G - Physics – 06 – F
Patent
G - Physics
06
F
354/143
G06F 3/05 (2006.01) G06F 11/00 (2006.01) G11B 20/18 (2006.01)
Patent
CA 1224571
ABSTRACT: Method of correcting erroneous values of samples of an equidistantly sampled signal and device for carrying out the method. The values of incorrect samples of, for exam- ple, a digital audio signal are estimated by means of interpolation. For this purpose an appropriate sampling interval is determined from the number of incorrect samples, in which interval the incorrect samples are situated. Subsequently, a best-fitting recursion for- mula is determined from the values of the samples, a first estimate being taken for the values of the incor- rect samples. By means of this recursion formula the value of a sample is expressed as a weighted sum of the values of a number of preceding samples and an error term. By means of the recursion formula thus found the values of the incorrect samples are subsequently estimat- ed, in such a manner that they are best-fitting values for the recursion formula. The Application also disclos- es a device for carrying out the method.
469399
Janssen Augustus J.e.m.
Prins Hendrik J.
Veldhuis Raymond N.j.
Vries Lodewijk B.
N.v.philips'gloeilampenfabrieken
Van Steinburg C.e.
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