Yamaha CD Recordable/Rewritable Drive CRW8824E-NB User Manual download pdf (Page 38)

Appendix

Session-at-Once (SAO)

As a writing method that combines the advantages of the above-mentioned “Disc-

at-Once” and “Track-at-Once,” you can combine multiple tracks into one session

and write them, and then add additional data.

For example, this is the writing method used to create a CD EXTRA format CD.

The music tracks will be recorded in the first session, and the data will be recorded

in the second session.

Lead-in Lead-outLead-out

/Lead-in

DataAudio Audio Audio

0 650MB

Track 1 Track 2 Track 3 Track 4

Session 1 Session 2

Example: CD EXTRA

Packet Writing

This mode is used when writing to a track of a disc using small blocks of data

called “packets,” in a manner similar to a floppy disk. This mode is useful when

making small incremental backups of data. You will need to use software that

specifically supports packet writing, such as Adaptec’s DirectCD.

12345678

............

Packet

Same as writing to floppy or hard disk

Discs must be formatted before they can be used for packet writing. With CD-RW,

erased data can be overwritten until the disc is completely full.

With CD-R, the space used by the erased data cannot be reused and is “masked” so

that it is no longer visible. This can be done up to 100 times.

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Yamaha CD Recordable/Rewritable Drive CRW8824E-NB User Manual Page 38