Adaptive multiplexing/demultiplexing method and multiplexer/demultiplexer therefor

Claim 2

An adaptive multiplexing/demultiplexing method in an audio/visual system using H.223 and H.223 Annexes, the method comprising steps of: (a) performing a first multiplexing/demultiplexing process having at least one of: the complexity and performance of the H.223 recommendation; (b) performing a second multiplexing/demultiplexing process having at least one of the complexity and performance of the H.223/Annex C recommendation; and (c) inserting one or more intermediate multiplexing/demultiplexing processes having at least one of different complexities and performance levels from the multiplexing/demultiplexing processes of steps (a) and (b).

Claim 3

The method of claim 1 , wherein the intermediate multiplexing/demultiplexing process of the step (c) uses a high-level data link control (HDLC) flag having more bits than the H.223 recommendation.

Claim 4

The method of claim 2 , wherein the HDLC flag includes an extra pseudo-random noise (PN) code.

Claim 5

The method of claim 1 , wherein the intermediate multiplexing/demultiplexing process of the step (c) comprises the substeps of: (c1) using a high-level data link control (HDLC) flag having more bits than the H.223 recommendation; and (c2) using a header having more bits than the H.223 recommendation.

Claim 6

The method of claim 4 , wherein the HDLC flag includes an extra pseudo-random noise (PN) code.

Claim 7

The method of claim 1 , wherein the intermediate multiplexing/demultiplexing process of the step (c) comprises the substeps of: (c1) using a high-level data link control (HDLC) flag having more bits than the H.223 recommendation; (c2) using a header having more bits than the H.223 recommendation; and (c3) using error protection bits in either an adaptation layer or a multiplexer layer.

Claim 8

The method of claim 6 , wherein the HDLC flag includes an extra pseudo-random noise (PN) code.

Claim 9

An adaptive multiplexer/demultiplexer (MUX/DEMUX) in an H.324M system, comprising: an H.223 MUX/DEMUX; an H.223/Annex C MUX/DEMUX; and one or more intermediate MUX/DEMUXs between the H.223/Annex C MUX/DEMUX and the H.223 MUX/DEMUX, having different complexities from the H.223/Annex C MUX/DEMUX and the H.223 MUX/DEMUX.

Claim 10

An adaptive multiplexer/demultiplexer (MUX/DEMUX) in an H.324M system, comprising: an H.223 MUX/DEMUX; an H.223/Annex C MUX/DEMUX; and one or more intermediate MUX/DEMUXs between the H.223/Annex C MUX/DEMUX and the H.223 MUX/DEMUX, having different complexities from the H.223/Annex C MUX/DEMUX and the H.223 MUX/DEMUX.

Claim 11

The MUX/DEMUX of claim 8 , wherein the one or more intermediate MUX/DEMUXs use a high-level data link control (HDLC) flag having more bits than the H.223 recommendation.

Claim 12

The MUX/DEMUX of claim 9 , wherein the HDLC flag includes an extra pseudo-random noise (PN) code.

Claim 13

The MUX/DEMUX of claim 8 , wherein the one or more intermediate MUX/DEMUXs uses a high-level data link control (HDLC) flag having more bits than the H.223 recommendation, and a header having more bits than the H.223 recommendation.

Claim 14

The MUX/DEMUX of claim 11 , wherein the HDLC flag includes an extra pseudo-random noise (PN) code.

Claim 15

The MUX/DEMUX of claim 8 , wherein the one or more intermediate MUX/DEMUXs uses a high-level data link control (HDLC) flag having more bits than the H.223 recommendation, a header having more bits than the H.223 recommendation, and error protection bits in either an adaptation layer or a multiplex layer.

Claim 16

The MUX/DEMUX of claim 13 , wherein the HDLC flag includes an extra pseudo-random noise (PN) code.

Claim 17

A computer readable medium operable to implement an adaptive multiplexing/demultiplexing method in an H.324M system, the computer readable medium including: (a) a computer readable program means for performing a first multiplexing/demultiplexing process having the complexity of the H.223 recommendation; (b) a computer readable program means for performing a second multiplexing/demultiplexing process having the complexity of the H.223/Annex C recommendation; and (c) a computer readable program means for implementing one or more intermediate multiplexing/demultiplexing processes having a different level of complexity from said first and second multiplexing/demultiplexing processes.

