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    • 8. 发明申请
    • APPARATUS AND METHODS FOR REDUCED SWITCHING DELAYS IN A CONTENT DISTRIBUTION NETWORK
    • 在内容分发网络中减少切换延迟的设备和方法
    • US20130046849A1
    • 2013-02-21
    • US13213817
    • 2011-08-19
    • Ethan WolfJason Gaedtke
    • Ethan WolfJason Gaedtke
    • G06F15/16
    • H04L67/2842H04N21/2183H04N21/251H04N21/25891H04N21/4331H04N21/4384H04N21/47202H04N21/6125H04N21/64322
    • Apparatus and methods for providing reduced channel switching delays in a content distribution network. In one embodiment, switching delays are reduced by caching background content at reduced quality and/or resolution. A manager entity is provided which manages which, and how many, background channels are cached. Additionally, the manager entity may classify each device in the network according a status thereof. When a particular device is in one status or mode, background content is cached; however, when the device is in another status or mode, it will no longer require background content caching. The provision of background content and the determination of a status may be based on for example the user or device behavior and patterns, user preferences or favorites, bandwidth availability, time of day, subscription level, type of program, recentness of channel change requests on the device (or associated devices), etc.
    • 用于在内容分发网络中提供减少的信道切换延迟的装置和方法。 在一个实施例中,通过以降低的质量和/或分辨率缓存背景内容来减少切换延迟。 提供一个管理实体来管理哪个和多少个后台通道被缓存。 此外,管理实体可以根据其状态对网络中的每个设备进行分类。 当特定设备处于一个状态或模式时,缓存后台内容; 但是,当设备处于其他状态或模式时,将不再需要后台内容缓存。 提供背景内容和确定状态可以基于例如用户或设备的行为和模式,用户偏好或收藏,带宽可用性,时间,订阅级别,程序类型,频道更改请求的近似性 设备(或相关设备)等