8 Channel Surround Audio Processor - D*AP8 FLX

Providing an adaptable approach to digital audio processing, the D*AP8 FLX offers complete flexibility from a choice of multiple I/O formats including AES, SDI, MADI, Dante™ and analog, coupled with an extensive list of license based processing options to create a fully customized solution in an efficient and space saving 1RU form factor.

    Designed to be easily upgradable through the installation of additional licenses, the D*AP8 FLX is a cost effective surround digital audio processor that can grow and expand to match the evolving needs of a wide range of applications in broadcast or production.

    • Overview

    In it’s entry-level form, the D*AP8 FLX provides four channels of AES audio I/O (4 x 2.0) with brickwall true peak limiting as standard. A choice of software-based licenses can be then be added to unlock an extensive range of algorithms and processes:

    • Level Magic™ loudness management

    Based on a unique multi-loop control principle, the Level Magic™ algorithm provides adaptive wideband loudness control with exceptionally high audio quality that is free of coloration, pumping, distortion or modulation effects. Level Magic™ combines three major gain changing elements:

    • Adaptive AGC
    • Transient Processor
    • Distortion-free true peak limiter

    • Level Magic™ is designed to be audibly transparent and due to its highly adaptive nature, requires only a small number of parameters to be input during initial set up.

    • Dynamics Processing

    The dynamics section comprises of an upward compressor that controls dynamic range but retains the micro dynamic structure, and an expander/gate to remove low-level noise without introducing artifacts.

    • Parametric EQ and Spectral Signature™
    • A comprehensive 5-band Parametric EQ is coupled with Jünger Audio’s Spectral Signature™ dynamic equalizer, a powerful creative tool allowing adaptive control of the spectral balance of your content. Spectral Signature™ analyzes incoming audio and compares its spectral structure with a predetermined “reference” curve. This allows dynamic EQ corrections to be applied only if necessary to achieve a consistent sound image and tonal balance.

    • Fail Over and Upmix

    When broadcasting a mix of stereo and 5.1 content, it can be disturbing to viewers when the surround field collapses back to stereo and vice-versa. Upmix can be set to detect stereo only content and automatically create 5.1 in order to maintain a consistent surround experience. Existing 5.1 content will pass untouched. Fail Over ensures that if the primary signal is lost, the unit can switch automatically to a secondary back up feed.

    • Voice Over

    Voice Over provides seamless integration of voice and program content in situations such as continuity announcements or video description with automatic ducking.

    • System Integration

    All system parameters are remotely accessible allowing the unit to be integrated and remotely operated by external control systems. An advanced built-in Event Management tool allows the remote loading of parameter presets either by hotkeys on the optional X*AP RM1 remote panel, by 8 onboard GPI/O’s or by network commands using the Ember+™ control protocol. This helps users to apply individual processing to their programs or content and thereby ensure maximum audio performance in all situations.

    • Web Configuration

    A web interface allows easy and intuitive setup and configuration from anywhere in your network. Most parameters are based on the principle of “set and forget” so with a small number of initial settings, the unit can be up and running on air within minutes. On screen metering and measurements are available for easy reference and a dedicated “mobile” UI is tailored specifically for smaller displays such as tablets or smartphones.

    • Interfaces and System Security

    Audio I/O’s range from on board native AES3 to optional 3G SDI including video delay, MADI, Dante™ audio over IP and also analog. Power fail bypass relays are fitted as standard and with dual redundant PSU’s and SNMP integration, the unit ensures maximum operational safety and peace of mind for today’s critical 24/7 broadcast or content delivery facilities.

    D*AP8 FLX Feature Set
    D*AP8 FLX Feature Set

    Key Features

    DAP*8 FLX Processing Block Diagram / Featured Licenses
    DAP*8 FLX Processing Block Diagram / Featured Licenses
    • Multi channel / Multi format audio processing
    • Flexible feature set, configurable by licenses
    • True peak limiter
    • Level Magic™ loudness management (optional) according to: ITU-R BS.1770 (all revisions), EBU R128, ATSC A/85, ARIB TR-B32, Free TV OP-59 and Portaria 354
    • Optional Upmix and Fail Over functionality
    • Optional audio encoding & decoding: Dolby® Digital Plus, Dolby® Digital, Dolby® E, Pro Logic II, AAC, HE-AAC v1/2
    • Dolby® Metadata management and optional emulation
    • Loudness measurement supporting all worldwide standards
    • Optional loudness logging software (J*AM)
    • On board interfaces: 4x AES/EBU I/O, Sync in, Sync out, Metadata I/O, 8 GPI/O
    • I/O modularity via 2 interface slots (e.g., 2 SDI streams)
    • Ethernet connectivity for set up and control via web browser
    • External control via network or GPI/O’s
    • Power-fail bypass relays
    • 19”, 1RU device, redundant PSU

