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    • 8. 发明授权
    • Adaptive progressive download
    • 自适应逐行下载
    • US08504713B2
    • 2013-08-06
    • US12790728
    • 2010-05-28
    • Ashwani AryaParag Arole
    • Ashwani AryaParag Arole
    • G06F15/16
    • H04L65/602H04L65/80
    • Data packets to be transferred over a network as part of a temporally ordered content stream are obtained by an adaptive progressive download (APD) server. The APD server divides the data packets of the content stream into epochs of contiguous data, the epochs including a current epoch. The APD server determines a bit rate available on the network for transferring the current epoch and calculates an estimate of a playback time of the content stream buffered at a computer to which the content stream is being transferred and played back. The calculation of the estimate is based at least in part on the bit rate available on the network and an encoding bit rate of the content stream. The APD server controls the transfer of the content stream over the network in accordance with the estimated playback time.
    • 通过自适应逐行下载(APD)服务器获得要作为时间排序的内容流的一部分通过网络传送的数据分组。 APD服务器将内容流的数据分组划分为连续数据的时期,其中包括当前时期。 APD服务器确定网络上可用于传送当前时期的比特率,并且计算缓冲在内容流被传送和回放到的计算机上的内容流的播放时间的估计。 估计的计算至少部分地基于网络上可用的比特率和内容流的编码比特率。 APD服务器根据估计的播放时间来控制通过网络的内容流的传送。