| 简介 |
PROBLEM TO BE SOLVED : To select an error concealment process automatically and appropriately depending on conditions of receiving data.
SOLUTION : An error-occurrence-rate detecting unit 50 detects an error rate ER per unit time, for example, per 10 seconds, and provides the ER to a comparing unit 51. On the other hand, a reference value REF 1 is set in a register REG 3 by operating an input device 45 and the reference value REF1 is supplied to the comparing unit 51. Comparing the error rate ER and the reference value REF 1, the comparing unit 51 provides the compared result to an error-concealment processing unit 43A, which performs error-concealment processing : if ER[
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