Appendix
Glossary
CVBS (Composite Video Baseband Signal)
A technology for transmitting video signals via a cable. Mixes luminance (brightness) and the chrominance (colour) signals together.
DiSEqC (Digital Satellite Equipment Control)
A DiSEqC compatible receiver relies on a switching box which detects the 22kHz tone pulsing rapidly on
Dolby Digital
An encoding system that digitally compresses up to 5.1 discrete channels of audio (left front, centre, SJHIUGSPOUMFGUTVSSPVOESJHIUTVSSPVOE JOUPBTJOHMF#JUTUSFBN"MPXGSFRVFODZFòFDU -'& DIBOOFMJT included providing the sound needed for special effects.
DVB (Digital Video Broadcasting)
Set of standards that define digital broadcasts using satellite, cable or terrestrial systems.
EPG (Electronic Programme Guide)
An electronic equivalent to a printed television listings magazine; it is an application used with digital set- top boxes and digital television sets to list current and scheduled programs that are or will be available on each channel, including a short summary or commentary for each program. The information supplied in the EPG is sent and updated by the channel broadcaster.
FEC (Forward Error Correction)
A technique for error control of data transmission.
Frequency
The property of a signal measured in cycles per second (=Hz).
FTA (Free-
An unscrambled broadcaster allowing customers to view channels or services without paying any subscription.
HDD (Hard Disk Drive)
The primary computer storage medium, which is made of one or more aluminum or glass platters, coated with a ferromagnetic material.
HDMI
An
Hi-Fi (High Fidelity)
The characteristics of audio devices that can play back all the audio frequencies a person can detect, XIJDIJTUIFSBOHFPG)[,)[4PNFUJNFTJUJTVTFEUPJOEJDBUFHPPERVBMJUZPGBVEJPEFWJDFTTVDIBT stereo tape recorders.
LNB (Low Noise Block)
NVOD (Near Video On Demand)
A technology that allows customers to view the start of popular programmes or films within a short period from the time they make their selection. This is possible as the broadcaster sends multiple copies with staggered start times.
OSD (On Screen Display)
OSD displays the basic information necessary for the users to configure monitor or TV settings. OSD information may include brightness, contrast, tuning, RGB adjustment, and screen size and position.
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