by David Hakala

To make a data or Audio CD, a laser beam literally burns tiny dimples into the surface of a disc. That is why making a CD is calling “burning.” Windows Media Player supports burning of CDs in both data (ISO) format and CD-Audio (CDA) format.

CDA is the format in which commercial audio CDs are burned at the factory. A CDA disc can hold 70 to 80 minutes’ worth of music, regardless of the size of the original music files. CDA is a lossless format, so CDA files are faithful to the quality of the original file. CDA is needed if one plans to play the CD on an older CD player that does not support other file formats.
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