Claim 18

A computer readable medium operable to implement an adaptive multiplexing/demultiplexing method in an H.324M system, the computer readable medium including: (a) a computer readable program means for performing a first multiplexing/demultiplexing process having the complexity of the H.223 recommendation; (b) a computer readable program means for performing a second multiplexing/demultiplexing process having the complexity of the H.223/Annex C recommendation; and (c) a computer readable program means for implementing one or more intermediate multiplexing/demultiplexing processes having a different level of complexity from said first and second multiplexing/demultiplexing processes.

Claim 19

The computer readable medium of claim 15 , wherein the computer readable program means for implementing the intermediate multiplexing/demultiplexing process uses a high-level data link control (HDLC) flag having more bits than the H.223 recommendation.

Claim 20

The computer readable medium of claim 16 , wherein the HDLC flag includes an extra pseudo-random noise (PN) code.

Claim 21

The method of claim 15 , wherein the computer readable program means for implementing the intermediate multiplexing/demultiplexing process comprises: (c1) computer readable program means using a high-level data link control (HDLC) flag having more bits than the H.223 recommendation; and (c2) computer readable program means using a header having more bits than the H.223 recommendation.

Claim 22

The computer readable medium of claim 18 , wherein the HDLC flag includes an extra pseudo-random noise (PN) code.

Claim 23

The computer readable medium of claim 19 , wherein the computer readable program means for implementing the intermediate multiplexing/demultiplexing comprises: (c1) computer readable program means for using a high-level data link control (HDLC) flag having more bits than the H.223 recommendation; (c2) computer readable program means for using a header having more bits than the H.223 recommendation; and (c3) computer readable program means for using error protection bits in either an adaptation layer or a multiplexer layer.

Claim 24

The method of claim 1 , wherein said intermediate multiplexing/demultiplexing processes includes a first intermediate process that has a process more complex than the H.223 recommendation and less complex than the H.223 Annex C recommendation and further includes a second intermediate process having complexity greater than said first intermediate process and less than said H.223 Annex C recommendation.

Claim 25

The multiplexer/demultiplexer of claim 8 , wherein said intermediate MUX/DEMUX includes a first intermediate MUX/DEMUX that is more complex than the H.223 recommendation and less complex than the H.223 Annex C recommendation and further includes a second intermediate MUX/DEMUX having complexity greater than said first intermediate MUX/DEMUX and less than said H.223 Annex C recommendation.

Claim 26

The computer readable medium of claim 15 , wherein said intermediate multiplexing/demultiplexing processes includes a first intermediate process that has a process more complex than the H.223 recommendation and less complex than the H.223 Annex C recommendation and further includes a second intermediate process having complexity greater than said first intermediate process and less than said H.223 Annex C recommendation.

Claim 27

An adaptive multiplexing/demultiplexing method in an audio/visual system, comprising steps of: (a) performing a first multiplexing/demultiplexing process having at least one of the complexity and performance of a first multiplexing/demultiplexing recommendation; (b) performing a second multiplexing/demultiplexing process having at least one of the complexity and performance of a second multiplexing/demultiplexing recommendation, the complexity and performance of the second multiplexing/demultiplexing recommendation being higher than those of the first multiplexing/demultiplexing recommendation; and (c) inserting at least one intermediate multiplexing/demultiplexing process having at least one of different complexity and performance from the multiplexing/demultiplexing processes of steps (a) and (b).

Claim 28

An adaptive multiplexing/demultiplexing method in an audio/visual system, comprising steps of: (a) performing a first multiplexing/demultiplexing process having at least one of the complexity and performance of a first multiplexing/demultiplexing recommendation; (b) performing a second multiplexing/demultiplexing process having at least one of the complexity and performance of a second multiplexing/demultiplexing recommendation, the complexity and performance of the second multiplexing/demultiplexing recommendation being higher than those of the first multiplexing/demultiplexing recommendation; and (c) inserting at least one intermediate multiplexing/demultiplexing process having at least one of different complexity and performance from the multiplexing/demultiplexing processes of steps (a) and (b).

Claim 29

The method of claim 24 , wherein the first multiplexing/demultiplexing recommendation is the H.223 recommendation.

Claim 30

The method of claim 24 wherein the second multiplexing/demultiplexing recommendation is the H.223/Annex C recommendation.