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Re: [ARSCLIST] Gold CDs
On 08/11/04, Richard L. Hess wrote:
> At 07:53 AM 2004/11/08 -0500, you wrote:
>> I was referring to the uncorrectible error correction system in CD
>> players. Sorry if this was unclear from the context of my message.
>>
>> Steven Smolian
>
> I'm not sure that we have the specific language in the CD standards,
> but in the video world there is a distinction between
> error correction and
> error concealment
>
> The former is a deterministic process that totally recovers the data
> as written in spite of the loss of some of the bits on the medium.
>
> The latter is merely an attempt to hide an uncorrectable error.
>
> The data world doesn't allow concealment so it has an extra level of
> correction.
Which is why it makes sense to save an audio file on both a data disk
and an audio disk.
Regards
--
Don Cox
doncox@xxxxxxxxxxxxxx