Addresses have different meaning depending on the addressing mode:
Mode Meaning
0 Logical block addressing
Offset in blocks from the start of a CD's data area
1 Red Book addressing
A time offset from a CD's first frame, in the form:
Byte Label Meaning
0 FF Frame number (0 - 74)
(75 frames in one second)
1 SS Seconds (0-59)
2 MM Minutes (0-99)
3 Reserved
2 Physical block addressing
offset in blocks from the first block on the CD.
The first readable audio block on a CD is usually 2 secs (150 blocks) into the data area - modes 0 and 1 may give an error if you try to access below this.
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