Dolby Professional Reference Decoder DP580 User's guide V2.
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Contents Contents 1 Introduction to the Dolby Professional Reference Decoder DP580 documentation .................................................................................................. 5 1.1 Using this information..................................................................................... 5 1.2 Speaker name abbreviations........................................................................... 5 1.3 Questions and feedback.................................................................
Contents 4.4 4.5 Configuring DP580 output............................................................................ 25 HDMI tab......................................................................................................... 26 4.5.1 HDMI sink device panel...................................................................... 26 4.5.2 EDID configuration panel................................................................... 27 4.6 Selecting loudness setup options.................................
Introduction to the Dolby Professional Reference Decoder DP580 documentation 1 Introduction to the Dolby Professional Reference Decoder DP580 documentation This documentation provides functionality, installation, and operational information about the Dolby Professional Reference Decoder DP580. • • • Using this information Speaker name abbreviations Questions and feedback 1.
Introduction to the Dolby Professional Reference Decoder DP580 documentation Table 1: Speaker abbreviations (continued) Speaker name Abbreviation Left top front Ltf Right top front Rtf Left top middle Ltm Right top middle Rtm Left top rear Ltr Right top rear Rtr 1.3 Questions and feedback Support services are available to address any questions about this hardware product. For any questions regarding the described technology, contact broadcastsupport@dolby.com.
Overview of the Dolby Professional Reference Decoder DP580 2 Overview of the Dolby Professional Reference Decoder DP580 Use the DP580 to decode and monitor Dolby audio content in a broadcast environment, including pass-through of Dolby Digital or Dolby Digital Plus on an HDMI input. The DP580 supports Dolby technologies such as Dolby AC-4 and Dolby Digital Plus with Dolby Atmos content that are used to deliver personalized or immersive experiences at low bit rates.
Overview of the Dolby Professional Reference Decoder DP580 2.1.1 Dolby AC-4 features The key aspects of Dolby AC-4 highlight the improvements and expanded user experiences that the product brings to the broadcast environment. The list provided here does not cover all aspects of Dolby AC-4. For a complete description, refer to the respective specifications (ETSI TS 103 190-1 for channel-based audio and ETSI TS 103 190-2 for immersive and personalized audio).
Overview of the Dolby Professional Reference Decoder DP580 2.1.2 Dolby Atmos Dolby Atmos is an object-based audio technology for creating and reproducing spatial audio. The Dolby Atmos platform encompasses products, services, and technologies and includes authoring, distribution, and playback tools for both linear and nonlinear content.
Overview of the Dolby Professional Reference Decoder DP580 Encoding tool and conversion metadata A bitstream contains metadata generated by coding tools as well as metadata values that enable a decoder to convert a Dolby Digital Plus bitstream to Dolby Digital without fully decoding it. Multiple downmix options A bitstream can carry downmix coefficients for stereo, Dolby Surround compatible, and Dolby Pro Logic II compatible downmixes. 2.1.
Overview of the Dolby Professional Reference Decoder DP580 The Dolby Professional Reference Decoder DP580 includes these new features: • Dolby AC-4 decoding on IP, serial digital interface (SDI), and Audio Engineering Society (AES) inputs • Selection of language presentation (Dolby AC-4) • Dynamic range control (Dolby AC-4) • Dialogue enhancement (Dolby AC-4) • Dolby Digital Plus with Dolby Atmos content decoding on IP, SDI, AES, and HDMI inputs • Dolby ED2 decoding on SDI inputs • Monitoring of each pre
Overview of the Dolby Professional Reference Decoder DP580 • Red for five seconds indicates a video decoder error. • Off indicates that the unit is acquiring an output lock or that the unit is receiving audio only. 4: Error LED Red for five seconds indicates an audio or video decoding error. This parallels the behavior of the matching LEDs on the panel. Check the event logs for specific information.
Overview of the Dolby Professional Reference Decoder DP580 The DP580 rear panel includes the components shown in this image. Figure 2: DP580 rear panel 1: AC power connector Connects to the AC power cord provided with the unit. 2: AES input port Receives PCM, Dolby Digital Plus with Dolby Atmos content, Dolby E, and Dolby ED2 signals. The system recognizes each signal type and processes the signal appropriately. This input is an unbalanced 75Ω female high-density BNC connector per AES3-4-2009.
