Many new phenomena arising during the IPTV development make great effect on IPTV itself, and the research on these phenomena will surly facilitate its further growth. Taking PPS for instance the paper analysts a complicated and stereoscopic communication model. Further, based on the research and comparison of several different models, the paper goes on to sketch a detailed mechanism of PPS communication model and give deep insights into the factors of this model. The model sums up the IPTV communication progress and is more comprehensive, systematic and practical compared with other models. Then, the paper gives the definition of excess and insufficient communication, analyze the reason of mass content; it also research on those problems like inferior quality of video program, unregulated copy rights, repeated contents, existing limited contents and vulgar advertisements etc. To deal with these problems, the paper comes up with suggestions including setting up standard of permission, diversification and integrated communication. From the audiences'point of view, the paper category them and point out the change in their rights. On the research of their mentality shock and fluctuation, the paper focuses on both the audiences' psychology demand and trouble in the communication of PPS. Based on the above research, the paper gives resolution from both the audience themselves and the regulator. At last, the paper analysis the internal and external reasons that hinder the improvement of IPTV, and give suggestions such as further cooperation with the traditional media, creating characteristic channels, establishing network database of audio/video materials, etc. |