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Old 03-20-2025, 04:12 PM   #2706
j.p.s
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Quote:
Originally Posted by ratinox View Post
Not exactly. CD-DA (Digital Audio) does have error correction but it's only two rounds of Reed-Solomon coding which is sufficient for single bit errors. Full error correction requires three rounds of RS coding. CD-ROM uses three rounds.
Quote:
Originally Posted by ratinox View Post
Neither of these assertions are correct.

Audio CDs use cross-interleaved Reed-Solomon (CIRS) error correction. They only replace errors with silence (or pops on bad kit) when errors exceed the drive's error correction capabilities.
According to wikipedia, CIRC as implemented on CD corrects burst errors of up to 4000 bits. (The spatial interleaving avoids the need for an impossible number of parity bits. The
wikipedia article is very weak on detail.)
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