BROADCAST ARCHIVE UTILIZING METHOD AND BROADCAST ARCHIVE RECEIVING APPARATUS
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机译：广播档案归档使用方法和广播档案接收设备
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摘要
PROBLEM TO BE SOLVED: To reproduce a portion in the past of a broadcast under real-time viewing through simple operation even without a video recording instruction from a user.;SOLUTION: The broadcast archive utilizing method comprises: a first step of changing a playback position of a program under viewing and comparatively judging whether or not the playback position is in a reproducible phase of the program to determine whether or not the program can be played back; a second step of changing the playback position when playback is possible in the first step; and a third step of searching the program from at least one or more routes on the basis of program identification information when playback is impossible, and further comparatively judging the presence/absence of the playback position in the reproducible phase of the searched program to determine a route. By switching a reception route to the route determined in the third step, the portion in the past of the program under viewing can be played back utilizing a broadcast archive.;COPYRIGHT: (C)2005,JPO&NCIPI
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