Binary processing of sound spectrum

Details Binary processing of sound spectrum Binary processing of sound spectrum

1985-03-19

1987-01-06

Tokar, Michael J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Analysis of complex waves

324 77R, G01R 2316

Patent

active

046349669

ABSTRACT:
A frequency spectral distribution of sound signal has a plurality of discrete data at respective channels where sampling takes place. Such a spectral distribution, defining a parallel signal, is converted into a time series signal which is used to produce a peak-detected signal and a zero-cross signal. Then, based on the timing of the zero-cross signal, the peak-detected signal is compared with the original parallel signal to process the original parallel signal to be binary-valued. The present invention provides a simple hardware structure having the above-described function.

REFERENCES:
patent: 3881097 (1975-04-01), Lehmann
patent: 4015087 (1977-03-01), Stewart
patent: 4084245 (1978-04-01), Bunge
patent: 4093988 (1978-06-01), Scott
patent: 4344031 (1982-08-01), Kuhn et al.
patent: 4348637 (1982-09-01), Hayes, III et al.

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