Method and apparatus for automatic switching of...

Details Method and apparatus for automatic switching of... Method and apparatus for automatic switching of...

2005-10-31

2008-12-30

Patel, Haresh N (Department: 2154)

Electrical computers and digital processing systems: multicomput

Computer-to-computer protocol implementing

Computer-to-computer data streaming

C709S228000, C725S097000, C725S062000, C370S486000

Reexamination Certificate

active

07472197

ABSTRACT:
A system for live TV transmission over IP networks incorporates a content encoder receiving live TV broadcast and converting to RTP packets for multicast streaming. A streaming server receives the multicast RTP packets from the content encoder and converts the multicast stream to a unicast stream. The streaming server is also responsive to RTSP commands for trick mode operation. A settop box is connected through an IP network for receiving multicast RTP packets from the content encoder and generating RTSP commands for trick mode operation, the setup box issuing a leave multicast group signal upon issuing a trick mode command and receiving unicast transmission of RTP packets from the streaming server controllable by the trick mode commands.

REFERENCES:
patent: 2006/0126667 (2006-06-01), Smith et al.
patent: 2007/0094691 (2007-04-01), Gazdzinski
patent: 2007/0107026 (2007-05-01), Sherer et al.
patent: 2007/0168523 (2007-07-01), Jiang et al.

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