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    • 5. 发明公开
    • Optimally adapting multimedia content for mobile subscriber device playback
    • Optimale Anpassung von MultimediainhaltfürWiedergabe auf einem Mobilteilnehmer-Endgerät
    • EP2249529A2
    • 2010-11-10
    • EP10008832.7
    • 2005-03-21
    • NDS Limited
    • Mail, DavidSolow, HillelWaisbard, ErezAnatoly, SeldinCarmi, Bogot
    • H04L12/58
    • H04L41/0879H04L41/0886H04L51/066H04L51/24H04L51/38H04L63/105H04L65/605H04L65/80H04L2463/101H04N7/1675H04N21/23439H04N21/2347H04N21/2541H04N21/2543H04N21/25833H04N21/41407H04N21/4627H04N21/8352H04N21/8355
    • An apparatus and method are disclosed for distributing multimedia content, the method comprising, storing an item of multimedia content as stored multimedia content; firstly transcoding said stored multimedia content for playback on a first multimedia device (104), thereby producing a firstly transcoded version of said stored multimedia content; generating a content ID of said firstly transcoded version of said stored multimedia content; storing said content ID of said firstly transcoded version of said stored multimedia content, as a stored first content ID, in association with said stored multimedia content; receiving an instruction to forward said item of multimedia content to a second multimedia device (104), said instruction comprising a copy of said firstly transcoded version of said stored multimedia content; and performing the following in response to said instruction: accessing said stored multimedia content using said stored first content ID of said firstly transcoded version of said stored multimedia content, said accessing comprising: generating a received content ID of said copy of said firstly transcoded version of said stored multimedia content; and looking up said stored multimedia content by comparing said received content ID with said stored first content ID; and transcoding said stored multimedia content for playback on a second multimedia device (104).
    • 公开了一种用于分发多媒体内容的装置和方法,所述方法包括:存储多媒体内容的项目作为存储的多媒体内容; 首先对存储的所述多媒体内容进行代码转换以便在第一多媒体设备(104)上重放,由此产生所述存储的多媒体内容的首次转码版本; 生成所述存储的多媒体内容的所述第一转码版本的内容ID; 将存储的所述多媒体内容的所述第一转码版本的所述内容ID作为存储的第一内容ID与所述存储的多媒体内容相关联地存储; 接收将所述多媒体内容项目转发给第二多媒体设备(104)的指令,所述指令包括所述存储的多媒体内容的所述第一转码版本的副本; 以及响应于所述指令执行以下操作:使用所述存储的所述多媒体内容的所述第一代码转换版本的所存储的第一内容ID访问所述存储的多媒体内容,所述访问包括:生成所述第一转码版本的所述副本的接收内容ID 所述存储的多媒体内容; 以及通过将所述接收的内容ID与所存储的第一内容ID进行比较来查找所述存储的多媒体内容; 以及对所存储的所述多媒体内容进行代码转换以便在第二多媒体设备(104)上重放。