Hi Peter.  CDs are recorded inside to outside, so a super long CD such as
the one you describe has data at the very outer edge of the disc (you
should be able to see this data if you hold the disc up to a light). The
outer edge is where the disc is handled, so fingerprints and dirt can be a
problem, as well as any slight mechanical deformation in the disc.  Your
computer's DVD burner spins the disc at high speed, which may help flatten
it out somewhat if it is slightly warped.  Also, the computer's error
correction might be more robust than that of your CD player.


Ellis Burman

On Sat, Sep 6, 2014 at 9:52 PM, Peter Hirsch <[log in to unmask]> wrote:

> I am listening to a recording of Morton Feldman's Piano and string quartet
> on a Bridge CD (catalog no. 9369). This piece clocks in at 79:13 and is
> recorded as a single track of that length. The sound drops out from time to
> time for a moment, which leads me to wonder if the unusual length of the
> disc and track is a factor have listened to this disc on my computer's CD
> drive without these dropouts.
> Can someone give a lucid, brief, explanation of what causes the dropouts
> and why the results are different on my computer and CD player?
> Curious as ever,
> Peter Hirsch

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