-=> Quoting Drew Hohmann to Cameron Hall <=-
 DH> So the CD player rotates the CD at different speeds as it reads
 DH> the disc from inside to outside?  You'd think that it would be
 DH> difficult to set each CD player to such exact specs, but it does make
 DH> sense that the speed would have to change, otherwise your data would be
 DH> coming off the disc at variable rates.  John has a good point here.  I
 DH> thought that the CD player spun the disc at a constant rate, like a
 DH> record player. Though now you have me confused.  A record player
 DH> rotates at a constant rate, yet even though the inside edges and the
 DH> outside edges travel at different speeds, their is no difference in
 DH> pitch between the outside and inside edges.  (Meaning if you had a 33
That's because it's mastered the same way it's played, well almost.  The
cutting lathe "tone arm" is true as to tangital tracking, like the
turntables that have a straight rod that the tonearm glides along, not
like the average pivoting arm that has a greater "error" of geometry.
 DH> the record).  Seeing how it's summer, my brain isn't working the way it
 DH> should, so can you please explain this?
 
I hope I've helped. :-)
See ya, Cameron Hall
cameron.hall@bluebeam.gryn.org | ad121@freenet.hamilton.on.ca
Blue Beam BBS | 905 662 5784 | Stoney Creek Ontario Canada | v34 vFC FAX
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