发明申请
- 专利标题: METHOD AND SYSTEM FOR PROVIDING A REGIONAL CHANNEL IN A DIGITAL BROADCAST ENVIRONMENT
- 专利标题(中): 在数字广播环境中提供区域频道的方法和系统
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申请号: US11782724申请日: 2007-07-25
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公开(公告)号: US20080040755A1公开(公告)日: 2008-02-14
- 发明人: Jean-Luc Collet , Francois-Xavier Drouet , Fabien Lanne
- 申请人: Jean-Luc Collet , Francois-Xavier Drouet , Fabien Lanne
- 申请人地址: US NY Armonk
- 专利权人: INTERNATIONAL BUSINESS MACHINES CORPORATION
- 当前专利权人: INTERNATIONAL BUSINESS MACHINES CORPORATION
- 当前专利权人地址: US NY Armonk
- 优先权: EP06118686.2 20060809
- 主分类号: H04N5/00
- IPC分类号: H04N5/00
摘要:
A method of delivering a regional television channel to a user over an Internet Protocol Television (IPTV) service comprising the steps of forming a multicast of channels intended for delivery to a user each channel having a specific channel slot, the multicast of channels including one or more regional channels corresponding to one of the multicast of channels; broadcasting the multicast channels to the user through a regional gateway; forming a regional channel control signal for scheduling and requesting broadcast of the at least one regional channel instead of the one of the multicast of channels; transmitting the regional channel control signal to the regional gateway; and in accordance with the regional channel control signal, at the required time, switching the regional gateway to the at least one regional channel instead of the corresponding one of the multicast channels such that the regional channel is in the specific channel slot of the corresponding channel.
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