Fraunhofer Gesellschaft R4 Users Manual

2015-02-09

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Fraunhofer
DRM ContentServerTM R4

04 / 2009

Fraunhofer DRM ContentServerTM R4

The Fraunhofer DRM ContentServerTM R4
is a highly reliable professional broadcast system for Digital Radio Mondiale
(“DRM“, see www.drm.org). It provides
all options DRM offers and all interfaces
for a smooth integration into the
broadcast chain.
The Fraunhofer DRM ContentServerTM R4
provides triple functionality:
– 	 DRM AudioServer with multistream real-time audio encoding
–	 DRM Multimedia DataServer
	 supporting all standarized as well as
broadcaster specific data
services, covering import, processing, encoding and broadcast

Fraunhofer DRM AudioServer
This system component provides realtime encoding of up to four audio
streams in parallel:
–	 Live analog, digital, Livewire or
MP3 playlist input
–	 AAC (mono/stereo/parametric stereo),
HVXC and CELP encoding with SBR
–	 All possible bitrates including UEP
(unequal error protection)
–	 All available sampling rates
(8 / 12 / 16 / 24/ 48 kHz)
–	 MPEG Surround option

Versatile data import interfaces and
automation features allow for a smooth
integration into production environments:
–	 RSS import (automatically scheduled 	
or manually triggered)
–	 Ftp, ftp-mirroring and http-mirroring
–	 Web-interface for quick data editing 	
using a standard web browser
–	 UECP, Funkhaustelegramm,
Leitungsprotokoll and
ZENON studio interfaces
–	 Socket interface for real-time data 	
insertion
–	 Protected connections for secure
and reliable data import restricted
	 to the predefined data sources:
	 ftps, ftps-mirroring, https-mirroring

Fraunhofer Multimedia DataServer
–	 DRM Multiplex Generator
	 managing the extensive DRM signalling capabilities, generating the full
digital DRM Multiplex and providing
standard MDI/DCP output streams

This component supports the import /
collecting, merging, checking, conversion and encoding of data for all stand­
ardized DRM / DAB as well as individual
data applications.
   

DRM / DAB data applications:

Fraunhofer DRM Multiplex Generator

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All DRM signalling features are supported
according to ETSI ES 201 980 (v.3.1.1)
including the DRM dynamic reconfiguration feature.

   

The One-box
DRM Broadcast Solution
The system is typically located in the studio, at a playout center or at the transmitter site – with full remote control for
administration and data provision.
The remote web interface featuring
Fraunhofer´s in-place-editing techno­
logy for quick and convenient system
configuration can be accessed through
any modern web browser.
The output signal of the Fraunhofer
DRM ContentServerTM R4 carries the
complete DRM Multiplex (FAC, SDC,
MSC) in MDI/DCP format according to
ETSI TS 102 820 (Multiplex Distribution
Interface) and ETSI TS 102 821 (Distribution and Communications Protocol).
This DRM Multiplex can be fed simultaneously to any number of DRM Modulators (optional SFN operation) and
monitoring stations.

The protocol standard MOT 2.1.1 (Multimedia Object Transfer) for enhanced
file and directory structure transmissions
is supported.

DRM TextMessages
Journaline®
MOT Slideshow
MOT Broadcast Website
TPEG Traffic Information
PRBS – internally generated synchronous or asynchronous test patterns
–	 EPG – Electronic Programme Guide
–	 TMC – Traffic Message Channel
Open interfaces allow the transmission
of any custom-tailored individual
application at various protocol levels:
– Transparent File Transmission via MOT
– IP Insertion –
(Internet Protocol tunneling)
– TDC – Transparent Data Channel
– DRM Data Units
– MSC Data Groups
–	 Synchronous / asynchronous
data streams

Transmission channel options:
–	 Robustness modes A, B, C, D
–	 Spectrum occupancy
4.5, 5, 9, 10, 18, 20 kHz
–	 MSC modes 16 QAM, 64 QAM
and hierarchical (HMmix, HMsym)
–	 SDC modes 4 QAM and 16 QAM
–	 Interleaver length 0.4s and 2s
–	 EEP (equal error protection) and
UEP (unequal error protection)
with all possible combinations of
protection ratios / code rates
–	 DRM+ option: robustness mode E,
100 kHz, MSC modes 4/16 QAM,
SDC modes 4 QAM code rate
0.5/0.25, interleaver length 0.6s

DRM signalling options:
–	 Service ID
–	 Service language (short list for scanning and detailed list covering all
worldwide languages)
–	 Service programme type
–	 Country of origin
–	 Current time and date,
including local time offset
–	 Alternative frequencies for the
whole DRM Multiplex and individual
DRM services
–	 Announcements (traffic, news,
weather, alarm, etc.)
Full Unicode / UTF-8 support (all international characters, ISO 10646) for DRM
TextMessages and DRM service labels.

– Detailed system status information 	
via HTML
– HTML access to detailed log files for 	
inspection and download
– System configuration backup and 	
restore mechanism (remote and local)

Administration and data provision are
based on Ethernet network or modem
dial-in connections featuring a detailed
user management. The strong firewall
functionality guards the access to the
system.

