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HTTP ADAPTIVE STREAMING SERVER WITH AUTOMATIC RATE SHAPING

  • US 20140351386A1
  • Filed: 04/30/2014
  • Published: 11/27/2014
  • Est. Priority Date: 10/07/2011
  • Status: Active Grant
First Claim
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1. An adaptive streaming server for transmitting a content stream through a network to a client, the adaptive streaming server comprisinga Hypertext Transfer Protocol (HTTP) server comprising an input interface configured to receive a request from the client to play the content stream;

  • a segmenting unit configured to receive multiple files of the content stream where the multiple files are encoded at different bit rates;

    the segmenting unit further configured to segment each of the multiple files into a plurality of segments;

    a segment storage unit configured to store the plurality of segments;

    a bandwidth monitor configured to monitor a congestion level within the network; and

    the HTTP server further comprising;

    a processing unit configured to generate a master manifest while taking into account the congestion level within the network and taking into account a number of clients playing the content stream, wherein the master manifest includes a plurality of child manifests, wherein the first child manifest has references to the segments having a first bit rate, the second child manifest has references to the segments having a second bit rate, and the third child manifest has references to the segments having a third bit rate, and wherein the first bit rate is higher than the second bit rate which is higher than the third bit rate.

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