Pole-zero analyzer

Details Pole-zero analyzer Pole-zero analyzer

1987-02-03

1989-07-04

Roskoski, Bernard

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

381 51, 381 43, G01L 100

Patent

active

048457540

ABSTRACT:
A pole-zero analyzer includes an autocorrelation impulse response calculator, first and second buffers, a pole parameter value table, a first coefficient calculator, a first inverse filter, a second coefficient calculator, a second inverse filter, a pole-zero calculator for calculating a pole parameter and a zero parameter in response to outputs from the first and second inverse filters and calculating an error value for determining the pole parameter, a buffer memory for generating an output from the pole parameter value table obtained when the error value satisfies predetermined conditions and predetermined portions of the zero parameter and the pole parameter calculated by the pole-zero calculator as outputs of the pole-zero analyzer, and a control circuit for controlling operation timings of the respective parts.

REFERENCES:
patent: 4163120 (1979-07-01), Baumwolspiner
patent: 4566117 (1986-01-01), Suckle

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