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Why don't you read a couple "no many" books on the history of ECC algorithms and then read the history Coding algorithms, and then may be you will understand. Their are relationships but then again there are big difference's. Its tough being and expert at everything! A! I sort see over the years, that if its not done a certain way, everyone's else or their ideas are stupid. I beg to differ, my point is proven more than a thousand times, just this year. I do not think that this reflector is for slinging insults, but so goes the world of the T13 reflector. I would like for one day to have dialogue that is productive and enlightening, but am I asking for to much. I guess so! Do the entire reflector a great service, If you can't comment with out insulting someone, don't comment. On 3/12/02 10:05 AM, "Hale Landis" <[EMAIL PROTECTED]> wrote: > This message is from the T13 list server. > > > On Tue, 12 Mar 2002 09:53:45 -0800, Thomas Colligan wrote: >> This message is from the T13 list server. >> Let us not confuse ECC algorithms and PRML. They are not quite the same. > > So you think that there is *no* information from the PRML "read > channel" that is also input to the ECC correction algorithm? You > think the ECC correction is done purely and only on the digital data > in the drive's buffer ignoring any and all information from the read > channel about the "quality" of that data? Even 40 years ago "signal > quality" information from the "read channel" was used by ECC > algorithms to correct digital data. > > > > *** Hale Landis *** www.ata-atapi.com *** > > >
