Abstract: The invention has been developed for use as a device and a method to effectively synchronise post-processed graphics and audio streams for media presentation devices and attached devices such an attached sound systems. This invention is for digital television, including convergent television apparatus and systems delivered from a various sources such as over the internet.

Abstract: A system, method and apparatus for content management and delivery, and in particular a means for providing specifically targeted advertising to a recipient through the use of advertisement optimisation, via the use of advertisement deletion and insertion based on the recipient's behavioural characteristics.

Abstract: The present invention relates to a method, system and apparatus to enable information accessibility on digital panels such as television panel. In particular, the invention relates to a method, system and apparatus to enable multiple sources of information to be displayed independently onto one or more graphics planes of multimedia devices and, where and when necessary, for securing access to information revealed on one or more graphics planes of multimedia devices such as convergent television and digital displays.