Couldn't "true" quad sound be done this way, then?
On Thu, 3 Sep 1998, Alex Reynolds wrote:
quoted 26 lines That sounds almost like you're describing some sort of error correction on> That sounds almost like you're describing some sort of error correction on
> a piece of vinyl...
>
> Such a two-tracked record could be played on a deck with a two-needle arm,
> the distance between needle tips equalling the distance between groove
> valleys. The advanced deck would be less susceptible to bumps *and* able to
> take the two signals and subtract noise from either, like a pair of
> chromosomes. Something like that could be "complete without surface
> noise"...
>
> :: Alex
>
> >My question is: has anyone made a record with two parallel grooves that
> >spiral inward between each other that have different tracks with the same
> >bpm that have the their cue points line up, such that if the needle skips
> >to the other track (the one in parallel, not one groove ahead or behind)
> >it is still in time and in sync? Whew!
>
> __________________________________________________________________________
> Alex Reynolds Distributed Support Specialist
> Department of Biology School of Arts & Sciences Computing
> University of Pennsylvania Philadelphia, PA
> email:reynolda@sas.upenn.edu phone:215.573.2818
>
>
>
solenoid@europa.com <------+