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cdrdao: A Linux command line program to write a CD in DAO (disk at once) mode.

From http://cdrdao.sourceforge.net/index.html:

Cdrdao records audio or data CD-Rs in disk-at-once (DAO) mode based on a textual description of the CD contents (toc-file).

Advantages of Disk-At-Once (DAO) Recording Recording in disk-at-once mode writes the complete disc, i.e. lead-in, one or more tracks and lead-out, in a single step. The commonly used track-at-once (TAO) mode writes each track independently which requires link blocks between two tracks. Older CD-recorder models forced a two second pause (pre-gap) between two tracks whereas newer models allow adjusting of the pause length in TAO mode reducing the number of link blocks to a minimal amount. However, with TAO it is generally not possible to define the data that is written in pre-gaps. But exactly this feature makes audio CD recording interesting, e.g. by creating hidden bonus tracks or track intros in pre-gaps like it is common habit on commercial CDs. Finally, DAO recording is the only way to write data to the unused R-W sub-channels for e.g. CD-G or CD-TEXT.


  • RandyKramer - 14 Feb 2002
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Topic revision: r3 - 2003-09-07 - AnitaLewis
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