 I/O Cont rol Submenu Figure C-7 I/O Control Submenu U s er P res et s R ec all P res et R ec all P res et 0 1 X Pr e s et Na me U s er P res et s Sa ve Pr e se t Sa ve Pr e se t P res et 01 [...]

  • Page 91

    Fr ont-P anel Menus I/O Control Submenu Dolby ® DP570 Multichannel Audio Tool User’s Manual 79 C.7.1 Router Config Submenu Figure C-8 Router Config Submenu C.7.2 GPI/O Setup Submenu 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 Router Presets Save Router Rec[...]

  • Page 92

    80 Dolby ® DP570 Multichannel Audio Tool User’s Manual Fr ont-P anel Menus Monitor Config Submenu C.8 Monitor Config Submenu Figure C-10 Monitor Config Menu C.8.1 Speaker Config Submenu Figure C-1 1 S peaker Config Submenu Monitor Config Speaker Config Monitor Config Speaker D elays Monitor Control Speaker Trims Monitor Control Digital Ref Monit[...]

  • Page 93

    Fr ont-P anel Menus Monitor Config Submenu Dolby ® DP570 Multichannel Audio Tool User’s Manual 81 C.8.2 Speaker T rims Submenu Figure C-12 S peaker Trims Submenu Spe ake r T r ims Master Tr im Spe ake r T r ims Test N ois e Spe ake r T r ims Sp e a ke r Se le c t Spe ake r T r ims M ul t i c han Ls Spe ake r T r ims Multic ha n R Spe ake r T r i[...]

  • Page 94

    82 Dolby ® DP570 Multichannel Audio Tool User’s Manual Fr ont-P anel Menus Status Menu C.9 St atus Menu Figure C-13 S tatus Menu Me t adat a Par am s E n te r to V i e w 5 .1+ 2 Inter nal P r ogr am 3/ 2 27 Mas ter Vol ume Err or Status En te r to Vi e w Audi o Input Vi deo Ref User Pr eset Fi rm w a re V e rs i on Press Enter t o v i ew c ur r [...]

  • Page 95

    Dolby ® DP570 Multichannel Audio Tool 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  p[...]

  • Page 96

    84 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Metadata Overview Dolby  E  is  a  professional  technology  us ed  for  broadcast  applications,  such  as  program  origination  and  distribution;  the  Dolby  E  bitstream  carries  the  entire ?[...]

  • Page 97

    A Guide to Dolby Metadata Metadata Overview Dolby ® DP570 Multichannel Audio Tool 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 [...]

  • Page 98

    86 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Dialogue Level 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 D[...]

  • Page 99

    A Guide to Dolby Metadata Dialogue Level Dolby ® DP570 Multichannel Audio Tool User’s Manual 87 listening  environments,  and  is  essen tial  in  any  content  production,  whether  it  is  for  transmission  in  a  broadcast  stream  or  for  direct  di stribution  to  consum[...]

  • Page 100

    88 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Dynamic Range Control D.3 Dynamic Range Control Different  home  listening  environments  present  a  wide  range  of  requir ements  for  dynamic  range.  Rather  than  simply  compressing  the  audio  progra[...]

  • Page 101

    A Guide to Dolby Metadata Dynamic Range Control Profiles Dolby ® DP570 Multichannel Audio Tool User’s Manual 89 devices  are  usually  downmixing  (for  example,  wh en  receiving  a  5.1 ‐ channel  signal) .  Howeve r ,  in  these  products,  the  consumer  ma y  have  a  choice  [...]

  • Page 102

    90 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Downmixing • Film  Standard Max  Boost:  6  dB  (below  –43  dB) Boost  Range:  –43  to  –31  dB  (2:1  ratio) Null  Band  Wi d t h:  5  dB  (–31  to  –26  dB)  Early  Cut  Range:[...]

