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 = 0.941 CC
1 CC = 1.063 CC
例子:
将15 通道容量冗余转换为卷积代码冗余：
15 CC = 14.118 CC
| 通道容量冗余 | 卷积代码冗余 |
|---|---|
| 0.01 CC | 0.009 CC |
| 0.1 CC | 0.094 CC |
| 1 CC | 0.941 CC |
| 2 CC | 1.882 CC |
| 3 CC | 2.824 CC |
| 5 CC | 4.706 CC |
| 10 CC | 9.412 CC |
| 20 CC | 18.824 CC |
| 30 CC | 28.235 CC |
| 40 CC | 37.647 CC |
| 50 CC | 47.059 CC |
| 60 CC | 56.471 CC |
| 70 CC | 65.882 CC |
| 80 CC | 75.294 CC |
| 90 CC | 84.706 CC |
| 100 CC | 94.118 CC |
| 250 CC | 235.294 CC |
| 500 CC | 470.588 CC |
| 750 CC | 705.882 CC |
| 1000 CC | 941.176 CC |
| 10000 CC | 9,411.765 CC |
| 100000 CC | 94,117.647 CC |
规则