Overview of the Dolby Professional Reference Decoder DP580 2.6.2 Environmental specifications These are the temperature and humidity operating ranges for the DP580. The DP580: • Operates at temperatures between 10º and 35ºC • Supports operation with relative noncondensing humidity levels between 5% and 90% 2.6.3 Power requirements These are the DP580 power minimums and maximums. The DP580 operates with a power input of between 100 and 240 VAC, 50–60 Hz, and 350 W.
Getting started 3 Getting started The installation procedures let you prepare the DP580 unit for usage. • • • • • • • Installation sequence Installing the hardware Network configuration Starting up or rebooting the system Upgrading the system software Configuring NTP Setting the system clock 3.1 Installation sequence Installing the DP580 requires that you complete these tasks. 1. Mount the DP580 in a rack to secure it in place. 2. Connect the power cable. 3.
Getting started About this task Default factory settings configure the port to acquire an IP address via DHCP. Alternatively, you can configure a static IP address. Procedure 1. Press the escape key in the front-panel navigation key set. The DP580 menu is displayed. 2. Press the enter key three times to display the IP Settings menu. Two options are displayed: Command Interface and Media Interface. 3. Press the right arrow to display the Network Mode menu for the Command Interface. 4.
Getting started • To reboot the system at any time, press the reset button on the front panel of the unit or, in the web client graphical user interface (GUI), select System > Admin > Reboot, and then click Reboot. 3.5 Upgrading the system software Use the .dlb file to install the new software version on the DP580 unit. Prerequisites The upgrade procedure clears the event log, therefore we recommend saving it on your hard drive before you start the upgrade.
Getting started Procedure 1. Under the System menu, click Administration and then scroll to the System clock panel. 2. Check the Current Date/Time setting: • If it does not reflect the exact local date and time, proceed to the next step. • If the date and time are correct, installation and setup are complete and you can proceed to other operations. 3.
Dolby Professional Reference Decoder DP580 operations 4 Dolby Professional Reference Decoder DP580 operations Use the Dolby Professional Reference Decoder DP580 to monitor inputs, and to configure decoding and output. • • • • • • DP580 display bar Bitstream decoding and monitoring Decoder configuration options Configuring DP580 output HDMI tab Selecting loudness setup options The general sequence for decoding operations is: 1. Select the input, presentation (if available), source, and channel pair. 2.
Dolby Professional Reference Decoder DP580 operations 4.1.1 Input source display This section of the display bar shows the current input source (for example, IP, SDI, or AES), and the selected audio and video streams. A green dot indicates that the decoder is receiving the signal for that source; a red dot indicates that no signal is available for that source. 4.1.
Dolby Professional Reference Decoder DP580 operations 4.2 Bitstream decoding and monitoring Using the DP580 to decode and monitor incoming bitstreams begins with the selection of the input signal type. The type of bitstream coming from a source determines the available configuration and output options. In most scenarios, the DP580 monitors the output of an encoded bitstream to ensure that the intended codec or contribution format is correctly output throughout the broadcast stream. 4.2.
Dolby Professional Reference Decoder DP580 operations a) In the Name field, enter a name for your media source. b) From the Mode menu, select a mode (Multicast or Unicast). c) For a multicast group enter the appropriate group IP address and, if required, the IP address of the source device in the IGMPv3 Source IP field. d) In the Port field, enter a port for your source. e) Click Save. A new bookmark is added to the Bookmarks panel list. 4. Select the Input tab. 5. From the Input drop-down list, select IP.
Dolby Professional Reference Decoder DP580 operations that language name is displayed in the field; if metadata for more than one language is present in the bitstream, you can select from those options. 5. Confirm the input source, the audio channel selection, and the presence of a video stream in the upper panel of the UI with the panel LEDs. 6. Monitor the individual channel outputs in the output meter in the upper-right panel of the UI. 7. Select loudness settings in the Status > Loudness tab.
Dolby Professional Reference Decoder DP580 operations Procedure 1. From the Setup menu, select Decoder Configuration. 2. In the Associated Audio panel, set the available options, as follows: Option Description Associated Audio Mixing Select On or Off depending on whether an associated audio stream is being decoded. Associated Audio Types Select the type that corresponds to your associated audio stream: • Undefined: Associated stream has no transport stream descriptor tag to identify its type.
