Interactive video distribution systems – User-requested video program system – Video-on-demand
Reexamination Certificate
2006-02-21
2006-02-21
Srivastava, Vivek (Department: 2617)
Interactive video distribution systems
User-requested video program system
Video-on-demand
C725S093000, C725S151000, C370S468000, C370S487000, C370S490000, C709S231000, C709S232000, C709S229000
Reexamination Certificate
active
07003794
ABSTRACT:
A multicasting system for reception of multimedia information comprising: a content switch coupled to a multimedia content source and at least one multimedia smart terminal. The multimedia content source includes a plurality of multimedia contents, wherein each multimedia content is supported by a primary multimedia stream transmitted over a primary dedicated channel having a primary bandwidth. At least one multimedia smart terminal is configured to receive from the content switch over a network each multimedia content as a secondary multimedia stream transmitted over a secondary channel having a secondary bandwidth. The content switch includes a bandwidth scaler configured to scale each primary multimedia stream to a plurality of secondary multimedia sub-streams that are substantially synchronized. The multimedia smart terminal includes a smart terminal sub-stream switch configured to switch among the plurality of secondary multimedia sub-streams in order to select a substantially optimum secondary multimedia sub-stream. The substantially optimum secondary multimedia sub-stream includes a substantially optimum relationship between an error rate level determined at the time of reception of a multimedia content and the quality of reception of a multimedia content.
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Bamboo Mediacasting, Inc.
Ma Johnny
Srivastava Vivek
Tankhilevich Boris G.
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