Audio peak limiter using Hilbert transforms

Details Audio peak limiter using Hilbert transforms Audio peak limiter using Hilbert transforms

1983-03-31

1985-01-22

Rubinson, Gene Z.

Electrical audio signal processing systems and devices

Noise or distortion suppression

Interpolation

381106, 381 99, 328169, H04B 1500

Patent

active

044956436

ABSTRACT:
A peak limiter is described which employs the Hilbert transform. Effectively distinct processing occurs for low frequency and high frequency signals and harmonic distortion results only when the limiter is excited by high frequencies.

REFERENCES:
patent: 4208548 (1980-06-01), Orban
"Delay Lines Help Generate Quadrature Voice for SSB", Electronics Apr. 13, 1978, by Webb and Kelly.
"Decomposition of Nonlinear Operators into `Harmonic` Components, With Applications to Audio Signal Processing", Electronics Letters, Jan. 8, 1976 by M. A. Gerzon.
"A Family of Linear-Phase Crossover Networks of High Slope Derived by Time Delay", by Lipshitz and Vanderkooy, a paper presented at the 69th Convention of the Audio Engineering Society, (May 12-15), 1981 at Los Angeles, CA.

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