junger d07 User manual
digital transmission processor
d07
release 4.1
FOREWORD
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.
The unit was manufactured to the highest industrial standards and went through
extensive quality control checks before it was supplied.
If you have any comments or questions about installing, setting-up or using the,
please do not hesitate to contact us.
d07
CONTENTS
CONTENTS
A – OPERATION MANUAL
1. Function description
1.1. Basic description
1.2. Block diagram
2. Installation
2.1. Unpack the unit
2.2. Power supply
2.3. Connections
2.4. Rack mounting
2.5. Operation safety
2.6. Synchronization of digital output
2.7. Audio connections
2.8. Remote Control
2.8.1. GPI Remote Control
2.8.2. Tally Out
2.8.3. Serial Remote Control
2.9. LAN interface (optional)
3. Location of parts and controls
3.1. Front panel
3.2. Rear panel
3.3. Switches and jumpers for configuration
4. 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. User presets
4.2. Operation via web interface
4.2.1. web interface of the d07
4.2.2. Maintenance
4.2.3. DATA transfer
5. Boot display and trouble shooting
5.1. Boot display
5.2. Error messages and trouble shooting
5.3. Initialization of the unit
6. Technical specifications
d07
CONTENTS
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 Integration for TCP/IP Operation
7. FM-Processing d07
7.1. General
7.2. MPX-Limiting
7.3. Pre-emphasis
7.4. Terms and definitions
A 1 –Function description
FUNCTIONAL DESCRIPTION
The mature technology of the digital transmission processor d07
has now been supplemented by the Level Magic™. The d07 is
originally designed for optimised levelling of program signals for
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. The device operates fully
digitally and, beside AES/EBU interface, it makes use of high end
24bit A/D converters so that digital dynamic processing is
possible for analog as well as digital signals.
Besides the previous levelling by means of an AGC, Compressor
and Peak-Limiter referring to the peak- level for achieving the
maximum loudness and energy of the signal, it’s now possible to
use the more signal wave adaptive new technology of the Level
Magic™ with two reference levels: An Operating-Level for signal
processing by the AGC and the Transient processor and the peak-
Level for the Brickwall-Limiter.
In both operating methods you can factor the adaptive pre-
emphasis, the maximum value for the peak frequency deviation
and the MPX-Limiter into levelling of the signal (see application
notes).
The dynamic range processor principles developed by Junger
Audio enable level managing devices like compressors, AGC
and limiters to be produced with exceptionally high audio quality,
without coloration, pumping, breathing, distortion or modulation
effects sometimes associated with this type of processor.
In short, almost inaudible processing - with ease of use. The
outstanding quality of the processing is based on the Multi-Loop
dynamic range control principle in combination with adaptive
controlled processing algorithms developed by Junger Audio.
The unit is easy to operate and requires only a limited number of
settings to be made by the user to achieve optimum results. All
other parameters necessary for inaudible processing are
continuously automatically controlled in response to changes in
the programme signal.
1.1
BASIC
DESCRIPTION
A 1
A 1 – Function description
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
1.2
BLOCK
DIAGRAM
Further description of the processor principles see
Application notes B!
A 2 –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.
Please examine carefully the packaging and its contents for any signs of
physical damage, which may have occured in transit.
The digital audio level processor d07 is a device under the safety category
Schutzklasse 1 in keeping with the VDE 0804 standards and may only used
with power supply installations built according to regulations.
Check the voltage details printed at the rear panel are the same as your local
mains electricity supply.
The digital audio level processor d07 is equipped with standard connectors
(see also chapter 3).
Before connecting the digital audio level processor d07 switch the power off at
all connected units.
The digital audio level processor d07 is made as standard 19“ unit (EIA
format). It occupies 1 RU (44 mm height) space in a rack. Please allow at
least additional 3“ depth for the connectors on the rear panel.
When installing the unit in a 19“ rack the rear side of the unit needs some
support, especially for mounting in flight cases.
The digital audio level processor d07 should not be installed near units which
produce strong magnetic fields or extreme heat. Do not install the audio
processor directly above or below power amplifiers.
If, during operation, the sound is interrupted or displays no longer illuminate,
or if abnormal odor or smoke is detected immediately disconnect the power
cord plug and contact your dealer or Jünger Audio.
2.1
UNPACK THE UNIT
2.2
POWER SUPPLY
2.3
CONNECTIONS
2.4
RACK MOUNTING
2.5
OPERATION
SAFETY
A2
A 2 –Installation
The digital transmission processor d07 has a digital signal output. For the
problem-free combination of following digital devices, the digital signal
processing can be locked to an external clock reference. The selection of the
corresponding sync source is made in the SYNC MODE menu during setup. If
the chosen sync input is connected with the sync signal, this signal is used for
synchronization automatically. All sync sources can be used for locking A/D-
converters at the analogue inputs as well. The digital output signal can be
clocked with the following clock frequencies:
INTERNAL locks both the A/D-converters and the digital output with
the internal reference 44,1 or 48 kHz. Digital inputs are
connected via sample rate converter
AES INPUT locks with the clock frequency of the input signal at
digital input CH 1/2 (AES/EBU, 44,1...48 kHz)
EXT AES locks with the AES signal at the sync input
(AES, 44,1...48 kHz) Digital inputs are connected via sample
rate converter
EXT WCLK locks with the word clock signal at the sync input
(WCLK, 44,1...48 kHz) Digital inputs are connected via sample
rate converter
optional:
EXT VIDEO locks with black burst at sync input (internal 48 kHz) Digital
inputs are connected via sample rate converter
The analog audio inputs are RFI filtered and analogue outputs are balanced
and floating like transformer coupled devices. All the audio connectors are via
rear panel mounted connectors. Standard XLR connectors are used. These
are always wired to the AES standard:
pin 1 X Screen screen
pin 2 L Live audio 0°
pin 3 R Return audio 180°.
Balanced connections are preferred whenever the other equipment provides
balanced inputs/outputs. All line level connections should be wired with twin
screened cable for low noise and reliability. The screens of the cable should
be connected at one end only. Input cable screening therefore needs to be
derived from the signal source end as pin 1 is ground lifted at low frequencies
for the inputs.
If the equipment driving the digital audio level processor d07 has unbalanced
outputs then you will need to add a wire jumper such that the screen
connection of 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 (ie. 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.
2.6
SYNCHRONIZATION
OF
DIGITAL OUTPUT
2.7
AUDIO
CONNECTIONS
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