  • Page 103

    A Guide to Dolby Metadata Downmixing Dolby ® DP570 Multichannel Audio Tool User’s Manual 91 As  with  stereo  mixing  where  the  mix  is  monitored  in  mono  on  occasion  to  maintain  compatibility ,  multichannel  audio  mixing  requires  the  engineer  to  reference  t[...]

  • Page 104

    92 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Parameter Defini tions stream  to  either  a  downstream  decoder  or  an  integrated  amplifier  with  Dolby  Digital  decoding. In  each  of  these  devices,  the  analog  stereo  output  is  one[...]

  • Page 105

    A Guide to Dolby Metadata Parameter Def initions Dolby ® DP570 Multichannel Audio Tool User’s Manual 93 metadata  stream  without  Extended  BSI  parameters,  and  Extended  BSI  parameters  translate  seamlessly  to  decoders  that  read  only  universa l  parameters. D.6.1 Universal Paramet[...]

  • Page 106

    94 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Parameter Defini tions Dialogue Level The  Dialogue  Lev el  parameter  is  discusse d  in  Dialogue  Level  on  page 86. Channel Mode This  paramete r  (also  known  as  Audio  Coding  mode )  indicates  the [...]

  • Page 107

    A Guide to Dolby Metadata Parameter Def initions Dolby ® DP570 Multichannel Audio Tool User’s Manual 95 Channel  parameter  can  be  set.  Yo u  must  have  at  least  thr ee  channels  to  be  able  to  add  an  LFE  channel. Bit stream Mode This  parameter  describes  the  au[...]

  • Page 108

    96 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Parameter Defini tions Line Mode Compression Prof ile and RF Mode Compression Profile For  details  of  the  av ailable  profiles,  see  Dynamic  Range  Control  Profiles  on  page 89. RF Overmodulation Protection This  paramet[...]

  • Page 109

    A Guide to Dolby Metadata Parameter Def initions Dolby ® DP570 Multichannel Audio Tool User’s Manual 97 parameter  during  downmixing  in  Lo/Ro  mode  wh en  Extended  BSI  parameters  are  not  active. Surround Downmix Level When  the  encoded  audio  has  one  or  more  Surround  [...]

  • Page 110

    98 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Parameter Defini tions Audio Production Information This  parameter  indicates  whether  the  mixing  lev el  and  room  type  val ue s  are  va l i d .  Ye s  indicates  that  a  receiver  or  amplifier  c[...]

  • Page 111

    A Guide to Dolby Metadata Parameter Def initions Dolby ® DP570 Multichannel Audio Tool User’s Manual 99 Copyright Bit This  parameter  indicates  whether  the  encoded  Dolby  Digital  bitstream  is  copyright  protected.  It  has  no  effect  on  Dolby  Di gital  decoders  and  its [...]

  • Page 112

    100 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Parameter Defini tions it  prevents  aliasing  on  decoding  and  is  normally  switched  on.  This  parameter  is  not  passed  to  the  consumer  decoder . LFE Lowp ass Filter This  parameter  determines[...]

  • Page 113

    A Guide to Dolby Metadata Extended Bitstream Information Parameters Dolby ® DP570 Multichannel Audio Tool User’s Manual 101 Digital  program  is  decod ed  to  5.1  channels,  but  it  provides  an  Lt/Rt  output  that  can  be  decoded  with  Pro  Logic  to  L,  C,  R,  S, [...]

  • Page 114

    102 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Extended Bitstream Information Parameters D.7.2 Lt/Rt Center Downmix Level This  parameter  indicates  the  level  shift  applied  to  the  Center  channel  when  adding  to  the  left  and  right  outputs  a[...]

  • Page 115

    A Guide to Dolby Metadata Extended Bitstream Information Parameters Dolby ® DP570 Multichannel Audio Tool User’s Manual 103 D.7.5 Lo/Ro Surround Downmix Level This  parameter  indicates  the  level  shift  applied  to  the  Surround  channels  when  downmixing  to  an  Lo/Ro  output.  When  E[...]

