DATA ENCODING METHOD, DATA DECODING METHOD, ENCODER, DECODER AND CODEC Russian patent published in 2017 - IPC G10L19/02 H04N19/46 H04N19/94 

FIELD: physics, computer engineering.

SUBSTANCE: invention relates to encoding and decoding means. Correspondence of one or more portions of source data with one or more elements within one or more database is set up said one or more elements represent a respective one or more data block, and reference values which connect said one or more portions of input data with said one or more respective element is recorded. Reference values are included in the encoded data together with said one or more databases and/or information identifying said one or more databases. Encoded data including reference values and informaion on area identifiers, and information on one or more database is received. Reference values are decoded from the encoded data. One or more element from said one or more databases is extracted according to said reference values, wherein one or more said elements represents one or more corresponding data block. One or more said data block is formed for collection of corresponding outputting decoded data.

EFFECT: invention improves the efficiency of data encoding/decoding.

30 cl, 5 tbl, 3 dwg