1. End-to-End Systems Usual Content Modulator Usual Content Demodulator Usual Content Production New Content Insertion New Content Production Usual Content Consumption New Content Consumption New Content Extraction New Content Transport New Content Transport Broadcast Network Interactive Network

2. NexTV Software Stack Application (s) (typically downloaded from broadcast network) Standard Java API Digital TV Specific APIs MPEG-4 Player Java Virtual Machine Systems Software

3. Terminal Architecture Application RTP/UDP/IP FlexMuxv Delivery MPEG-2/4 DVB MP4 Executive Media Stream ALManager Media Stream Decoder Media Object Media Stream Root Scene Object BIFSDecoder Presenter 2D Presenter 3D Presenter (SoNG) Xtended Content (HTML, MPEG-J)