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MULTIPLE QUALITY DATA CREATION ENCODER, MULTIPLE QUALITY DATA CREATION DECODER, MULTIPLE QUANTITY DATA ENCODING DECODING SYSTEM, MULTIPLE QUALITY DATA CREATION ENCODING METHOD, MULTIPLE QUALITY DATA CREATION DECODING METHOD, AND MULTIPLE QUALITY DATA CREATION ENCODING/DECODING METHOD
MULTIPLE QUALITY DATA CREATION ENCODER, MULTIPLE QUALITY DATA CREATION DECODER, MULTIPLE QUANTITY DATA ENCODING DECODING SYSTEM, MULTIPLE QUALITY DATA CREATION ENCODING METHOD, MULTIPLE QUALITY DATA CREATION DECODING METHOD, AND MULTIPLE QUALITY DATA CREATION ENCODING/DECODING METHOD
Plural decoded results are obtained from one code data based on with/without change information attached to encoding information shared by the receiver.;An encoder having a modeling unit 502A for modeling input data sequence 501 to obtain a data value 503 and a parameter 504, an encoding unit 505 for encoding output from the modeling unit, and a code sending unit 506 for sending output from the encoding unit, the encoder includes:;a) a setting changing unit 523A for instructing to change one of the data value and the parameter based on change information 521; and;at least one of following b-1) and b-2):;b-1) a data manipulating unit 530A for manipulating either of the data value 503 or the parameter 504 output from the modeling unit to output to the encoding unit based on the change information instructed by the setting changing unit; and;b-2) a code manipulating unit 531A for obtaining encoded result by instructing the encoding unit to perform predetermined change or manipulating sending code output sent by the code sending unit based on the change information instructed by the change setting unit. Further, a decoder having corresponding function is provided.
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