  • Page 116

    104 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Metadata Combinations D.7.7 A/D Converter T ype This  parameter  allows  audio  that  has  passed  thr ough  a  particular  A/D  conversion  st age  to  be  marked  as  such,  so  that  a  decoder  m[...]

  • Page 117

    A Guide to Dolby Metadata Metadata Combinations Dolby ® DP570 Multichannel Audio Tool User’s Manual 105 Copyright Y es Y es Y es Y es Y es Original  Bitstream Y es Y es Y es Y es Y es Preferred  Stereo  Downmix Lt/Rt  Preferred Lt/Rt  Preferred N/A Lo/Ro  Preferred Lt/Rt  Preferred Lt/Rt  Center  Downmix  Lev el –[...]

  • Page 118

    106 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Metadata Combinations[...]

  • Page 119

    Dolby ® DP570 Multichannel Audio Tool User’s Manual 107 Appendix E Regulator y Notices and Fuse Information This  appendix  contains  important  safety  information   re quired  in  the  United  States,  Canada,  the  United  Kingdom  and  the  European  Union.  It  also  contains[...]

  • Page 120

    108 Dolby ® DP570 Multichannel Audio Tool User’s Manual Regulator y Notices and Fuse Information Regulatory Notices 13. On  some  equipment,  the  appliance  coupler  (pow er  cord)  is  used  as  the  mains  disconnect  device  and  should  be  readily  accessible  and  fre e  fr[...]

  • Page 121

    Regulator y Notices and Fuse Information Regulatory Notices Dolby ® DP570 Multichannel Audio Tool User’s Manual 109 Import ant – Safety Notice Great Brit ain This  unit  complies  with  the  safety  stand ard  EN60065.  The  unit  shall  not  be  exposed  to  dripping  or  sp lashing  and ?[...]

  • Page 122

    110 Dolby ® DP570 Multichannel Audio Tool User’s Manual Regulator y Notices and Fuse Information Regulatory Notices •D i e  Sicherungen  müssen  in  Ty p  und  Stromwert  mit  den  Angaben  auf  dem  Gerät  übereinstimmen. •D i e  Erdung  des  Gerätes  muß  über  eine  geerdet[...]

  • Page 123

    Regulator y Notices and Fuse Information Product End-of-Lif e Information Dolby ® DP570 Multichannel Audio Tool User’s Manual 111 utrustningen.  För  att  garantera  säkerheten  och  gardera  mot  ev entuell  elchock  eller  brandrisk,  måste  följande  observeras: • Kontrollera  att  spänni[...]

  • Page 124

    112 Dolby ® DP570 Multichannel Audio Tool User’s Manual Regulator y Notices and Fuse Information Fuse Information E.3.1 Main Fuse The  main  fuse  rating  is  T  1A  L  (1  amp,  250  V,  20  mm,  time ‐ lag,  low  breaking  capacity)  for  all  operating  voltages. To  inspect [...]

  • Page 125

    Dolby ® DP570 Multichannel Audio Tool User’s Manual 113 Index A/D  Converter  Type ................. .............. .............. . 104 Analog  Output  Master  Volume ......... .............. ...... 20 Applications Digital  Television . ................. .............. .............. .. 4 DVD  Mastering ............ .......[...]

  • Page 126

    114 Dolby ® DP570 Multichannel Audio Tool User’s Manual Unity  Gain  Mode ............... .............. ........... ...... 50 Lo/Ro Center  Downmix  Level ........ .............. ............ 102 Surround  Downmix  Level ...... .............. ......... 103 Lowpass  Filter......................... .............. ............[...]

  • Page 127

    Dolby ® DP570 Multichannel Audio Tool User’s Manual 115 Surround  3  dB  Attenuation ............. ............... ...... 100 Surround  Downmix  Level .... .............. ............ ........ 97 Surround  EX  Mode ..... .............. .............. .............. . 103 Surround  Phase  Shift ..... .............. ....[...]