Patent ID: 9344682
Filing Date: 2016-05-17
CPC Classification: H04L,H04N

Claim Text:
1. A multimedia providing unit comprising: a processor; a memory; a transmitter that multicasts, using the processor, a main multimedia stream comprising a mixture of intra frames and inter frames and that multicasts, using the processor, an associated auxiliary stream comprising intra frames, wherein at least a portion of said intra frames of said auxiliary stream are generated based on same multimedia data as at least a portion of said inter frames of said main multimedia stream, and wherein the intra frames of the auxiliary stream are encoded at a same quality level as the intra frames of the main multimedia stream; said transmitter multicasts, using the processor, said main multimedia stream with a defined time delay relative to said auxiliary stream; and a channel provider that provides, using the processor, a stream information channel comprising information descriptive of time instances of intra frames in said main multimedia stream and said auxiliary stream.