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41. 发明申请

US20070183743A1 Broadcast program recording apparatus 审中-公开
标题翻译：广播节目记录装置
公开(公告)号：US20070183743A1
公开(公告)日：2007-08-09
申请号：US10565654
申请日：2004-08-05
申请人： Kentaro Tanikawa , Yuko Tsusaka
发明人： Kentaro Tanikawa , Yuko Tsusaka
IPC分类号： H04N5/91
CPC分类号： H04N5/782 , H04N5/45 , H04N21/2625 , H04N21/4312 , H04N21/4314 , H04N21/4334 , H04N21/4394 , H04N21/44008 , H04N21/440263 , H04N21/440281 , H04N21/47214 , H04N21/47217 , H04N21/812
摘要： A broadcast program recording apparatus locates a start position of a target broadcast program preset to be recorded, even if a program preceding the target broadcast program is broadcast for an extended time period. In a record/playback apparatus 100, a silence detecting unit 108 detects silent frames and calculates a segment period between detected silent frames. An index registering unit 109 judges whether a program broadcast during the segment period is a CM. If judged in the affirmative, the record/playback apparatus 100 adds the segment period to the total CM period. If judged in the negative, it is further judged whether the total CM period exceeds a threshold. On judging that the threshold is exceeded, the record/playback apparatus 100 generates an index entry composed of a content ID and the display time of a silent frame that is broadcast between the CM and a broadcast program, and stores the index entry to the index storage unit 104.
摘要翻译：广播节目记录装置定位预定为要记录的目标广播节目的开始位置，即使目标广播节目之前的节目被广播一段延长的时间段。在记录/回放装置100中，静音检测单元108检测无声帧并计算检测到的无声帧之间的段周期。索引注册单元109判断在段期间广播的节目是否是CM。如果判断为肯定，记录/重放装置100将段周期添加到总CM周期。如果判断为否定，则进一步判断总CM周期是否超过阈值。在判断为超过阈值的情况下，记录/重放装置100生成由CM和广播节目之间广播的内容ID和无声帧的显示时间构成的索引条目，并将索引条目存储到索引存储单元104。

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