|
| |
Satellite TV
Glossary
See also
TV Glossary VCR
Glossary Video Glossary
Buying a new satellite TV system can be a new and confusing experience.
We put together this glossary to hopefully reduce the confusion of buying a satelite tv
system. Even making it more confusing is all the misspellings for satellite TV such as
satelite TV, satellite TV, satellitte TV, satelitte TV, and many more.
A
B
C
Clarke Belt - Named after its founder Arthur C. Clarke, the
Clarke Belt is an orbit used by satellites at a height of 22,250 miles, in which
satellites make an orbit in 24 hours, yet remain in a fixed position relative to the
Earth’s surface.
D
Digital Audio Broadcasting - Standard which describes the method
of transmitting digital audio.
DSS Specific reference to the DBS system offered by DIRECTV/USSB
DTH Broadcast Satellite Direct-to-Home Broadcast Satellite.
DirecTV and USSB's satellites are manufactured by Hughes. Echostars' satellite are
manufactured by Lockheed Martin. These satellites are in a geostationary orbit about
22,800 miles above the earth in various orbital slots within the Clarke Belt.
E
F
H
- HTDV - High Definition Television is a digital television format, which combines
high-resolution video and theater like sound to create a movie theater quality TV viewing
experience.
I
IRD (Integrated Receiver Decoder) - A satellite receiver with a
built-in decoder for unscrambling subscription channels.
Infrared Universal Remote Control Line-of-sight remote which will
control the satellite receiver and two to four other infrared units such as TVs, VCRs,
DVDs or stereo amplifiers.
K
L
- LNBF The Low Noise Blockdown Feedhorn amplifies the signal collected on the
parabolic antenna(dish). It works on 13V of power which is supplied by the satellite
receiver. A single LNBF will feed one receiver, and a dual LNBF will feed two or more
receivers.
- LNB The Low Noise Blockdown amplifier performs the same functions as the LNBF.
M
MPEG-1/-2 Compression - Method to compress digital signals. This
way, the volume of information that has to be sent decreases. MPEG is not a broadcast
standard, but a compression method, which is also used for CD-I and Multi Media CD. Thanks
to this compression, it is possible to combine several programs into one satellite
transponder.
- MPEG-1 Specific data transmission protocol (format) developed by the Moving
Pictures Experts Group (MPEG). MPEG-1 protocol is not as advanced as MPEG-2 protocol.
MPEG-2
Latest specific data transmission protocol (format) developed by the Moving Pictures
Experts Group (MPEG). It is a more advanced protocol than MPEG-1 due primarily its
all-digital transmission of data at between 4 and 9 megabits/second (Mbit/sec). Several
other enhancements over MPEG-1 are also realized. MPEG formating is the specific formating
in which data is transmitted to satellites, transmitted back to earth, and interpreted by
set-top units.
N
O
Offset - Type of dish antenna with the focus and feedhorn below
the center of the dish antenna.
On-screen Program Guide This interactive feature allows the user
to access and scroll through complete program listings right on his/her television screen,
in most cases up to a week in advance.
P
Positioner - Unit which either accompanies a multi-satellite
receiver or is built-in and controls the movement of motorized dish antennas.
Program Browsing Allows user to scroll through program guide
while still watching current channel.
- Parental Lockout Control Allows user to set a password to control access to
programming based on channel, rating or content.
R
Receiver - Unit which takes signals from a satellite dish antenna
and converts them so they can appear on TV.
RF/UHF Universal Remote Control Controls satellite receiver from
distances up to 100 feet, through walls and other obstructions. Also offers infrared
control of other A/V components.
S
T
U
V
| |
|
