Error correction device

阅读:508发布:2022-09-11

专利汇可以提供Error correction device专利检索,专利查询,专利分析的服务。并且PURPOSE: To realize an effective error correction processing by improving the error correction capability of a low frequency component in comparison with the error correction capability to the high frequency component of a block.
CONSTITUTION: This device is provided with an arrangement conversion means 15 arranging a low frequency component at every block of a data subjected to entropy coding processing to a prescribed code length and converting the data into a periodic data, a 1st parity addition means 16 adding a 1st parity code for error correction to an output data and a 2nd parity addition means 20 adding a 2nd parity code for error correction to a data subjected to the entropy coding processing. Error correction processing is applied to a low frequency component based on the 1st and 2nd parity codes and error correction processing is applied to other frequency components based on the 2nd parity code. Thus, the error correction capability of the low frequency component of the block is improved and effective error correction processing is realized.
COPYRIGHT: (C)1991,JPO&Japio,下面是Error correction device专利的具体信息内容。

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