Method and apparatus for correcting a sequence of invalid sample

Details Method and apparatus for correcting a sequence of invalid sample Method and apparatus for correcting a sequence of invalid sample

1986-08-20

1989-06-13

Harkcom, Gary V.

Boots, shoes, and leggings

36472410, 36472803, G06F 738, G06F 15336

Patent

active

048398438

ABSTRACT:
Method and apparatus for replacing a sequence of invalid samples of an equidistantly sampled signal, such as an audio signal, with valid signal samples from a remote preceding environment of valid samples which, but for a scaling factor, approximates as closely as possible the environment preceding the set of invalid samples to be replaced. Although a sequence of valid samples subsequent to the set of invalid samples is necessary to define the environment of the invalid set, the subsequent sequence can be relatively short. Consequently, the time delay required for replacing invalid samples is much shorter than with methods based on valid samples in an environment subsequent to the invalid samples.

REFERENCES:
Kailath et al., "An Innovations Approach to Least-Squares Estimation-Part V: Innovations Representations and Recursive Estimation in Colored Noise", IEEE Trans. on Automatic Control, vol. AC-18, No. 5, Oct. 1973, pp. 435-453.
Aasnaes et al., "An Innovations Approach to Least-Squares Estimation-Part VII: Some Applications of Vector Autoregressive Moving Average Models", IEEE Trans. on Automatic Control, vol. AC-18, No. 6, Dec. 1973, pp. 601-607.
Gevers et al., "An Innovations Approach to Least-Squares Estimation-Part VI: Discrete-Time Innovations Representations and Recursive Estimation", IEEE Trans. on Automatic Control, vol. AC-18, No. 6, Dec. 1973, pp. 588-600.
Toyoda et al., "An Application of State Estimation to Short-Term Load Forecasting, Part I: Forecasting Modeling"; IEEE Trans. on Power Apparatus and Systems, vol. PAS-89, No. 7, Sep./Oct. 1970, pp. 1678-1682.
Tretter, "Linear Parameter Estimation", pp. 355-369.

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