Table 258

+=====-========-========-========-========-========-========-========-========+
|  Bit|   7    |   6    |   5    |   4    |   3    |   2    |   1    |   0    |
|Byte |        |        |        |        |        |        |        |        |
|=====+=======================================================================|
|     |                        Sub-channel data header                        |
|=====+=======================================================================|
| 0   |                               Reserved                                |
|-----+-----------------------------------------------------------------------|
| 1   |                             Audio status                              |
|-----+-----------------------------------------------------------------------|
| 2   | (MSB)                                                                 |
|-----+---                     Sub-channel data length                     ---|
| 3   |                                                                 (LSB) |
|=====+=======================================================================|
|     |                   Media catalogue number data block                   |
|=====+=======================================================================|
| 4   |                  Sub channel data format code (02h)                   |
|-----+-----------------------------------------------------------------------|
| 5   |                               Reserved                                |
|-----+-----------------------------------------------------------------------|
| 6   |                               Reserved                                |
|-----+-----------------------------------------------------------------------|
| 7   |                               Reserved                                |
|-----+-----------------------------------------------------------------------|
| 8   |  MCVal |                      Reserved                                |
|-----+-----------------------------------------------------------------------|
| 9   | (MSB)                                                                 |
|- - -+---              Media catalogue number (UPC/Bar code)              ---|
| 23  |                                                                 (LSB) |
+=============================================================================+