Programme-associated PAD channel from PAD multiplexing is on PAD is an integral part PAD with broadcaster selected data (PAD) capability 0.66 kbit/s to 64 kbit/s MPEG-2 systems of the system and can capacity is available. Dynamic label capacity is available be provided through opportunistic data for programme and service through a reduction of any without any reduction identification showing on any audio channel by the of audio quality or data channels. receiver alphanumeric display is corresponding amount. Dynamic label for programme and available to all receivers (DRM Dynamic label for service identification showing on any TextMessages; programme programme and service receiver alphanumeric display is accompanying labels (Unicode)); identification showing available to all receivers Electronic programme only receiver advanced text-based information alphanumeric display is service (Unicode), supporting all available to all receivers. classes of receivers, triggers Basic hypertext markup interactivity and geo-awareness; language (HTML) programme accompanying images + decoding and Joint animation traffic information Photographic Experts video Group (JPEG) picture decoding is available on receivers with graphic displays (1/4 video graphic array (VGA)), etc. Flexible assignment The multiplex can be The multiplex can be dynamically The system automatically reconfigures The multiplex can be dynamically of services dynamically reconfigured re-configured in a fashion between audio and data in a fashion reconfigured in a fashion transparent in a fashion transparent to transparent to the user transparent to user to the user the user 1 (continued) Characteristics from Recommendation Digital System A Digital System F Digital System C Digital System G ITU-R BS.774 (condensed wording)
Programme-associated data (PAD) capability PAD channel from 0.66 kbit/s to 64 kbit/s capacity is available through a reduction of any audio channel by the corresponding amount. Dynamic label for programme and service identification showing only receiver alphanumeric display is available to all receivers. Basic hypertext markup language (HTML) decoding and Joint Photographic Experts Group (JPEG) picture decoding is available on receivers with graphic displays (1/4 video graphic array (VGA)), etc. PAD multiplexing is on MPEG-2 systems PAD is an integral part of the system and can be provided through opportunistic data without any reduction of audio quality or data channels. Dynamic label for programme and service identification showing on any receiver alphanumeric display is available to all receivers PAD with broadcaster selected capacity is available. Dynamic label for programme and service identification showing on any receiver alphanumeric display is available to all receivers (DRM TextMessages; programme accompanying labels (Unicode)); Electronic programme advanced text-based information service (Unicode), supporting all classes of receivers, triggers interactivity and geo-awareness; programme accompanying images + animation traffic information video Flexible assignment of services The multiplex can be dynamically reconfigured in a fashion transparent to the user The multiplex can be dynamically re-configured in a fashion transparent to the user The system automatically reconfigures between audio and data in a fashion transparent to user The multiplex can be dynamically reconfigured in a fashion transparent to the user 1 (continued) Characteristics from Recommendation ITU-R BS.774 (condensed wording) Digital System A Digital System F Digital System C Digital System G