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Re: cd-rom jitter



On Fri, Apr 21, 2000 at 04:15:32AM -0400, Arcady Genkin wrote:
> When using cdparanoia, it *always* shows ":-|", which stands for
> "Considerable jitter", and often ":-/". I've been wondering, while
> having a Plextor CD-ROM, am I getting worth of what I have
> payed. Anyone extracting with mostly ":-)"?

i usually do. i don't recall the make of my cd-rom drive offhand, but
the kernel reports it as "TOSHIBA CD-ROM XM-6202B, ATAPI CDROM drive".
Too lazy to check my box-o'-dox.

> Can anyone define `jitter' as applicable to a CD-ROM? (or direct me to
> a resource where it's explained)

To make sure it's reading the data correctly from the CD, cdparanoia
reads the data several times and compares the results. 'jitter' is the
quality that these repeated measurements don't match. Your Plextor seems
to have a rather high jitter index.


-- 
  finger for GPG public key.

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