Method of and device for detecting pulsatory interference signal

Details Method of and device for detecting pulsatory interference signal Method of and device for detecting pulsatory interference signal

1996-02-09

1996-12-17

Kuntz, Curtis

Electrical audio signal processing systems and devices

Noise or distortion suppression

Interpolation

381 93, 375348, H04B 1500

Patent

active

055861920

ABSTRACT:
For detecting pulsatory interference in a sampled audio signal, the value of a given signal sample is compared with the values of previous as well as subsequent signal samples within a selected time window. If the given sample, multiplied by a selected attenuation factor, exceeds a certain percentage of all such samples, that identifies it as an interference pulse. It can then be replaced by an interpolated sample value derived from adjoining samples over a selected interval of the signal.

REFERENCES:
patent: 3700812 (1972-10-01), Springett
patent: 5067157 (1991-11-01), Ishida

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