Table 256

+=====-==============================-===========================+ 
| Bit |       Equals zero            |       Equals one          | 
|-----+------------------------------+---------------------------| 
|  0  |  Audio without pre-emphasis  |  Audio with pre-emphasis  | 
|  1  |  Digital copy prohibited     |  Digital copy permitted   | 
|  2  |  Audio track                 |  Data track               | 
|  3  |  Two-channel audio           |  Four-channel audio       | 
+================================================================+