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Posted by Bill Vermillion on 01/29/07 18:05
In article <vhobr2l80sqbamu9n4ugug28cm1vh4setq@4ax.com>,
MassiveProng <MasiveProng@yourhiney.org> wrote:
>On Mon, 22 Jan 2007 19:10:45 -0500, "Joshua Zyber"
><joshzyber@comcast.net> Gave us:
>
>>"Bill Vermillion" <bv@wjv.com> wrote in message
>>news:JCA6wC.1tJx@wjv.com...
>>> And just this morning I got the latest CED digest
>>
>>The latest CED digest?
> Read what his take on LD and CAV is. He is out in left field.
In what way. CAV - constant angular velocity. The disk rotates
at one speed. CLV - constant linear velocity - the disk changes
speeds to keep the data stream under the pickup constant.
With the first CLV releases, such as Blazing Saddles, there was
in many players a noticeable herringbone pattern, so a
method call CAA - constant angular accelleration was developed -
though the name CLV was retained.
CAA is best described as banded CAV - where there are bands
that all rotate as the same speed, channging speeds as the pickup
moves from the center to the outside. This prevented the
herringbone pattern that was caused by each adjacent track field
being slightly offset from the previous one.
Where am I in left field on that?
Bill
--
Bill Vermillion - bv @ wjv . com
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