Appendix
Writing Modes
Disc-at-Once (DAO)
This mode is used when writing a complete disc in a single pass without pausing. Data cannot be added later, even if the full capacity of the blank disc has not been used.
Example: General
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Example: Audio CD |
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Audio Audio
Audio Audio Audio Audio Audio
Track 1 Track 2 Track 3 Track 4 Track 5 Track 6 Track 7
Any remaining space
cannot be used
Session 1
Note
The
Track-at-Once (TAO)
This mode is used when writing data to a disc one track at a time. More tracks can be added later if there is enough space left on the disc. This is why
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Data
Data
Data
Track 1
Session 1
Track 2
Session 2
Track 3
Session 3
Any remaining space
can be used
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Note
Only the first session of a multisession disc can be played back on a conventional audio CD player. Single session discs can be played back completely.
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