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Subject:
From:
Yui Shin <[log in to unmask]>
Reply To:
PCBUILD - Personal Computer Hardware discussion List <[log in to unmask]>
Date:
Tue, 26 Oct 1999 05:55:06 -0700
Content-Type:
text/plain
Parts/Attachments:
text/plain (33 lines)
Dan Gistenson wrote:
 (snip)
 Regarding a cdrw: What does: "4x / 4x / 24x" mean? What's the functional
 difference between the "24x", above, and "32x"? If many of the cd drives
are
 "40x", is a cdrw with either of the two specs above limiting which cd
drives
 will recognize the disks I'll create?

 Regarding dvd: Is "8X/32X" the current standard?
 (snip)

4x\4x\24x @ 150k per equals:
   600k/sec rewritable media speed (CDRW disc must support 4x to write at
this speed reliably)
   600k/sec recordable media speed (CDR disc must support 4x ... etc.)
   3600k/sec read speed (this is not the physical speed, but the buffered
speed allowing bursts
                                       of data transfer at this rate)
Also, 2x rewritable discs can be found for just a little more than cd
recordables: Kodak is excellent.
4x rewritable discs are much more and supported by fewer brands.
As far as DVD, 5th generation 10x/40x Pioneers are the newest, but like CD's
they play a given
"movie" at the speed it was recorded at - 1x or 2x for example. So I
wouldn't call it a standard.
Last DVD 8x is a much higher rate than a CD at 8x.
-yui

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