• Dolby Professional Reference Decoder DP568

    • The Dolby Professional Reference Decoder DP568 is a 7.1-channel decoder that assists broadcasters and manufacturers in the adoption and deployment of Dolby audio codecs.

      Dolby no longer manufactures this product but will continue to support it as per warranty. Check our list of partner products for more options.

      • Monitoring and Analysis

        The Dolby® Professional Reference Decoder DP568 is designed to help you monitor streams along multiple points of the broadcast chain. It provides a detailed analysis of Dolby audio streams, making it ideal for broadcast trials and manufacturers' test environments.

        Real-Time Decoding

        The DP568 provides real-time decoding of Dolby Digital Plus™, Dolby Digital, Dolby E, HE AAC with Dolby metadata, and Dolby Pro Logic® IIx. You can also easily monitor the enhanced features of Dolby Digital Plus, such as secondary audio bitstream mixing and 7.1-channel decoding.

        QC and Loudness Monitoring

        • Allows broadcasters to perform quality control (QC) at any point within their headends
        • Enables monitoring, display, and logging of all audio-related metadata and measurement of program loudness, using Dialogue Intelligence™, ITU-R BS.1770-2, or EBU Mode loudness estimation
        • Includes monitoring capabilities for emulating set-top box behavior in the QC environment

        Additional Capabilities

        • Consumer emulation mode for Dolby Digital Plus and Dolby multistream decoders found in consumer TVs and set-top boxes
        • Support for MPEG-2 transport stream with H.264 and MPEG-2 video decoding to help verify audio/video synchronization
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    • Dolby DP568 Front Panel

      • Multifunction Display

        For status indication and setup operations, LEDs indicate errors and presence of audio and video

      • Volume Controls

        Master and headphone levels

      • Headphone Output

        6.35 mm (1/4-in.) standard stereo headphone jack for confidence monitoring

      • USB Ports

        Two standard USB ports

      Dolby DP568 Rear Panel

      • ASI/SDI Input

        One autodetecting BNC female connector, 75Ω, unbalanced
        Autodetects and supports SD-SDI (SMPTE 259M-1998), 1.5 GB/s HD-SDI (SMPTE 292M-1998), 3.0 GB/s HD-SDI (SMPTE 424M-2008), or DVB-ASI (ETSI TR 101 891 v1.1.1)
        Supports processing of one stereo pair within the 16 embedded audio channels in SDI

      • AES Input

        One BNC female connector, unbalanced, 75Ω, signal levels per AES-3id-1995 (SMPTE 276M)
        Supports Dolby Digital Plus, Dolby Digital, Dolby E, HE AAC, and PCM input

      • Digital Audio Outputs

        Four BNC female connectors, unbalanced, 75Ω, signal levels per AES-3id-1995 (SMPTE 276M)
        Provides PCM, Dolby Digital, or Dolby Digital Plus output

      • Analog Audio Outputs

        Balanced two-channel stereo analog audio output via one 8-pin mini-DIN connector
        Breakout cable with two 3-pin XLR male connectors

      • HDMI Output

        HDMI 1.3a–compatible output with support for uncompressed video and multichannel PCM audio

      • Composite Video Output

        BNC female connector, unbalanced, 75Ω, supporting SMPTE 170M NTSC or ITU-R BT.470 PAL formats

      • Media Ethernet Port

        RJ45 connector for 1000Base-T Ethernet
        Supports MPEG-2 transport streams over UDP/RTP with IGMPv3

      • Control Ethernet Port

        RJ45 connector for 1000Base-T Ethernet
        Provides status and control through a web-based user interface

      • Dolby DP568 Specifications

        Processing Capabilities

        Audio Decoding Algorithms

        • Dolby Digital Plus (E-AC-3)
        • Dolby Digital (AC-3)
        • Dolby E, AAC, HE AAC v1, HE AAC v2 with Dolby metadata
        • Dolby Pro Logic IIx
        • MPEG-1 LII

        Video Formats Supported

        • H.264, MPEG-2
        • HD: 1080i at 25, 29.97, and 30 fps; 720p at 59.94, 60, and 50 fps
        • SD: 480i at 29.97 fps and 576i at 25 fps

        Loudness Estimation/Algorithms

        • ITU-R BS.1770-1 audio loudness measurement with Dialogue Intelligence, patented
        • ITU-R BS.1770-2 audio loudness measurement
        • EBU Mode (EBU R128)

        Peak Measurement

        • True peak per ITU-R BS.1770-1 Annex 2

        Environmental Characteristics

        Power Specifications

        • 100–240 VAC, 50–60 Hz, autosensing, 350 W, designed to operate from a centrally switched power source
        • Front-panel power switch
        • Field-replaceable power supply

        Dimensions and Weight

        • 1-U rackmount: 44 × 483 × 394 mm (1.75 × 19 × 15.50 in.)
        • Net: 6.5 kg (14.5 lb)

        Environmental Conditions

        • Operating: 0°C–40°C (32°F–104°F), fan cooling, 20%–80% relative humidity (noncondensing)

        Regulatory Notices

        • North America: UL, FCC, and CE compliant
        • Europe: complies with the European Union Directive 2002/95/EC on the restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS), as amended by Commission Decisions 2005/618/EC, 2005/717/ EC, 2005/747/EC (RoHS Directive), and WEEE