Signal decoding method, signal decoding apparatus, signal multiplexing method, signal multiplexing apparatus, and recording medium
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsMAKOTO HAGAI, TAKESHI HATAKEYAMA
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Abstract
A signal decoding method comprises the steps of: receiving multiplexed signals in which coded signals of plural pieces of information to be recorded or transmitted have been multiplexed; obtaining priority information of respective information from the multiplexed signals; and decoding coded signals of respective information included in the multiplexed signals in the order in accordance with the obtained priority information.
Claims21
A signal decoding method comprising the steps of:
- receiving multiplexed signals in which coded signals of plural pieces of information to be recorded or transmitted have been multiplexed;
- obtaining priority information of respective information from the multiplexed signals;
- and
- decoding coded signals of respective information included in the multiplexed signals in the order in accordance with the obtained priority information.
A signal decoding method comprising the steps of:
- receiving multiplexed signals in which coded signals of plural pieces of information to be recorded or transmitted have been multiplexed;
- obtaining priority information of respective information from the multiplexed signals;
- deciding the order in which the coded signals are decoded in accordance with the obtained priority information;
- and
- decoding only coded signals of a higher decoding order than a prescribed order, of the coded signals of plural pieces of information included in the multiplexed signals.
A signal decoding method comprising the steps of:
- receiving multiplexed signals in which hierarchically coded signals comprising coded signals in plural hierarchies of plural pieces of information to be recorded or transmitted have been multiplexed;
- obtaining priority information of respective information from the multiplexed signals;
- deciding the order in which the hierarchically coded signals are decoded in accordance with the obtained priority information;
- and
- decoding only hierarchically coded signals in hierarchies from the lowest order to a higher order than a prescribed order, of a higher decoding order than a prescribed order, of the hierarchically coded signals of plural pieces of information included in the multiplexed signals.
A signal decoding apparatus which decodes multiplexed signals in which coded signals of plural pieces of information to be recorded or transmitted have been multiplexed, said apparatus comprising:
- demultiplexing means for separating coded signals of respective information from the multiplexed signals;
- priority producing means for producing priority information of respective information on the basis of the multiplexed signals;
- decoding means for decoding the coded signals output from the demultiplexing means in a prescribed order in accordance with a control signal;
- and
- control means for controlling the order in which coded signals are decoded by the decoding means, by the control signal on the basis of the priority information.
A signal multiplexing method comprising the steps of:
- coding plural pieces of information to be recorded or transmitted, to produce coded signals;
- producing priority information of respective information with which decoding order of the coded signals is decided, on the basis of the coded signals;
- and
- multiplexing the coded signals together with the priority information.
A signal multiplexing apparatus which multiplexes coded signals of plural pieces of information to be recorded or transmitted, said apparatus comprising:
- priority producing means for producing priority information of respective information with which decoding order of the coded signals is decided;
- and
- multiplexing means for multiplexing the coded signals together with the priority information.
A recording medium for storing multiplexed signals in which coded signals of plural pieces of information to be recorded or transmitted have been multiplexed together with priority information of respective information with which decoding order of the coded signals is decided.
Dependencies are inferred from the claim text.