    Versions & Options

    • D*AP8 FLX: D*AP8 base unit with flexible feature set
    • X*AP RM1: hardware remote control linked via Ethernet
    • Option Board 16ch SDI I/O (3G/HD/SD)
    • Option Board 4ch analog I/O
    • Option Board 8ch analog Out
    • Option Board 8ch AES/EBU I/O
    • Option Board 16ch DanteTM Audio over IP
    • Option Board 16ch MADI I/O
    • Option Board Dolby® D / D+ / E decoder, Pro Logic II (Dec/Enc), Dolby® Metadata emulation
    • Option Board Dolby® D / D+ / AAC / HE-AAC encoder
    • Option Board Dolby® E encoder
    • License Level Magic™ loudness management
    • License Dynamics with compressor and expander
    • License EQ with parametric EQ and Spectral Signature™
    • License Fail Over and Automatic Upmix
    • License Voice Over


    All Jünger Loudness control / - Management devices from all product lines share a neat feature: The gathered measurement data is made available for downstream measurement applications via Ethernet. Learn more about at Measurement and Logging Software Tools.

    • Jünger Application Manager - J*AM
      System: MS Windows™
      download (ZIP, 23.4 MB)
      Changelog (2017-08-31):


      • Fixed integration range issue in Log Analyzer


      • Fixed parameter inconsistencies occurred while network interruptions
      • Added support for C8492 PM5 and C8092 PM5
      • Added support for C8702 logger version 6


      • Added support for V*AP v2.0.1

    Product Brief



    • D*AP8 FLX / TAP EDITION / CODEC EDITION rel_dap8_mei_5_1_2.zip download (ZIP, 39.1 MB)
      Changelog 5.1.2 (2017-03-17):

      Firmware for D*AP8 FLX, TAP EDITION and CODEC EDITION

      Changes 5.1.2:

      • fixed (Backup/Restore) coprocessor, watermarking and measurement were missing in preset restore filter list

      Changes 5.1.0:

      • new feature (Dante) Dante firmware version updated - device is now prepared for AES67 mode operation
      • new feature (Audio) Spectral Signature can now be set to manual freeze to stop it from reacting on unwanted audio signals or make use of it as a static equalizer
      • new feature (XAP) automatically reconnects after network drop out or power down (XAP firmware update required!)
      • new feature (XAP) automatic IP-conflict detection and warning (XAP firmware update required!)
      • new feature (Web UI) Dante locked status and AES67 mode shown on Dante interface status page
      • new feature (DOLBY) Cat1100 firmware supported
      • improved (Web UI) routing matrix scaling permanently enabled
      • improved (Web UI) X*AP enable checkboxes greyed out for Remote Hotkeys greater than eight
      • fixed (JDSPA) system is no longer trying to fetch parameters from JDSPA if only the bootloader and no firmware is present
      • fixed (Web UI) integrated output loudness was not shown in measurement
      • fixed (Web UI) time and date are no longer restored from backup file
      • fixed (Web UI) issue when setting crosspoints in Google Chrome

      Changes 5.0.3 r3:

      • added factory default presets file to firmware package please see enclosed ‘how to’ guide for restore instructions

      Changes 5.0.3 r2:

      • added new manual to zip file

      Changes 5.0.3:

      • new feature (Audio) added Fail Return time to Surround Detector in Upmix
      • new feature (Audio) Fail Over Wait and Return times increased to a maximum of 120 seconds

      • improved (Firmware) stability after firmware update process
      • fixed (Audio) problem with surround detection in Upmix
      • fixed (Audio) problem with failover feeding the Upmix
      • fixed (Web UI) minor glitches when minimizing On Air windows
      • fixed (System) gateway setting is no longer reset on restore factory defaults if IP reset is deselected

      Changes: 5.0.2:

      • fixed (Web UI) problem when switching between Spectral Signature tab and other browser tabs

      Changes 5.0.1:

      • new feature (Audio) FM Conditioner with four independent stereo programs is now available for D*AP8 (JDSPA-Coprocessor hardware option board and license required)
      • new feature (Watermarking) GfK Watermarking encoder is now available (JDSPA-Coprocessor hardware option board and license required)
      • new feature (Audio) Level Magic is now equipped with a response boost function that temporarily increases its reaction to incoming high level signals - please refer to the manual for details
      • new feature (Audio) Level Magics initial response to already normalized audio material was significantly improved
      • new feature (Audio) Level Magic is now equipped with an automatic Clear Processing History function that resets the system on long periods of disrupted audio. Please note, Below Threshold Mode needs to be set to Release
      • new feature (Mobile UI) configurable button matrix (please see Mobile UI side menu)
      • new feature (System) the real time clock can now be synchronized to NTP time servers

      • improved (Web UI) added comment to latency compensation setup
      • fixed (System) occasionally empty system log
      • fixed (Measurement) peak hold problem in aux and monitor meter
      • fixed (Web UI) changed routing matrix naming from Sub to LFE
      • fixed (Web UI) minor handling issues in remote hotkey list
      • fixed (Web UI) display issue in bypass events in case of short program names
      • fixed (Web UI) text in quotation marks are no longer deleted at Trigger Equations page
      • fixed (Backend) unnecessary device reboot in rare cases when loading web UI in several browsers at the same time

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