| 摘要 |
This invention provides a method that when the disturbance of the bandwidth or the signal quality occurs during the digital program broadcasting, so that the broadcasting quality of the currently broadcast normal program is below a predetermined value, a prearranged program having a specific broadcasting quality, such as advertisements, will be inserted. The prearranged program may have an regular relation to the currently broadcast normal program, thereby the user would rather appreciate some program than suffer bad screen showing or wait until the program returns back to a good condition to be watched normally. This invention further provides a method for making statistics of the inserted prearranged program, said statistical information could be used for charging.
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