Peak-limiting apparatus for audio signal

Details Peak-limiting apparatus for audio signal Peak-limiting apparatus for audio signal

1979-02-05

1980-12-23

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307264, 328169, 330144, 330281, 330284, H03K 508, H03L 500

Patent

active

042412668

ABSTRACT:
A circuit which provides a control signal to dynamically adjust the level of clipping for an audio signal is described. The criterion for allowable clipping employed by the circuit is whether the clipper induced distortion is noticeable; the clipper induced distortion may be audible, however, remain unnoticeable. A frequency weighted correlation is performed on the audio signal to evaluate the waveform and establish an unnoticeable level of clipping.

REFERENCES:
patent: 3602825 (1971-08-01), Senior
patent: 3790896 (1974-02-01), Shimizu et al.
patent: 3904971 (1975-09-01), Delagrange

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