Andrew Lentvorski wrote:
>..
> The extra bits were to allow the Viterbi detectors to have a longer
> stream with which to work.  Hard drives actually suck at storing data
> and flip bits *all the time*.  We have just layered so much error
> correction over top that we can recover from extremely large numbers of
> bit errors and still produce the original data.

Do you by any chance know any details of the error-correcting magic in
common use? Hamming codes (or related) I assume, but how many errors of
what type are detected? - corrrectes?, etc.


Regards,
..jim


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