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       |
+================================================================+