Resumen del contenido incluido en la página 14
Dolby E Multichannel Distribution System User Manual Introduction The rest of this chapter presents important introductory information: Section 1.1 - Unpacking and Inspection Discusses how to unpack, inspect, and check the fuses for both units. Section 1.2 - System Considerations Discusses Dolby E’s digital I/O, connector types, and signal characteristics. Section 1.3 - Connection with the DP569 Multichannel Encoder Discusses connection with a Dolby E system and metadata setup of the Dol
Resumen del contenido incluido en la página 15
Dolby E Multichannel Distribution System User Manual Introduction 1.1 Unpacking and Inspection Before unpacking the unit, inspect the outer carton for shipping damage. If the carton shows damage, inspect the unit in those areas. Several accessories are provided with the unit. These may include: Rack screws and washers Power cord BNC 75Ω terminators, used on Digital and Video Ref inputs (Part No. 79114) Spare fuse 1 A (Part. No. 56016) Spare fuse, 2 A, used on the internal power supply
Resumen del contenido incluido en la página 16
Dolby E Multichannel Distribution System User Manual Introduction Metal clip installed on unused side of carrier Open the door Top Active fuse Install fuse Figure 1-1 Checking the main fuse Internal Fuse The switching power supply contains a separate fuse. Most fault conditions should be protected by the main fuse. The internal fuse rating is: F 2A L - 2 Amp, 250 V, 20 mm, fast-acting, low-breaking capacity (for all operating voltages) 1-4 Fuse carrier
Resumen del contenido incluido en la página 17
Dolby E Multichannel Distribution System User Manual Introduction 1.2 System Considerations 1.2.1 Digital I/O The digital input and output connections on the DP571 encoder and DP572 decoder may seem unfamiliar to the first time user of a digital audio device. The Audio Engineering Society (AES) created a standard electrical interface for digital audio with a balanced XLR connector and 110Ω impedance called AES3-1995. This interface was later expanded to include an unbalanced BNC connector, 1
Resumen del contenido incluido en la página 18
Dolby E Multichannel Distribution System User Manual Introduction 1.3 Connection with the DP569 Multichannel Encoder One of Dolby E’s most important features is its ability to carry Dolby Digital metadata. The DP571 can receive metadata from an external device, such as a metadata authoring tool, or it can generate metadata internally. The DP572 decodes the Dolby E signal, extracts the metadata and sends it to the DP569 Dolby Digital encoder. Use a standard DB9 male-to-male cable (not a nul
Resumen del contenido incluido en la página 19
Dolby E Multichannel Distribution System User Manual Introduction 1.4 Front-Panel User Interface The DP571 and DP572 employ the same user interface to access menus and display status information. This section introduces the interface, controls, and display features (see Figure 1-3). Conventions The + symbol will be used to notate key sequences not simultaneous key combinations. For example, “press Shift + Setup to enter Status mode” means “press the Shift key then press the Setup key” not “pr
Resumen del contenido incluido en la página 20
Dolby E Multichannel Distribution System User Manual Introduction Figure 1-3 DP571 and DP572 front-panel controls and LEDs 1-8 Output Data Dolby E Program Config Remote Delete Insert Status 5.1 3x2 16 bit Input Channel Activity Remote Setup 20 bit 5.1+2 8x1 Dolby E TC PCM Dly 12 3 4 Dolby E Encoder 5.1+2 20bit 24 bit 5.1+2 x 1 6x1 Model DP571 Shift Enter Esc Fault Error 5 6 7 8 PCM 4x2 Other Contrast Remote V Ref Input Data Dolby E Program Config Status Remote Delete Insert 16 bit 5.1 3x2 Output
Resumen del contenido incluido en la página 1
Dolby E
Model DP571 Encoder
Model DP572 Decoder
Multichannel Distribution System
User Manual
Issue 3 Version 1.05 Part No. 91685
Resumen del contenido incluido en la página 2
Dolby Laboratories Inc www.dolby.com United States 100 Potrero Avenue San Francisco, CA 94103-4813 Telephone 415-558-0200 Facsimile 415-863-1373 United Kingdom Wootton Bassett Wiltshire SN4 8QJ England Telephone (44) 1793-842100 Facsimile (44) 1793-842101 WARNING: Troubleshooting must be performed by trained technicians. Do not attempt to service this equipment unless you are qualified to do so. DISCLAIMER OF WARRANTIES: Equipment manufactured by Dolby Laboratories is warranted against defects
Resumen del contenido incluido en la página 3
Table of Contents List of Figures ...................................................................................................................... vii List of Tables ....................................................................................................................... viii Preface Regulatory Notices...................................................................................ix Chapter 1 Introduction ..................................................................
