Compact source coding tables for encoder/decoder system

Details Compact source coding tables for encoder/decoder system Compact source coding tables for encoder/decoder system

H - Electricity

03

M

H03M 7/42 (2006.01) G06T 9/00 (2006.01) G10L 19/00 (2006.01) H03M 7/30 (2006.01)

Patent

CA 2183352

An apparatus or method which applies data compression techniques such as multidimensional Huffman encoding uses compact encoding tables which are smaller than conventional tables by ordering symbols within messages prior to coding and passing order information with the resulting code word. An apparatus or method which applies data decompression recovers a message from a compact decoding table in response to a code word and reorders symbols within the message according to order information received with the code word.

Procédé et appareil utilisant une technique de compression des données telle que celle du codage multidimensionnel de Huffman et des tables compactes de codage plus petites que les tables usuelles dans lesquelles les symboles sont ordonnés à l'intérieur des messages avant codage et transfert des informations d'ordre à l'aide du mot codé résultant. Procédé et appareil utilisant une technique de compression des données pour restituer un message à partir d'une table compacte de décodage en réponse à un mot codé et réordonnant les symboles à l'intérieur du message selon des informations d'ordre reçues avec le mot codé.

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