SHORT TECHNICAL GLOSSARY
Eb/No ratio
The Eb/No ratio is a measure of the signal to noise ratio of a digital signal. The value is not identical to the C/N value familiar from analogue reception technology. At Eb/No values below 5 dB no reception is normally possible.
EUTELSAT
European Satellite operator, based in Paris. Many orbit positions and European customers. Transponders in the frequency range
FEC
FEC is the abbreviation for “Forward Error Correction”. A technique for reducing the error rate of data transmission. Additional bits are inserted into the data stream, so that
HD – Ready
This is a label created by the EICTA (European Information, Communications and Consumer Electronics Industry Technology Association) for equipment that is capable of reproducing HDTV.
HDCP – High-bandwidth Digital Content Protection
Scrambling system which protects the HDMI and DVI interfaces for secure transmission of video and audio data. HDCP should be used in Europe for HDTV standard transmissions.
HDMI – High Definition Multimedia Interface
Digital interface for digital video and audio data transmission (preferred for HDTV).
HDTV – High Definition Television
High resolution television with a resolution 6 times higher or finer than PAL or NTSC. However, there is no compatibility, as the transmission process
The principal features of HDTV are the larger picture format (16:9), twice the number of scan lines (currently 625, increased to 1,250) and digital sound quality.
High band
Satellite frequency range between 11.7 GHz and 12.75 GHz.
H.264
Another designation for
LNB - Low Noise Block Converter
Converts the satellite downlink frequencies to 1st Sat IF.
Low Band
Satellite frequency range between 10.7 GHz and 11.7 GHz.
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-4
A further development of
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