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What is the difference between disc-at-once and track-at-once?

April 26, 2017difference disc-at-once track-at-once

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What is the difference between disc-at-once and track-at-once?

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There are two basic ways of writing to a CD-R. Disc-at-once (DAO) writes the entire CD in one pass, possibly writing multiple tracks. The entire burn must complete without interruption, and no further information may be added. Track-at-once (TAO) allows the writes to be done in multiple passes. There is a minimum track length of 300 blocks (600K for typical data CDs), and a maximum of 99 tracks per disc.