Re: CD's and CD-ROM's

["Tom K. McCarthy" <mcca6300@spacelink.msfc.nasa.gov>]

What are Rowland's Ghosts and are they any relation to Hadinger's brushes?

Thanks.

On Mon, 8 Apr 1996, Alex. F. Burr wrote:

> True, the dot patterns from sound on CD's are not truely random but
> in general they do not possess the regularity necessary to produce
> Rowland ghosts. A CD containg in a long passage of but a single note
> might serve. It would be interesting to observe.

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Tom K. McCarthy   Email:mcca6300@spacelink.msfc.nasa.gov