| 摘要 |
In a RAM 1-3, a data area and a current memory are provided. A signal processing portion 1-10 processes audio signals in accordance with a parameter set stored in the current memory. In the data area, a plurality of S data sets each formed of a parameter set and an S list which is a list of S data sets are stored. Each S data set is identified by its unique identification information (SID). The S list stores list information including SIDs which identify the respective S data sets. When storage of the parameter set stored in the current memory is desired, a new SID is generated, so that list information including the generated SID is added to the S list, with the SID being added to the parameter set of the current memory to be stored as a new S data set in the data area.
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