发明名称 |
METHOD FOR REDUCING CHANNEL CHANGE TIME OF INTERNET PROTOCOL TELEVISION (IPTV) AND IPTV SERVICE PROVISION SERVER FOR IMPLEMENTING THE SAME |
摘要 |
The present invention provides a method for reducing channel change time of an IPTV and an IPTV service provision server for implementing the same, which comprise: determining the type of each of individual channels to be provided to a user and the number of additional intraframes required to be inserted into video data to be provided via the channels; inserting the additional intraframes corresponding to the determined number into the video data; encoding the video data; and transmitting the encoded video data to a first router or a second router according to the determined channel type, before receiving a channel request signal from the user.
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申请公布号 |
US2011173670(A1) |
申请公布日期 |
2011.07.14 |
申请号 |
US201113071261 |
申请日期 |
2011.03.24 |
申请人 |
POSTECH ACADEMY-INDUSTRY FOUNDATION |
发明人 |
SONG HWANGJUN;LEE DAI-BOONG;JOO HYUNCHUL |
分类号 |
H04N7/173 |
主分类号 |
H04N7/173 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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