148 from 176
HDMI – High Defi nition Multimedia
Interface
A digital interface for digital video and audio
data transmission between TV and receiver
(preferred for HDTV).
HDTV – High Defi nition Television
High resolution television with a resolution
up to fi ve times higher or fi ner than PAL or
NTSC.
High band
Satellite frequency range between 11.7 GHz
and 12.75 GHz.
H.264
Another name for MPEG-4.
IP address
Internet Protocol address. Every unit that
can be used in a network has a dedicated
IP address so as to obtain an unambiguous
assignment (address) for e.g. the exchange
of data.
JPEG - Joint Photographic Experts
Group
Image compression technique
LAN - Local Area Network
Local network
LCN
Automatic channel list updating for new
broadcasters. Here broadcasters are
automatically added to the end of the list or
replaced by old existing channels.
Linux
Operating system
LNB - Low Noise Block Converter
Converts the satellite downlink frequencies
into the Sat IF.
Low band
Satellite frequency range between 10.7 GHz
and 11.7 GHz.
MP3
File format for compressed audio fi les.
MPEG-2
MPEG is the abbreviation for "Moving
Picture Experts Group", a working group
that formulates internationally applicable
standards for the digital compression of
video and audio. MPEG-2 has become
established as the standard for compression
of digital TV signals. MPEG-2 works up to a
data rate of 100 Mbit/s.
MPEG-4
A further development of MPEG-2 with
even higher data compression, intended for
HDTV transmissions.
NAS
Network Attached Storage. A form of storage
integrated into a network.
Network
Connection of several PCs that as a result
can communicate and exchange data.
NIT
The channel identifi cation number is also
referred to as the Network ID or NIT.
NTFS
File system for storage media
Open Source
This is software for which the licensing
stipulations state that the source text is
publicly accessible.
OSD - On Screen Display
Displays by the receiver on the TV screen
(e.g. main menu)
23
Brief technical glossary