Proprietary For use where proprietary extensions are required, or the use of keywords that do not fit in any classification below Linear content that is consumed in real time Audio only Radio programme Video only Audio and video TV programme Multimedia Text Digital text Graphics Images, Graphics Application a software application that controls the consumer experience Data eg a weather data service Non Linear content where the consumer can navigate within the content to alter their experience eg DVD scene by scene consumption, Audio only Video only Audio and video Multimedia Text Graphics Application Data eg a weather data service AUDIO VIDEO ENHANCEMENTS Linear with non-sync Linear programme with non-syncronised, non av content Linear with sync Linear programme with syncronised non av content Multi stream audio Multi, parallel stream linear audio programme Multi stream video Multi, parallel stream linear audio/video programme Non-linear one stream av show Non-linear single video/audio programme Non-linear multi stream Non-linear multi, parallel stream video programme Hybrid NVOD Hybrid NVOD - lcoally stored material linking back to scheduled av content Mix and match Video with audio programme (component) Ids eg: BBC. video with BBC2 audio Parallel 'layer controlled' audio or video support Multiple decoders allow dynamic mixing of audio or video Linear broadcast with online insertions Linear broadcast programme with dynamically inserted online content Multimedia MashUp A Mash-Up / Interactive Session of linear broadcast programme, non-linear video/audio programme, graphics, interactive text and dynamically inserted online content