| 摘要 |
In a data modulating system, 12 bits of input data correspond to 15 channel bits of an output code. The input data of 12 bits are converted to the output code of 15 channel bits such that 7 channel bits in the output code provide code "1". The output code of 15 channel bits is divided into a first group of 7 channel bits and a second group of 8 channel bits. The number of bits in the first group providing code "1" the number of bits in the second group providing code "1" are respectively at 3 and 4, 4 and 3, or 2 and 5.
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