Hardware

The audio A / D conversion and system
synchronization rely on a GPS clock
source. Alternatively the system synchronization can be done via network
timing protocol (NTP).

The Fraunhofer DRM ContentServerTM R4
is based on robust and redundant
19" server hardware for reliable
24 / 7 operation.
A console display is supported to locally
activate configurations, to monitor the
system status and to setup the basic
hardware parameters.

The system as a complete package
including hardware and specific customers support services is available
from our OEM Partners.

Advanced System Features
Automatic broadcast scheduling:
– Global broadcast calendar
– Unlimited weekly calendars
– Manual, SNMP triggered, or
scheduled broadcast
activation / reconfiguration
Sound system configuration:
– Live audio level monitoring
via web browser
– Audio amplification setup
– Audio clipping and silence detection
– Optional MP3 normalization on import
Powerful security features:
– Professional firewall
– Secured connections for
administration and data upload
– Continuous system self-monitoring
– Monitoring of attached
uninterruptible power supplies (UPS)
– System status signalling via
e-mail report system, console,
relay card and SNMP

*feature is under development

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DRM Multiplex Generator

Fraunhofer Institute for
Integrated Circuits IIS
Executive Director
Prof. Dr.-Ing. Heinz Gerhäuser
Director
Prof. Dr.-Ing. Günter Elst
Am Wolfsmantel 33
91 058 Erlangen, Germany
Phone +49 9131 776-0
Fax +49 9131 776-999
Contact
Alexander Zink
Phone +49 9131 776 - 0
Fax +49 9131 776 - 6099
cs-support@iis.fraunhofer.de
www.iis.fraunhofer.de /broadcast
04 / 2009 dem

Unlimited DRM Multiplex defs.
AFS – Alternative Frequency Editor
Broadcast Scheduler
(weekly/calendar)
Announcement support via
UECP, Funkhaustelegramm,
Leitungsprotokoll
Extended broadcast info
(SDC layout)
Support for external audio encoders
Upload of AFS information
from external sources
DRM+ (Robustness Mode E) opt.

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DRM AudioServer
Audio input live
analog/digital/Livewire
Audio input as mp3/wav, playlist
Silence/clipping
detection and configuration
Audio input signal amplification /
mp3 normalization
AAC encoders
[max. 4]
HVXC encoders
[max. 4]
CELP encoders
[max. 4]
MPEG Surround opt. incl. SX Pro*

Edition
Available options

Standard
Professional
Developer

In combination with the Fraunhofer
DRM Test Equipment DT 230 and its
modulator option a full broadcast chain
with RF output can easily be set up. The
chain may well include features of the
channel simulation option.
This edition is restricted to laboratory
use by license. It cannot be used for
public or commercial broadcast.

DRM Multimedia DataServer
Data Application Types

General System Features
Firewall Basic
Firewall Professional
Support for serial devices
E-mail reports
System checks
System backup (at console)
SNMP interface
System configuration
remote up-/download
Security Summary

The Developer Edition is designed to
support the efficient development and
testing of DRM receivers. It provides the
full functionality of the DRM system with
regard to signalling and transmittable
content (incl. dynamic reconfigurations). 	

Basic

Standard
Professional
Developer

Basic

Edition
Available options

Compact

The Fraunhofer DRM ContentServerTM R4
is available in three Editions (option
packages). All Editions share all the basic DRM functionality, but each Edition
provides a different level of system
functionality by default.
All Editions can easily be extended by
additional features at all times.
–	 Basic Edition
The perfect starter kit for smaller
broadcasters or for use at the transmitter site (accompanying a DRM
Modulator) with the option of future extension to the customer´s
growing requirements
–	 Standard Edition
	 Combines the most important DRM
features (like AFS) and functionality
(like Broadcast Scheduling) for easy
integration into a studio or playout
center environment

–	 Professional Edition
	 Extends the Standard Edition by professional automation features and
provides the full range of individual
data transmissions as well as standardized multimedia applications
like DRM-EPG

Compact

Editions

DRM TextMessages
Journaline®
EPG – Electronic Programme Guide
MOT Slideshow
MOT Broadcast Website/
Transparent File Transmission
TPEG traffic information
TMC – Traffic Message Channel
PRBS Generator (sync/async)
IP Insertion
TDC – raw data (any individual
data on any protocol level)
Support for multiple
MOT priority classes

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Data import methods
Import via HTML interface
Import via file FTP upload
Import via HTTP/FTP mirroring
Import via live socket connection
Import from existing RSS sources
(TextMessages + Journaline®)
Import from Funkhaustelegramm,
UECP, Zenon, Leitungsprotokoll
(TextMessages + Journaline®)
Import via
automatic scheduled mirroring
Secure data import connections

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Symbols:

Option is included in the package
– Option is not included but can be added to the package
Option can not be combined with the package

Note: This list is informative only. A binding list of
options per Edition is contained in the current price list



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