Method of correcting erroneous values of samples of an equidista

Details Method of correcting erroneous values of samples of an equidista Method of correcting erroneous values of samples of an equidista

1989-11-27

1991-06-18

Malzahn, David H.

Boots, shoes, and leggings

G06F 15353

Patent

active

050254049

ABSTRACT:
The values of incorrect samples of, for example, 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 formula is determined from the values of the samples, a first estimate being taken for the values of the incorrect 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 estimated, in such a manner that they are best-fitting values for the recursion formula. The Application also discloses a device for carrying out the method.

REFERENCES:
patent: 4231097 (1980-10-01), Shibayama et al.
patent: 4430736 (1984-02-01), Scholz
patent: 4451921 (1984-05-01), Odaka
patent: 4497055 (1985-01-01), Hoshino et al.

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