Dolby Professional Reference Decoder DP580 operations Procedure 1. From the Setup menu, select Decoder Configuration. 2. In the Dolby Digital Plus Configuration panel, set the available options, as follows: Option Description Compression Mode Setting a compression mode is not required. If you do not need or want to set the mode, leave the default selection as None. Otherwise, select the Line or RF mode as appropriate to your decoding requirements.
Dolby Professional Reference Decoder DP580 operations Procedure 1. From the Setup menu, select Output Configuration. 2. In the Output Configuration panel, set the appropriate options, as follows: Option Description Output Interface (for HDMI input) If the selected input is HDMI, you can output to either HDMI or SDI (exclusively, not concurrently). The HDMI output is enabled by default. For HDMI output, you can select either PCM or a pass-through of Dolby Digital Plus.
Dolby Professional Reference Decoder DP580 operations 4.5.2 EDID configuration panel Your selections in the Extended Display Identification Data (EDID) configuration panel of the DP580 indicate to an upstream device (such as a Blu-ray player) the Dolby codecs and the number of channels that a downstream receiver is capable of processing. Use the panel to configure settings for EDID information provided to those devices that use an HDMI connection.
Dolby Professional Reference Decoder DP580 operations Option Description Loudness Metering Mode The applied metering mode is ITU-R BS.1770-4, with or without Dolby Dialogue Intelligence, depending on whether you have applied Dialogue Intelligence to the broadcast stream. Speech Threshold Set the loudness speech threshold to any setting between 1 and 100 percent. The default setting is 20 percent. 4.6.
Dolby Professional Reference Decoder DP580 administration 5 Dolby Professional Reference Decoder DP580 administration The Network and Administration web UI pages of the DP580 provide information and controls that apply to the entire unit. Use these pages to verify or change settings according to your decoding requirements. 5.1 Administrative functions The administrative pages of the DP580 enable control of network and system settings for both initial setup and subsequent changes in the unit environment.
Dolby Professional Reference Decoder DP580 administration Procedure 1. On the DP580 web client UI, under System, select the Network page. 2. Verify that the network interface status and configuration settings are valid for your current decoding environment, and make changes as necessary. 3. Select the Admin page, and then verify that the remaining system settings are acceptable. Make changes as necessary. 5.1.
Event and system logs 6 Event and system logs You can view or download event logs or system logs to obtain specific data. • • • • • Event and system log descriptions Opening the event logs view Event log browsing options Downloading event logs Downloading system logs 6.1 Event and system log descriptions The DP580 logs provide a record of unit operations and behavior.
Event and system logs • Under Status on the navigation bar, select Event Logs to open the event logs view. 6.3 Event log browsing options Use the event log browsing options to manage the log and filter out different types of messages. Table 3: Browsing options and message filters Label Options Description Show All - Clears all filters, and shows all messages. Level All Levels (default) Shows messages of all types. Info Shows information type messages only. Warning Shows warning messages only.
Event and system logs Procedure 1. On the web UI, under Status on the navigation bar, select Event Logs. 2. Click Download to save the event logs available in the Event Logs view to a file on your hard disk. 6.5 Downloading system logs Save the system logs to your hard disk, and send them to Dolby Laboratories for detailed analysis and response. About this task System logs include detailed information required by Dolby Laboratories for support when system failures occur. Procedure 1.
Glossary Glossary AAC Advanced Audio Coding. A perceptual audio coding system that is described by ISO/ IEC 14496‑3. AES Audio Engineering Society. An international organization that promotes advances in audio and disseminates new knowledge and research. AES3 A standard jointly developed by the Audio Engineering Society (AES) and the European Broadcasting Union (EBU) that specifies serial transmission of two-channel linearly represented digital audio data on various media. ARC Audio Return Channel.
Glossary dialogue enhancement A feature that detects the presence of dialogue, and dynamically applies processing to improve the intelligibility of the spoken portion of an audio program. DTV Digital television. DVB Digital Video Broadcasting. A consortium for designing open technical standards for the global delivery of digital television and data services. dynamic range control An audio compression metadata parameter applied to audio to limit the dynamic range. EBU European Broadcasting Union.
Glossary object-based audio Consists of one or more audio signals and associated metadata. Object-based audio can contain bed objects (channel-based audio) with a fixed nominal playback position, dynamic objects with explicit positional metadata that can change with time, and/or intermediate spatial format objects. Object-based audio is closely linked to auditory image position rather than assumed loudspeaker positions. Pa The name of a start-of-frame marker defined in SMPTE 337‑2008.
