Digitally shaped noise generating system

Details Digitally shaped noise generating system Digitally shaped noise generating system

G - Physics

10

K

328/97

G10K 15/02 (2006.01) G06F 7/58 (2006.01) G09B 9/00 (2006.01)

Patent

CA 1094173

DIGITALLY SHAPED NOISE GENERATING SYSTEM ABSTRACT OF THE DISCLOSURE This invention relates to high-speed acoustic noise generating system that is under the control of a computer in order to produce spectrally shaped noise of any de- sired amplitude versus frequency shape. The foregoing is accomplished by randomly generating and serially storing binary noise in a first memory, by generating with a computer, filter coefficients and serially storing the filter coefficients in a second memory, and by individually adding and accumulating the filter coefficients generated by the computer when the serially corresponding noise coefficient has the same polar- ity as the logic that triggers the apparatus of this invention.

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