junger d07 Manual
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junger d07 Manual

Digital transmission processor
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Summary of Contents for junger d07

  • Page 1 www. jungeraudio .com...
  • Page 3 FOREWORD Thank you for buying and using the transmission processor d07. You have not only acquired the latest generation of digital dynamic range processing, but also a piece of equipment which is unique in its design and specification. Please read this manual carefully to ensure you have all the information you need to use the d07.

  • Page 4: Table Of Contents

    LAN interface (optional) Location of parts and controls 3.1. Front panel 3.2. Rear panel 3.3. Switches and jumpers for configuration Operation 4.1. Front panel operation / d07 keys 4.1.1. Navigation 4.1.2. Main Display 4.1.3. Menu Preset / Setup 4.1.4. Factory presets 4.1.5.
  • Page 5 B – APPLICATION NOTES The Junger Audio Dynamics Processor Principle The Junger Audio Compressor & Expander Principle The Junger Audio Processing Presets LEVEL MAGIC N.A. Network Integration for TCP/IP Operation FM-Processing d07 7.1. General 7.2. MPX-Limiting 7.3. Pre-emphasis 7.4. Terms and definitions...

  • Page 7: Functional Description

    FUNCTIONAL DESCRIPTION The mature technology of the digital transmission processor d07 has now been supplemented by the Level Magic™. The d07 is BASIC originally designed for optimised levelling of program signals for DESCRIPTION FM broadcast and TV transmission and reliable protection of transmission paths against overload at the output of studios, OB vans as well as satellite up-links.

  • Page 8: Block Diagram

    features 2-channel digital audio amplifier and limiter for broadcast transmission signals new Level Magic™ technology audio signal processing also in consideration of pre-emphasis and MPX-Power Digital I/Os, AES/EBU format 24bit ADV and DAC Stereo and dual channel mode Parallel and serial remote control Equal functionalitiy to the processor C8007 of the C8000 modular system BLOCK...

  • Page 9: Installation

    INSTALLATION The digital audio level processor d07 was carefully packed in the factory and the packaging was designed to protect the equipment from rough handling. UNPACK THE UNIT Please examine carefully the packaging and its contents for any signs of physical damage, which may have occurred in transit.

  • Page 10: Synchronization Of Digital Output

    Pin 1 of the XLR is shorted to Pin 3. If the equipment being connected to the d07 have only unbalanced inputs, then we recommend still to use a balanced (i.e. 2 core shielded cable) cable where Pin 1 and Pin 3 are connected in the cable ends away from the digital audio level processor d07.

  • Page 11: Remote Control

    CONTROL Pin assignment of the connector : 2.8.1 GPI REMOTE Signal name Functions CONTROL GPI1 in Defined by d07 config (PARALLEL GPI2 in Defined by d07 config GPI3 in Defined by d07 config REMOTE) GPI4 in Defined by d07 config...

  • Page 12: Tally Out

    2.8.2 The digital audio level processor d07 can transmit specific device statuses via TALLY OUT parallel Tally lines. use: monitoring of the d07 status Connector : D-SUB 25pin, female Pin assignment of the connector : Signal name Functions Tally 1 normally closed...

  • Page 13: Serial Remote Control

    The d07 can be remote-controlled by means of serial remote RS-232/422 or via the CAN-bus. 2.8.3 use : remote-controlled changeover of presets SERIAL REMOTE CONTROL protocol: available on request (RS-422) Connector : D-SUB 9pin, female Pin assignment of the connector in serial interface mode :...

  • Page 14: Lan Interface (Optional)

    This port allows the remote control of the d07 by TCP/IP over Ethernet. Setting up the network configuration is described in B 6. The LAN Controller of the d07 has a web server which offers a graphical user interface (GUI). For proper operation you need IE7 or FireFox 2.0. There you input the IP address of the d07 as an URL.

  • Page 15: Location Of Parts And Controls

    LOCATION OF PARTS AND CONTROLS 3.1. PRESET switch : FRONT Load / save / edit presets SETUP switch : PANNEL Configuration / parameter editing Status display : AGC (gain change of Leveller: CURSOR UP AGC+transient processor) CURSOR DOWN Compressor (without Level Magic) ENTER Peak-Lim MPX-Lim...

