• Dolby Multichannel Dolby Digital Encoder DP569

    Our reference decoder for Dolby Digital multichannel audio, the DP569 is designed for digital television and disc-authoring applications, including automated broadcast installations and mastering for DVD and other recorded media.

    Comprehensive Dolby Digital Encoding Capabilities

    The Dolby DP569 supports encoded bit ranges from 56 to 640 kbps and channel configurations from mono to 5.1-channel surround sound. The DP569 supports all metadata, including the Dolby Digital Surround EX™ flag that enables downstream consumer A/V receivers and decoders to recognize the format. The unit provides real-time encoding for DVD authoring facilities and allows quality-control (QC) monitoring during recording.

    Broadcast Friendly

    With reliability proven in hundreds of TV stations around the world, the Dolby DP569 offers many broadcast-friendly features. Among them, an AES reference input locks the DP569 to the transmission equipment clock reference.

    The unit features selectable sample rate converters on the audio inputs. For on-air and other broadcast applications, the DP569 is capable of creating SMPTE 339M time stamp data bursts for synchronization with downstream equipment. Bypass connections enable a hot-standby mode for broadcast installations.

    Ideal for DVD Authoring

    LTC and VITC timecode inputs allow Dolby Digital bitstreams to be time-stamped to synchronize with audio and video in DVD-authoring systems. The timecode inputs allow the encoder to stop and start accurately to create separate program segments and soundtrack files for DVD authoring.

    Broadcast Industry

    Look to Dolby for the comprehensive tools, content services, and solutions you need to create, distribute, and deliver the highest-quality audio and imaging content.

    • Supports All Dolby Digital Features

      Up to 5.1 channels; encoding bit rates of 56 to 640 kbps; Dolby metadata.

    • Accepts External Metadata Input

      A rear-panel connector provides an external metadata input from other Dolby products (for example, a Dolby E Decoder DP572).

    • Fault-Monitoring Circuits

      Fault-monitoring circuits warn of actual or potential system failure (via the GPI/O port).

    • Remote-Control Capability

      Front- and rear-panel serial interfaces, along with supplied application software, make it possible to configure and control the Dolby DP569 from a Windows® based PC or other remote device.

    Dolby DP569 Specifications

    Audio Coding Algorithms

    • Dolby Digital (AC-3 as per ATSC A/52a specification)

    Audio Sampling Rates

    • 32, 44.1, or 48 kHz; user-selectable sample-rate conversion for independent input and encoded sampling rates

    Frequency Response

    • Lower limit: <20 Hz; upper limit varies with data rate, sample rate, and channel mode; ±0.25 dB

    Distortion

    • <0.01% at 1 kHz; <0.02%, 20 Hz algorithm upper limit

    Dynamic Range

    • >110 dB

    Coding Delay

    • Varies depending on operating mode; minimum 187 ms to maximum 450 ms
    • User-specified or automatic from external TTL pulse (External Delay Input)

    Test Tone Generator

    • 1 kHz (nominal) tone at 18 dB, 20 dB, or µ dB (digital silence) referenced to digital full-scale

    Power Requirements

    • 90–264 VAC, 50–60 Hz, autosensing, 15 W maximum
    • This unit is designed to operate from a centrally switched power source

    Dimensions and Weight

    • 1-U rack mount: 44 × 483 × 305 mm (1.75 × 19 × 12 in.)
    • Net: 3.9 kg (8.5 lb)

    Environmental Conditions

    • 5°C–45°C (41°F–113°F), natural convection cooling 0%–90% relative humidity (noncondensing)

    Regulatory Notices

    • North America: This unit complies with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules and Industry Canada ICES-003 Class A requirements. It is UL listed for the US and Canada.
    • Europe: This unit complies with the requirements of Low Voltage Directive 73/23/EEC and EMC Directive 89/336/EEC and carries the CE marking accordingly.

    DP569 Front Panel Specifications

    Display and Controls

    • Two-line, 16-character LCD with control keys

    Tricolor Status LEDs

    • Indicate channel activity, digital input lock, ref in, timecode, remote, fault, and error

    Presets

    • Recalls eight user-definable configurations

    RS-232 Serial Input Port

    • 8-pin female mini-DIN connector for remote control and software upgrades

    DP569 Front Panel Specifications

    Digital Audio Inputs

    • Main audio inputs: three BNC female connectors with loop-through, unbalanced, 75Ω, signal levels per AES-3ID-1995 (SMPTE 276M), external 75Ω termination required
    • Reference input: BNC female with loop-through, unbalanced, signal levels per AES-3ID-1995 (SMPTE 276M), external 75Ω termination required
    • Bypass input: relay switched to Switched Output during bypass or hot standby condition

    Digital Audio Outputs

    • Main and Switched Out: BNC female, unbalanced, 75Ω, signal levels per AES-3ID-1995 (SMPTE 276M)

    Timecode Input

    • LTC in: 3-pin XLR female, balanced, 10 kΩ VITC in: BNC female with loop-through, unbalanced, 75Ω

    RS-485 Serial Remote Control Input Port

    • 9-pin female D-connector, RS-485 (SMPTE 207M) compatible

    Metadata Input Port

    • 9-pin female D-connector, RS-485 (SMPTE 207M), compatible with metadata output of Dolby E Decoder DP572 and Dolby Multichannel Audio Tool DP570

    External Delay Input Port

    • BNC female, 0–5 V TTL level

    General Purpose Input/Output Port

    • 9-pin female D-connectors, 0–5 V TTL level
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