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Pastimes : Dream Machine ( Build your own PC ) -- Ignore unavailable to you. Want to Upgrade?

To: Spots who wrote (4105)	12/10/1998 8:52:00 PM
From: Sean W. Smith	Read Replies (1) \| Respond to of 14778

Spots, Its a forward error correction code based on Reed-Solomon encoding aka "Galois field Multiplication" invloving prime polynomials. The encoding is on the whole double word and you only need 8 extra bits. Similar to CD's and Cable Modems, ADSL and lots of oher applications that use similar forward error correction algorithms. Sean

To: Spots who wrote (4105)	12/10/1998 11:44:00 PM
From: AreWeThereYet	Read Replies (1) \| Respond to of 14778

Spots, your message has a high entropy than me :o) I don't know what today's ECC use as there are many different schemes, but in order to store enough information for error-correction, I think approx. 3 bits is required for every 8 bits. Maybe newer technique able to reduce this in a larger chunk but this will give me a even harder time (correct a larger chunk is much more complex!). Oh no, did you mentioned modulo arithemetic too, my brain is frozen now :oP aC