Resumen del contenido incluido en la página 4
Chapter 3 DP571 Dolby E Encoder...................................................................... 3-1 3.1 Hardware Reference ................................................................................ 3-1 3.1.1 Digital Inputs ............................................................................... 3-3 3.1.2 Video Reference........................................................................... 3-3 3.1.3 LTC Input.................................................................
Resumen del contenido incluido en la página 5
4.2 DP572 Setup Mode Menu Reference ...................................................... 4-6 4.2.1 Operating Mode ........................................................................... 4-7 4.2.2 PCM Chan Config........................................................................ 4-8 4.2.3 Headphone Prog........................................................................... 4-9 4.2.4 Headphone Map......................................................................... 4-10 4.2.5
Resumen del contenido incluido en la página 6
Resumen del contenido incluido en la página 7
List of Figures 1-1 Checking the main fuse .................................................................................................. 1-4 1-2 Connection between a DP569 and DP572 ...................................................................... 1-6 1-3 DP571 and DP572 front-panel controls and LEDs ......................................................... 1-8 2-1 Typical Dolby E system in a postproduction facility ..................................................... 2-3 3-1 DP571
Resumen del contenido incluido en la página 8
List of Tables 1-1 LEDs common to the DP571 and DP572 .................................................................... 1-11 1-2 LEDs unique to the DP571 and DP572 ....................................................................... 1-11 1-3 Channel Activity LEDs for the DP571 and DP572 ..................................................... 1-12 1-4 RS-485 Termination jumper settings ........................................................................... 1-16 3-1 DP571 Status port p
Resumen del contenido incluido en la página 9
Dolby E Multichannel Distribution System User Manual Preface Regulatory Notices FCC This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio fre- quency energy and, if not installed and used in accordance with this in
Resumen del contenido incluido en la página 10
Dolby E Multichannel Distribution System User Manual Regulatory Notices UK As the colours of the cores in the mains lead may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows: The core which is coloured green and yellow must be connected to the terminal in the plug which is marked with the letter E or by the earth symbol or coloured green or green and yellow. The core which is coloured blue must be connected to the terminal which is mark
Resumen del contenido incluido en la página 11
Dolby E Multichannel Distribution System User Manual Regulatory Notices Important Safety Notice GB This unit complies with the safety standard IEC65. To ensure safe operation and to guard against potential shock hazard or risk of fire, the following must be observed: If the unit has a voltage selector, ensure that it is set to the correct mains voltage for your supply. If there is no voltage selector, ensure that your supply is in the correct range for the input requirement of the unit. En
Resumen del contenido incluido en la página 12
Dolby E Multichannel Distribution System User Manual Regulatory Notices E Aviso Importante De Seguridad Esta unidad cumple con la norma de seguridad IEC65. Para asegurarse un funcionamiento seguro y prevenir cualquier posible peligro de descarga o riesgo de incendio, se han de observar las siguientes precauciones: Asegúrese que el selector de tensión esté ajustado a la tensión correcta para su alimentación. Asegúrese que los fusibles colocados son del tipo y valor correctos, tal como se ma
Resumen del contenido incluido en la página 13
Dolby E Multichannel Distribution System User Manual Chapter 1 Introduction The Dolby E multichannel distribution system is the first technology that can transport multichannel audio within the digital broadcast industry’s current two-channel infra- structure. A single Dolby E bitstream can carry up to eight discrete audio channels, each with its associated Dolby Digital metadata, in a 16- or 20-bit, 48 kHz AES pair. Since Dolby E’s audio and video frame rates are identical, many common editin
