Downlink signal: The signal that is received from a satellite.
Electronic cinema (E-cinema): is used to define Aa more modest quality level of D-cinema.
E-cinema is used for pre-show advertising and other cinema applications where moderate
quality is accepted.
Edge server: A local server that retrieves content from the content management server
and serves as a central storage of content in a shop or other location where there
is a larger number of media players. Also known asOther names are site server and
or media server.
Elevation angle (of a satellite): The angle describing a satellite’sthe angular height
above the horizon of a satellite.
Encapsulation: Embedding an IP stream into a higher level distribution protocol as
the DVB transport stream protocol.
Event information (metadata): Information sent along with TV programs describing
the content. Examples may include duration of program, actors, date released. Also
upcoming content may be include.
F-connector: Standardized connector used in satellite receivers and other devices
all over the world for RF (radio frequency) input and output signals through coaxial
cables.
File interleaving: Sending several files simultaneously through a multicasting channel.
Groups of pictures (GOP): A GOP is a number (often 12) of By grouping a number of
consecutive pictures in a video signal to be compressed. After compression, only
the first picture of each GOP and the differences between the remaining pictures
are included in the compressed signal.
“Heartbeat” signalling: Signals are sent back from a media player or edge server
to the content management server to indicate that the device operates properly.
High-Bandwidth Digital Content Protection (HDCP): Copy protection system for HDTV.
High-Definition Multimedia Interface (HDMI): Digital audio and video interface for
HDTV signals.
HDTV: (high-definition television): Television with better resolution than the conventional
European 625 line, (576 active lines) and the American 525 line (486 active lines)
systems. High definition TV standards are 1080i 0r 1080 p with 1080 active lines
(1920x1080 pixels) and 720p with 720 active lines (1280x720 pixels).
