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    • 3. 发明申请
    • METHOD AND APPARATUS OF DIGITAL BROADCASTING SERVICE USING AUTOMATIC KEYWORD GENERATION
    • 使用自动关键字生成的数字广播服务的方法和装置
    • US20110283324A1
    • 2011-11-17
    • US13086692
    • 2011-04-14
    • Bong Jin OH
    • Bong Jin OH
    • H04N5/445H04N7/173
    • H04N21/234336H04N21/26283H04N21/42203H04N21/4828H04N21/658
    • Disclosed are an apparatus and a method of providing a digital broadcasting service by using automatic keyword generation. A voice recognizing device converts a voice into text-format data for each channel and a server extracts a word-unit keyword from received data by a predetermined design, and stores the keyword for each channel. When there is a request from an IPTV terminal, the stored keyword for each channel is retrieved and transmitted. The IPTV terminal requests retrieval associated with the received keyword to a portal and receives a service retrieval result associated with the keyword from the portal. In addition, the IPTV terminal transmits and displays the service retrieval result to and on a TV. According to the present invention, it is possible to automatically generate and manage the keyword for each channel and easily retrieve and provide the service associated with the corresponding keyword, such that viewers can immediately resolve questions about characters or situations of a presently viewed channel to thereby acquire improved satisfaction.
    • 公开了通过使用自动关键词生成来提供数字广播服务的装置和方法。 语音识别装置将语音转换为每个频道的文本格式数据,并且服务器通过预定的设计从接收到的数据中提取单词关键字,并存储每个频道的关键字。 当存在来自IPTV终端的请求时,检索并发送每个频道存储的关键字。 IPTV终端向门户请求与接收的关键字相关联的检索,并从门户接收与该关键词相关联的服务检索结果。 另外,IPTV终端向TV发送和显示服务检索结果。 根据本发明,可以自动生成和管理每个频道的关键字,并且容易地检索和提供与相应关键字相关联的服务,使得观看者可以立即解决关于当前观看频道的字符或情况的问题,从而 获得提高的满意度。