系统内冗余或重复数据的度量，表明存储和潜在性能问题效率低下。
1 CC = 1.063 TC
1 TC = 0.941 CC
例子:
将15 卷积代码冗余转换为涡轮代码冗余：
15 CC = 15.938 TC
| 卷积代码冗余 | 涡轮代码冗余 |
|---|---|
| 0.01 CC | 0.011 TC |
| 0.1 CC | 0.106 TC |
| 1 CC | 1.063 TC |
| 2 CC | 2.125 TC |
| 3 CC | 3.188 TC |
| 5 CC | 5.313 TC |
| 10 CC | 10.625 TC |
| 20 CC | 21.25 TC |
| 30 CC | 31.875 TC |
| 40 CC | 42.5 TC |
| 50 CC | 53.125 TC |
| 60 CC | 63.75 TC |
| 70 CC | 74.375 TC |
| 80 CC | 85 TC |
| 90 CC | 95.625 TC |
| 100 CC | 106.25 TC |
| 250 CC | 265.625 TC |
| 500 CC | 531.25 TC |
| 750 CC | 796.875 TC |
| 1000 CC | 1,062.5 TC |
| 10000 CC | 10,625 TC |
| 100000 CC | 106,250 TC |
规则