[music-dsp] Re: recosntruction from zero crossings

[eli+ at cs.cmu.edu]

Greg Berchin wrote:
> The invertible transform technique used in the paper is the addition of a
> sinewave of greater frequency than the highest signal component, and of
> greater amplitude than the greatest signal amplitude.

In which you get as many zero-crossing points as you would have had
sampling points if you'd sampled, but the information is coded almost
by sampling at amplitude instead of at time.  Cute.

-- 
     Eli Brandt  |  eli+ at cs.cmu.edu  |  http://www.cs.cmu.edu/~eli/
    (finished Ph.D., woohoo; looking for good work in the Seattle area)