  • Page 16: Switches And Jumpers For Configuration

    (AES 3 format, 75 Ohm, unbal) or video sync signal (blackburst, 75 Ohm, unbal) or wordclock sync signal, TTL level, unbal connector: BNC socket WCLK OUT output for word clock (system clock of d07) connector: BNC socket DIGITAL IN input for AES/EBU standard format connector:...
  • Page 17 Selection of the serial remote interface 232/422 D06/07 DSP card Main board J2 – RS-232 / RS-422: Selection of the serial remote interface (see 3.8.3) J3 – A / B: for factory use only, set to A calibration of the analog in-and outputs At our factory the d06 is calibrated German broadcast standard +15dBu = 0dBFS.
  • Page 18 To set the reference level manually, follow these steps: 1. Set all dip switches to “OFF” except #6, ADJ. –set it to ON 2. Adjust the potentiometers to the desried CUSTOM reference (setting). For this you need to feed the analog input with a known refernce level and measure the digital output. Make sure that the DSP processing is bypassed, otherwise there could be DSP gain active! 3.

  • Page 19: Operation

    You can do all settings with the keys on the front of the device, via remote or software. FRONT PANEL The d07 uses two groups of data, in the CONFIG area to set up OPERATION device functions (selection of an input, synchronization or input of a...

  • Page 20: Main Display

    * When you switch on your d07 or initialize it, the “initialize” preset is loaded. Before you start checking the parameters of the d07 you should load one of the factory presets. Choose the one most fitting to the genre of your program (see list below).
  • Page 21 GPI input are carried out as opto coupler off, preset 1-4, stereo, Input2, driven by a current source. One of seven GPI 1-8 Bypass predefined states of the d07 can be remote controlled by them Video, Wclk,Ext AES, Input SYNC Selection of the SYNC source AES, INT 44.1, INT 48...
  • Page 22 LEVEL MAGIC ON Desired target level for the levelling process. OPERATING LEVELLER -40…0dBFS Reference Level for the Transient Processor LEVEL and Leveller Determines the maximum gain change applied TR P RANGE 0…15dB by the Transient Processor when there are fast input level changes. Large range values are reducing the dynamic range, especially in combination with the transient program “hard”...

  • Page 23: Factory Presets

    4.1.4. FACTORY PRESETS Initiali TV uni radio Radio Radio preset speec live Movie classic SETUP CONFIG analo INPUT LEVEL MAGIC PASSWORD 1234 LOCK OUT METER dBFS device DEVICE NAME Grey marked parameters are not saved in the preset!!! CAN ID TALLY 1-8 GPI 1-8 SYNC...

  • Page 24: User Presets

    4.1.5. User PRESETS Initializ preset SETUP CONFIG INPUT analog LEVEL MAGIC PASSWORD 1234 LOCK OUT METER dBFS Device grey marked parameters are DEVICE NAME not saved in the preset!!! CAN ID TALLY 1-8 GPI 1-8 SYNC INT 48 PARAMETER GAIN STEREO 30Hz FILTER...
  • Page 25 After setting the IP address of the d07 (See chapter B6 Network integration) you can control the d07 via web browser besides front panel control. Just type the IP address of your d07 as an URL into the web browsers: "http:// IP-address" and press<Enter>, you will get the following page: The d07 has two different controllers on board.
  • Page 26 4.2.2 SETTING > PRESETS The d07 has 4 Presets. These Presets are named PR 1 to PR 4 by default. The status window at the left hand side shows the name of the active preset. The phrase “modified:” will appear in line with the Preset name, if a preset parameter was changed by the operator.
  • Page 27 4.2.3 SETTING > DEVICE On the DEVICE tab you can assign a 16 digit name to the module, perform a warm start by pressing <RESTART> or initialize the module to factory default settings by pressing <INITIALIZE>. You can BACKUP / RESTORE all module settings and parameters including presets as well as the actual set of parameters used by the module controller.
  • Page 28 Input defines whether the IN1 analog input or the IN2 digital input is selected Sync defines the source for synchronizing the d07 if it works in the digital domain Relay Bypass The audio inputs and outputs have relay bypass function which will be engaged if power fails.
  • Page 29 GPIs are useful if you want to recall settings remotely e.g. by presets. The d07 has 8 physical GPIs (opto coupler) which can be assigned functions of the d07. GPOs (Tallies) are useful if you want to monitor status information of the d07.
  • Page 30 4.2.6 CONTROLLER > SYSTEM CONFIG DEVICE you can assign the d07 a unique Device Name as well as a Device Location and a System Contact e-mail address for future applications PASSWORDS if Password checking is set to enable a password for the...
  • Page 31 XML file for download to your local PC. If you want to restore your d07 from a previous backup, select the file from your PC and press <RESTORE>. If you take the backup from a different d07 you must check: "Don't Restore Frame Controller IP Configuration"...
  • Page 32 4.2.8 CONTROLLER > SOFTWARE UPDATE In the top part of the above window you can update the firmware of the network controller. You must "Pick the firmware file" from your PC and press <START UPDATE NOW". The image file of the firmware will be moved to the network controller and will be burned into the program Flash memory afterwards.
  • Page 33 You must select either Controller (*.bin) or DSP (*.can) and select the respective file from your PC. When done press <START UPDATE OF SELCTED MODULE NOW> And the firmware will be installed to your d07. A 4.2. – operation via web browser...
  • Page 34 4.2.9 CONTROLLER > REBOOT CONTROLLER Network controller can be rebooted. A 4.2 – operation via web browser...

