[music-dsp] OT: CD Perfection

Joshua Scholar joshscholar at yahoo.com
Wed Oct 13 22:58:56 EDT 2004


>Isn't reading digital audio data done the same?

No it isn't.  CD players have real-time error correction.  If the
error-correction fails then it may have silence or it may try to reread.  If
it has trouble tracking then you'll get skips.

By the way, CD Roms have more error-correction codes than Red-Book audio
does (and therefore less data density), and CD burners tend to have CD Rom
error-correction in hardware, while cheap readers rely on software
error-correction and handle errors much more slowly.

Joshua Scholar




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