Method for signaling streaming quality adaptation and control mechanisms in multimedia streaming
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United States of America Patent
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Issued Date -
Oct 7, 2004
app pub date -
Feb 13, 2004
filing date -
Feb 13, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of signaling and negotiation between a client and a server in a multimedia streaming service regarding the adaptation of the data delivery process. In order to make sure that the client supports the adaptation mechanisms or capabilities to be used in data delivery, one of the parties provides information indicating the adaptation mechanism or capability that it supports to the other party. Upon receiving the information, the other party uses well-defined RTSP response to indicate the support of that mechanism or capability. Either the server or the client can initiate the negotiation. The implementation of the signaling and negotiation covers an AVPF usage, RTP Retransmission Playload Format usage, and an SPTP usage in a particular 3G PSS session.
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