  • Page 35: Boot Display And Trouble Shooting

    BOOT DISPLAY AND TROUBLE SHOOTING display meaning / explanation BOOT DISPLAY JUENGER display of model AUDIO D07 C: x.x display of loaded controller software version D: x.x display of loaded dsp software version display error / message remedies ERROR MESSAGES AND...

  • Page 36: Initialization Of The Unit

    Should have remained the device no more operable and/or in the program execution stand, recommends itself an initialization the device. INITIALIZATION During initialization, all storage areas and registers important for the program THE UNIT are loaded with the factory setup and the program is restarted. Any button (exceptional >>MENU, Peak up>>) is to be held pressed in order to initialize the device during power-on of the device until the program has started.

  • Page 37: Technical Specifications

    TECHNICAL SPECIFICATIONS digital signal sample rate 44.1/48 kHz processing audio data format 24 bit digital DIGITAL IN/OUT in- / outputs AES/EBU connector XLR, 110 balanced input format AES professional, AES consumer output format same as input format channel status bits: digital input ->...
  • Page 38 sync SYNC IN in- / outputs WCLK connector BNC, 75Ohm, coaxial level TTL-level input format Wordclock AES/EBU connector BNC, 75 Ohm, coaxial level 0,5 ... 5 Vpp input format AES professional, AES consumer VIDEO connector BNC, 75 Ohm, coaxial level 0...1 Vpp input format Blackburst or PAL/NTSC composite video...

  • Page 39: B - Application Notes

    B – APPLICATION NOTES 1. The Junger Audio Dynamics Processor Principle 2. The Junger Audio Compressor & Expander Principle 3. The Junger Audio Processing Presets 4. LEVEL MAGIC 5. GUI 6. Network Configuration for TCP/IP Operation 7. FM-Transmission (d07) 7.1. General 7.2.
  • Page 41 Multi-Loop designs The Junger Audio Dynamics Processors work according to a Multi-loop principle. The various loops each work over the entire frequency spectrum. They work in parallel, each with a different set of attack and release parameters.
  • Page 42 Adaptive Dynamic Range Control The proprietary algorithms in the Junger System also allow the automatic adjustment of the attack and release times according to the evolution of the input signal over time.

  • Page 43: The Junger Audio Compressor & Expander Principle

    THE JÜNGER AUDIO COMPRESSOR & EXPANDER PRINCIPLE Compression is defined as the reduction of the dynamic range of the input signal to match the dynamic range of the storage system, transmission system, and/or the listening environment. Typical approaches to this task often result in audible artifacts and lack luster performance.

  • Page 45: The Junger Audio Processing Presets

    30 ms to 2.5 sec 50 ms to 3.5 sec 70 ms to 5.0 sec UNIVERSAL 100 ms to 6.0 sec 150 ms to 8.0 sec CLASSIC 250 ms to 10.0 sec B 3 – The Junger Audio Dynamics Pocessing Presets...

