DIGITAL TELEVISION SYSTEM, DECODER FOR THIS SYSTEM, FURTHER METHOD OF BROADCASTING DIGITAL AUDIODISUAL INFORMATION

摘要

A digital television system including a transmission means 4,6 for transmitting digital audiovisual information on a plurality of channels 41 characterised in further comprising a means 44,45 for introducing in real time an event message into the datastream on one or more channels, the event message including information regarding the occurrence of an event and the channel on which the event has occurred. Preferably, the transmission means further includes a delay device 3 for introducing a predetermined delay into the transmission time of the audiovisual information broadcast on each of the channels. The invention finds particular application in the case of simultaneous transmission of sporting events, where a viewer watching one channel may be informed of the occurrence of an event, such as a goal, on another channel.