Digital Signage
Broadcasting
Content Management
and
Distribution Techniques
Share on Facebook
Share on Twitter
Share on Google Bookmarks
Share on Stumble Upon
Share on Reddit
Share on LiveJournal
Share on Newsvine
Share via e-mail

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).


Digital Signage Glossary D-H