OPTIMIZATION OF BITRATE ADAPTATION AND PREFETCHING FOR SHORT-FORM VIDEO
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United States of America Patent
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Issued Date -
Oct 17, 2024
app pub date -
Apr 13, 2023
filing date -
Apr 13, 2023
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status (Latency Note)
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Abstract
A method includes acquiring a playlist identifying a plurality of video files to be played back during a video streaming session on an endpoint device, obtaining, from an operator of a communications network over which the video files are to be downloaded, a maximum throughput for the video streaming session, selecting a subsequent video file that is scheduled in the playlist for playback after a playback of a currently playing video file, wherein the subsequent video file includes a plurality of chunks, selecting, based on the maximum throughput and for each of the chunks, a variant, such that a plurality of variants is selected in which each variant corresponds to one chunk of the plurality of chunks, wherein the variants are selected to maximize a utility function that is constrained by the maximum throughput, and downloading the plurality of variants to a local buffer of the endpoint device.
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