Equalizing circuit for reproduced signals

Details Equalizing circuit for reproduced signals Equalizing circuit for reproduced signals

1992-12-18

1995-02-07

Kuntz, Curtis

Electrical audio signal processing systems and devices

Sound effects

381 98, 348625, H03G 300

Patent

active

053881591

ABSTRACT:
An equalizing circuit is disclosed, in which a received signal is divided into high frequency components in different bands and a low frequency component; after having subjecting the high frequency components to a predetermined signal processing, they are amplitude-modulated, based on amplitudes thereof; and amplitude modulated signals thus obtained and the low frequency component are combined to obtain a synthesized signal. By effecting such a equalizing processing, it is possible to make the reproduced image quality of a video signal more distinct and to make an audio signal, whose band is restricted, have richer sound quality.

REFERENCES:
patent: 3681618 (1972-08-01), Blackmer
patent: 4316060 (1982-02-01), Adams et al.
patent: 4620226 (1986-10-01), Cheung
patent: 4991226 (1991-02-01), Bongiorno
Sedra & Smith, Microelectronic Circuits, 1987, pp. 67 & 68, HRW.

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