Video transmission of layered coded data
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United States of America Patent
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-
Jun 3, 2008
Grant Date -
Aug 11, 2005
app pub date -
Feb 20, 2004
filing date -
Feb 28, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A video transmission system, a video transmitting apparatus, a video receiving apparatus, and a video transmission method whereby, when a plurality of terminals whose characteristics differ receive video simultaneously, each terminal can receive video with quality appropriate for that terminal. In this system, a video transmitting apparatus (100) divides layered-coded data by quality and bit rate by means of a channel division section (106), and transmits data on separate channels from a video transmitting section (108) after adding priorities calculated by a priority calculation section (112). Video transmitting apparatus (100) also groups channels by quality and calculates a group list by means of a group list calculation section (114), and transmits this group list from a group list transmitting section (116).
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