Glossary definition of 'Subcode'
Non-audio control data encoded with the audio on a CD that defines such things as track start and end points, running times, track numbers etc. The data in a CD are arranged in frames 33 bytes long, one byte of which is the subcode. Each bit of the subcode is given a letter from P to W and corresponds to different channels of subcode information. Only the first two, P and Q are defined and used in Red-Book standard audio CDs.see also:
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