  • Page 47: Level Magic

    LEVEL MAGIC Introduction & Reference guide 1. Release 2005 Junger Audio Berlin...
  • Page 48 Level Magic™ from Junger Audio relies on a sophisticated new adaptive level control algorithm capable of adjusting the right audio level from any source at any time.
  • Page 49 LEVEL MAGIC d06 d07 b46 C8007 C8046 Introduction & Reference guide To understand the principle of the new algorithm and the adjustment of LEVEL MAGIC it is necessary to keep some psychoacoustic aspects in mind 1. We do not perceive level changes if they happen in a certain period of time dependent on the absolute value of the level change.
  • Page 50 Level Magic different from previous dynamics processors? A compressor/limiter combination of a known dynamics processor by Junger Audio is always controlling the audio level in relation to the limiter threshold. In result no headroom is more existing and the signal is developed to reach a 100% output level.
  • Page 51 Independent on the leveller circuits the brickwall limiter is taking care on the peak level. For the leveller (AGC + Transient Processor) Junger Audio is using a unique combination of QP and RMS level detectors to analyze the incoming audio signal. In comparing QP and RMS measurement results we can find out how much transients are coming in.
  • Page 52 LEVEL MAGIC d06 d07 b46 C8007 C8046 Introduction & Reference guide Parameters of Transient processor Limiter & brief description Parameter Range Description LEVELLER Operating Level -40…0dBFS Desired target level for the levelling process. Reference Level for the Transient Processor and the AGC range 0…40dB...
  • Page 53 LEVEL MAGIC d06 d07 b46 C8007 C8046 Introduction & Reference guide Quick Start with Level Magic For the first use of the Level Magic™ unit it’s advisable to start with one of the factory presets (6 available). Some individually needed changes in the settings can be saved later in one of the 4 user presets.
  • Page 54 LEVEL MAGIC d06 d07 b46 C8007 C8046 Introduction & Reference guide Overview on the Factory Presets Factory presets Radio Radio Radio uni- Classical Movie Live Speech versal universal Parameter LEVELLER -9dBFS -18dBFS -18dBFS -9dBFS -9dBFS -18dBFS OP-level Range 10dB 15dB...

  • Page 55: Network Integration

    Level Magic LT C8000-modules via C8702 LAN Controller To operate the Junger audio devices via web browser you have get an Ethernet connection between the DEVICE and the PC. If you are not familiar with the network setup, please consult an administrative person for assistance and read this chapter...
  • Page 56 A) Connect the device over a 9 pin serial cable (connected 1 to 1) to your PC. Start your terminal program (e.g. Start -> Programs -> Accessories -> Communications -> HyperTerminal). Enter a name of your choice and press OK Choose the connection port you are working with and press OK Set the COM settings as they are shown in the window above and press OK.
  • Page 57 You will get to the Hyper terminal window: Press <ENTER> and you will get the following information of the device: Now you can change the network configuration so that it fits into your LAN. You might have changed the IP-address of the device, so please renew the label at the rear of the device, otherwise it will cause confusion.
  • Page 58 Scroll in the list and choose Internet Protocol (TCP/IP). Make sure that the ‘check box’ for this item is checked, and then click on PROPERTIES. In this example, the Ethernet TCP/IP is set to ‘Obtain an IP address automatically.’ If, in your case, it is set to ‘Use the following IP address,’...
  • Page 59 Then change the settings in order to be able to communicate with the device. You must choose an IP-address different from that of the device. Example: E.g. if the default address of the device is : IP Adress: 10.110.123.114 Netmask: 255.255.0.0.
  • Page 60 By clicking on CONTROLLER > SYSTEM CONFIGURATION you will be able to change the device’s network configuration according to the settings of the LAN you want to use. After having changed the settings click CHANGE NETWORK CONFIGURATION and after that reboot the controller (CONTROLLER > REBOOT CONTROLLER). Important note! Rebooting the device activates the changes you have made to the network configuration.

  • Page 61: General

    Frequency deviation +75kHz MPX-Power 0 dBr The job of the d07 processor is standard compliance controlling of FM signal energy within permissible peak deviation. The compression of the program signal causes an increase of the signal energy 7.2. and, therefore, more loudness, but also more modulation power (MPX power). Too...
  • Page 62 MPX limiter and the adaptive pre-emphasis. An MPX level of 0dBr lies 10.9 dB below the ceiling level of the d07 and is fixed to it. This value is given by the relation of multiplex power level of 0dBr (19kHz frequency deviation) to peak level (75kHz frequency deviation).

  • Page 63: Pre-Emphasis

    This level pull up must be considered for the limitation of peak levels. In the d07 the signal reaches a dynamic filter after a broad band limiter. The cut-off frequency of this filter is controlled adaptive and time depending. The attenuation of the filter for high signal components is controlled in a way that it compensates exactly the increase of high frequencies by Pre-emphasis on the transmitting end.

  • Page 64: Terms And Definitions

    7.4. Frequency modulation Terms and The sketch below shows the principal influence of the modulation index m= ∆fc / fm to the spectrum of an FM signal. On the left side the frequency deviation ∆fc (amplitude definitions of the modulating signal) is constant but the modulating frequency fm changes. On the right hand the modulating frequency fm is constant but the frequency deviation ∆fc is changing : m = 0,5...
  • Page 65 FM transmitter, causing nasty interferences. Adaptive Pre-Emphasis Function of the d07 that makes it possible to dynamically accommodate the level of an audio signal to the high frequency boost of an FM transmitter. The effect is that over driving by high frequency signal components in critical programs will be avoided (s.a.
  • Page 68 www.jungeraudio.com...

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