Here is a glossary of non linear services and technical terms associated. These are not statutory definitions.
Two meanings of "VOD" - Video On Demand:
- The whole variety of non-linear / on-demand services. As opposed to linear services, which
broadcast a program at a date and time chosen by the broadcaster, non linear services make programs available to the users, who will screen them at the time and place of their choice
- On-demand rental, which historically was the first on-demand service to appea.
AVOD - Advertised VOD or Free VOD or Free-On-Demand
Service offering the free screening of a program at the time and place chosen by the user (the cost being supported by advertisers).
Catch-Up TV
Service offering the screening, at a time and place chosen by the user, of a program that was recently broadcast on TV. The service can be free or paying (e.g. to screen a program that was
broadcast by a pay TV channel).
DRM - Digital Rights Management
Digital key restricting the use of an electronic file (e.g. forbidding transfers, or limiting the number of screenings or the time during which the program may be watched).
EST - Electronic Sell-Through or DTB/DTO - Download To Burn/Own
Service offering to buy a program at a moment and place chosen by the user, to permanently download and/or burn it on a digital media, and watch it almost immediatel.
IPTV - Internet Protocol TV
Commonly and improperly referring to a TV service broadcast through DSL services. When the VOD is exploited on IPTV, the service is available on a TV connected to a DSL network through a set top
box.
Portability
Technology allowing to transfer on a portable device (e.g. iPod, Archos, mobile phone, laptop) a downloaded program. The number of screenings can be limited in time or not, and the number of
transfers can be limited or not.
STB - Set Top Box
Electronic box gathering Internet access and/or phone and/or TV services, generally using the DSL technology.
Streaming
Technology allowing to screen a program at the moment chosen by the user, without the program actually being downloaded on the user-hardware (computer or TV).
SVOD - Subscription VOD
Service offering to screen at the moment and place chosen by the user a given number of programs for a specific amount of time against a lump sum.
Temporary Download
Technology allowing to download a program, at the moment chosen by the user, which the user will only be able to screen a certain number of times and during a certain period of time.
VOD Rental
Service allowing to rent a program to screen it at the moment and place chosen by the user.