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Dolby Laboratories DP570 инструкция обслуживания

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Похожие руководства по эксплуатации

Хорошее руководство по эксплуатации

Законодательство обязывает продавца передать покупателю, вместе с товаром, руководство по эксплуатации Dolby Laboratories DP570. Отсутствие инструкции либо неправильная информация, переданная потребителю, составляют основание для рекламации в связи с несоответствием устройства с договором. В законодательстве допускается предоставлении руководства в другой, чем бумажная форме, что, в последнее время, часто используется, предоставляя графическую или электронную форму инструкции Dolby Laboratories DP570 или обучающее видео для пользователей. Условием остается четкая и понятная форма.

Что такое руководство?

Слово происходит от латинского "instructio", тоесть привести в порядок. Следовательно в инструкции Dolby Laboratories DP570 можно найти описание этапов поведения. Цель инструкции заключается в облегчении запуска, использования оборудования либо выполнения определенной деятельности. Инструкция является набором информации о предмете/услуге, подсказкой.

К сожалению немного пользователей находит время для чтения инструкций Dolby Laboratories DP570, и хорошая инструкция позволяет не только узнать ряд дополнительных функций приобретенного устройства, но и позволяет избежать возникновения большинства поломок.

Из чего должно состоять идеальное руководство по эксплуатации?

Прежде всего в инструкции Dolby Laboratories DP570 должна находится:
- информация относительно технических данных устройства Dolby Laboratories DP570
- название производителя и год производства оборудования Dolby Laboratories DP570
- правила обслуживания, настройки и ухода за оборудованием Dolby Laboratories DP570
- знаки безопасности и сертификаты, подтверждающие соответствие стандартам

Почему мы не читаем инструкций?

Как правило из-за нехватки времени и уверенности в отдельных функциональностях приобретенных устройств. К сожалению само подсоединение и запуск Dolby Laboratories DP570 это слишком мало. Инструкция заключает ряд отдельных указаний, касающихся функциональности, принципов безопасности, способов ухода (даже то, какие средства стоит использовать), возможных поломок Dolby Laboratories DP570 и способов решения проблем, возникающих во время использования. И наконец то, в инструкции можно найти адресные данные сайта Dolby Laboratories, в случае отсутствия эффективности предлагаемых решений. Сейчас очень большой популярностью пользуются инструкции в форме интересных анимаций или видео материалов, которое лучше, чем брошюра воспринимаются пользователем. Такой вид инструкции позволяет пользователю просмотреть весь фильм, не пропуская спецификацию и сложные технические описания Dolby Laboratories DP570, как это часто бывает в случае бумажной версии.

Почему стоит читать инструкции?

Прежде всего здесь мы найдем ответы касательно конструкции, возможностей устройства Dolby Laboratories DP570, использования отдельных аксессуаров и ряд информации, позволяющей вполне использовать все функции и упрощения.

После удачной покупки оборудования/устройства стоит посвятить несколько минут для ознакомления с каждой частью инструкции Dolby Laboratories DP570. Сейчас их старательно готовят или переводят, чтобы они были не только понятными для пользователя, но и чтобы выполняли свою основную информационно-поддерживающую функцию.

Содержание руководства

  • Страница 1

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

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     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[...]

  • Страница 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[...]

  • Страница 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 ?[...]

  • Страница 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[...]

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    [...]

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

  • Страница 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[...]

  • Страница 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[...]

  • Страница 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[...]

  • Страница 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[...]

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    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 ................ .......... ............. ................ ............. ..........[...]

  • Страница 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 .................. ...... ....... ................ ............. ............. ................[...]

  • Страница 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 .......... ............. ... .... ... ... ... .... ... ... ............. ... ... .... ..[...]

  • Страница 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 .... ............ ............. ................. ............ ............. ..............[...]

  • Страница 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[...]

  • Страница 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[...]

  • Страница 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[...]

  • Страница 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[...]

  • Страница 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 ?[...]

  • Страница 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 [...]

  • Страница 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[...]

  • Страница 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 ?[...]

  • Страница 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 [...]

  • Страница 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 . ?[...]

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    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  [...]

  • Страница 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[...]

  • Страница 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 ?[...]

  • Страница 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[...]

  • Страница 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[...]

  • Страница 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[...]

  • Страница 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 [...]

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    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. [...]

  • Страница 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[...]

  • Страница 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 ?[...]

  • Страница 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[...]

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    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 [...]

  • Страница 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  [...]

  • Страница 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[...]

  • Страница 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, ?[...]

  • Страница 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 [...]

  • Страница 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[...]

  • Страница 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[...]

  • Страница 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 ?[...]

  • Страница 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 ?[...]

  • Страница 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 [...]

  • Страница 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[...]

  • Страница 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[...]

  • Страница 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[...]

  • Страница 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 [...]

  • Страница 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 ?[...]

  • Страница 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[...]

  • Страница 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[...]

  • Страница 56

    [...]

  • Страница 57

    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[...]

  • Страница 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[...]

  • Страница 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 [...]

  • Страница 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 ?[...]

  • Страница 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 [...]

  • Страница 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,[...]

  • Страница 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 ?[...]

  • Страница 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 ?[...]

  • Страница 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[...]

  • Страница 66

    [...]

  • Страница 67

    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[...]

  • Страница 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[...]

  • Страница 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[...]

  • Страница 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[...]

  • Страница 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[...]

  • Страница 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[...]

  • Страница 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 ?[...]

  • Страница 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) ?[...]

  • Страница 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 ?[...]

  • Страница 76

    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[...]

  • Страница 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 ?[...]

  • Страница 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[...]

  • Страница 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 ?[...]

  • Страница 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[...]

  • Страница 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, ?[...]

  • Страница 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. [...]

  • Страница 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 ?[...]

  • Страница 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[...]

  • Страница 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[...]

  • Страница 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[...]

  • Страница 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 ?[...]

  • Страница 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 ?[...]

  • Страница 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. [...]

  • Страница 90

    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[...]

  • Страница 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[...]

  • Страница 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[...]

  • Страница 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 [...]

  • Страница 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[...]

  • Страница 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 [...]

  • Страница 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[...]

  • Страница 97

    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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  • Страница 99

    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 [...]

  • Страница 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[...]

  • Страница 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[...]

  • Страница 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 ?[...]

  • Страница 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[...]

  • Страница 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 [...]

  • Страница 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[...]

  • Страница 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  [...]

  • Страница 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[...]

  • Страница 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 ?[...]

  • Страница 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 [...]

  • Страница 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 [...]

  • Страница 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[...]

  • Страница 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[...]

  • Страница 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 ?[...]

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    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 ?[...]

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    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[...]

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    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 ?[...]

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    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[...]

  • Страница 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[...]

  • Страница 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[...]

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    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 .............. .........[...]

  • Страница 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 ....[...]

  • Страница 123

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