Method for transmitting a scalable HTTP stream for natural reproduction upon the occurrence of expression-switching during HTTP streaming
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United States of America Patent
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Jun 14, 2016
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app pub date -
Oct 5, 2011
filing date -
Oct 6, 2010
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Abstract
Discussed is a processing method which enables natural reproduction upon the occurrence of representation switching during the transmission of an HTTP stream. The method includes: constructing, for a first representation, a plurality of segments including base layer of scalable video coding, constructing, for a second representation with a higher resolution than the first representation, a plurality of segments including enhanced layer of scalable video coding, and transmitting at least one of at least a part of the plurality of segments for the first representation and at least a part of the plurality of segments for the second representation, when transmitting the second representation. Only base layers may be extracted from the second representation and used as a reference in decoding low bit-rate segments to be reproduced in the future, thus multimedia content can be seamlessly displayed upon the occurrence of representation-switching.
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