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Chapter 4. iTV Receivers > Platform Architecture

4.2. Platform Architecture

Interactive TV platforms are essentially extending traditional TV receivers with a data service engine (see Figure 4.3). This engine receives input data demultiplexed out of an MPEG-2-based transport, as well as input from an IP-based transport, and produces graphics as output. The output graphics are then blended with the audio and video to produce the complete integrated rendering of a viewer's experience.

Figure 4.3. Combining audio, video, and data service rendering.



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