System and method for efficiently providing media and associated metadata
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United States of America Patent
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Jan 29, 2019
Grant Date -
Jun 22, 2017
app pub date -
Dec 23, 2016
filing date -
Sep 23, 2013
priority date (Note) -
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Abstract
An electronic device obtains a file header for a file that corresponds to a plurality of clusters. The file header includes a cluster index that enables coarse searching within the file. At least one of the file header and the file omits information that is known to or calculable by the device for extracting content from the file. In response to receiving a request to seek to a position within the file, the device identifies a cluster that includes content that corresponds to the position based on the cluster index and obtains a cluster header that enables fine searching within the cluster. After obtaining the cluster header, the device identifies, within the cluster, the content that corresponds to the position based on the content index and provides at least a portion of content corresponding to the file to a presentation device, starting with the content that corresponds to the position.
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