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HBBTV System

HbbTV (Hybrid Broadcast Broadband TV) is a

standard that seamlessly combines TV services

delivered via broadcast with services delivered via

broadband and also enables access to Internet only

services for consumers using connected TVs and set-

top boxes. Services delivered through HbbTV include

traditional broadcast TV channels, catch-up services,

video-on-demand, EPG, interactive advertising,

personalisation, voting, games, social networking and

other multimedia applications.

HbbTV applications are available on channels where

they are signalled by the broadcaster (currently

various channels on Astra broadcast HbbTV

applications). The broadcaster marks one application

as “autostart” and this one is started by the platform

automatically. The applications are generally launched

with a small red button icon to notify the user that

there is an HbbTV application on that channel (The

shape and the location of the red button depends on

the application). The red button is displayed for some

and then may disappear. The user then should press

the red button to open the application page. After the

page is displayed the user can go back to the initial

red button icon state by pressing the red button again.

The user can toggle between the red button icon mode

and full UI mode of the application via pressing red

button. It should be noted that the red button switching

capability is provided by the application and some

application may behave differently.

Figure x: Service with red button application (taken

from HbbTV specication)

If you switch to another channel while an HbbTV

application is active (either in red button icon mode

or full UI mode), the following scenarios can occur.

• The application can continue running.

• The application can be terminated.

• The application can be terminated and another

autostart red button application can be launched.

HbbTv allows the applications to be retrieved both

from broadband or broadcast. The broadcaster may

enable both ways or one of them. If the platfrom does

not have an operational broadband connection, the

platform can still launch applications transmitted on

broadcast.

The autostart red button applications generally provide

links to other applications. An example of this is shown

below. The user then can switch to other applications

by using the links provided. The applications should

provide a way to terminate themselves, usually Exit

button is used for this.

Figure a: Start bar application

Figure b: EPG application, broadcast video is shown

on the left bottom, can be terminated by pressing 0.

HbbTv applications use keys on the remote control to

interact with the user. When an HbbTv applications is

launched, the control of some keys are owned by the

application. For example, numeric channel selection

may not work on a teletext application where the

numbers indicate teletext pages.

HbbTv requires AV streaming capability for the

platform. There are numerous applications providing

VOD (video on demand) and catch-up TV services.

The user can use play, pause, stop, forward, and

rewind keys on the remote control to interact with

the AV content

Note: You can enable or disable this feature from the Other

Settings menu in Settings menu. This feature is not availlable

for UK models.

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