Dolby Laboratories DP570 manual

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Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones Dolby Laboratories DP570. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica Dolby Laboratories DP570 o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual Dolby Laboratories DP570 se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales Dolby Laboratories DP570, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones Dolby Laboratories DP570 debe contener:
- información acerca de las especificaciones técnicas del dispositivo Dolby Laboratories DP570
- nombre de fabricante y año de fabricación del dispositivo Dolby Laboratories DP570
- condiciones de uso, configuración y mantenimiento del dispositivo Dolby Laboratories DP570
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de Dolby Laboratories DP570 no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de Dolby Laboratories DP570 y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico Dolby Laboratories en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de Dolby Laboratories DP570, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo Dolby Laboratories DP570, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual Dolby Laboratories DP570. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

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     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[...]

  • Página 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[...]

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    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 ?[...]

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

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    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[...]

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    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[...]

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    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[...]

  • Página 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 ................ .......... ............. ................ ............. ..........[...]

  • Página 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 .................. ...... ....... ................ ............. ............. ................[...]

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

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

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    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[...]

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    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[...]

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    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[...]

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    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[...]

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    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 ?[...]

  • Página 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 [...]

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    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[...]

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    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 ?[...]

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    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 [...]

  • Página 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  [...]

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    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[...]

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    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 ?[...]

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    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[...]

  • Página 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[...]

  • Página 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[...]

  • Página 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 [...]

  • Página 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. [...]

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    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[...]

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    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 ?[...]

  • Página 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 [...]

  • Página 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  [...]

  • Página 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[...]

  • Página 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, ?[...]

  • Página 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 [...]

  • Página 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[...]

  • Página 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[...]

  • Página 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 ?[...]

  • Página 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 ?[...]

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    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 [...]

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    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[...]

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    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[...]

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    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[...]

  • Página 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 [...]

  • Página 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 ?[...]

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    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[...]

  • Página 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[...]

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    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[...]

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    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 [...]

  • Página 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 ?[...]

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    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 [...]

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    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,[...]

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    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 ?[...]

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    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 ?[...]

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    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[...]

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    [...]

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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[...]

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    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[...]

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    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[...]

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    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[...]

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    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[...]

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    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[...]

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    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 ?[...]

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    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) ?[...]

  • Página 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[...]

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    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 ?[...]

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    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[...]

  • Página 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 ?[...]

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    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[...]

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    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, ?[...]

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    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. [...]

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    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 ?[...]

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    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[...]

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    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[...]

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    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[...]

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    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 ?[...]

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    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 ?[...]

  • Página 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[...]

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    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[...]

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    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[...]

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    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 [...]

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    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[...]

  • Página 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 [...]

  • Página 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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    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 [...]

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    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[...]

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    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[...]

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    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 ?[...]

  • Página 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[...]

  • Página 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 [...]

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    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[...]

  • Página 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  [...]

  • Página 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[...]

  • Página 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 ?[...]

  • Página 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 [...]

  • Página 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 [...]

  • Página 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[...]

  • Página 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[...]

  • Página 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 ?[...]

  • Página 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 ?[...]

  • Página 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[...]

  • Página 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 ?[...]

  • Página 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[...]

  • Página 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[...]

  • Página 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[...]

  • Página 120

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  • Página 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 .............. .........[...]

  • Página 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 ....[...]

  • Página 123

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