ADAPTIVE STREAMING AWARE NODE, ENCODER AND CLIENT ENABLING SOOTH QUALITY TRANSITION
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United States of America Patent
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May 7, 2015
app pub date -
Jun 24, 2013
filing date -
Jun 28, 2012
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For adaptive streaming, a video item is available in plural quality versions. Corresponding video slices (411, 421; 412, 422) in the different quality versions are pre-processed to contain bit strings for equal image portions. The client (303) can request a video segment of the video item thereby specifying in its request any arbitrary requested quality/bit rate. An adaptive streaming aware node (301) thereupon selects video slices/NAL units (431, 442) for the requested video segment proportionally from plural quality versions in a ratio matching the arbitrary requested quality. The adaptive streaming aware node (301) streams the video segment composed of the proportionally selected video slices/NAL units (431, 442) to the client (303).
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