Table 253

+=====-========-========-========-========-========-========-========-========+
|  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) |
|=====+=======================================================================|
|     |                        Sub-Q channel data block                       |
|=====+=======================================================================|
| 4   |                    Sub channel data format code (00h)                 |
|-----+-----------------------------------------------------------------------|
| 5   |                ADR                |             Control               |
|-----+-----------------------------------------------------------------------|
| 6   |                             Track number                              |
|-----+-----------------------------------------------------------------------|
| 7   |                             Index number                              |
|-----+-----------------------------------------------------------------------|
| 8   | (MSB)                                                                 |
|- - -+---                     Absolute CD-ROM address                     ---|
| 11  |                                                                 (LSB) |
|--- -+-----------------------------------------------------------------------|
| 12  | (MSB)                                                                 |
|- - -+---                  Track relative CD-ROM address                  ---|
| 15  |                                                                 (LSB) |
|--- -+-----------------------------------------------------------------------|
| 16  |  MCVal |                       Reserved                               |
|--- -+-----------------------------------------------------------------------|
| 17  | (MSB)                                                                 |
|- - -+---                Media catalogue number (UPC/Bar code)            ---|
| 31  |                                                                 (LSB) |
|--- -+-----------------------------------------------------------------------|
| 32  |  TCVal |                       Reserved                               |
|--- -+-----------------------------------------------------------------------|
| 33  | (MSB)                                                                 |
|- - -+---        Track international standard recording code (ISRC)       ---|
| 47  |                                                                 (LSB) |
+=============================================================================+