FREQUENCY RESPONSE COMPENSATING DEVICE FOR AUDIO REPRODUCTION SIGNAL Russian patent published in 2003 - IPC

Abstract RU 2197057 C2

FIELD: audio signal reproducing devices. SUBSTANCE: device has high-frequency filter for passing only high- frequency component of reproduction signal. Clipper functions to clip signal between predetermined levels incorporating highest high- frequency noise components. The latter are present in reproduction signal processed by high-frequency filter. In adder clipped signal is superimposed on reproduced signal to separate high-frequency signal. Device may incorporate nonlinear amplifier for amplifying reproduction signal processed by high-frequency filter with preset gain without phase shift between high-frequency filter and clipper. Clipper has at least two diodes. Cathode of first diode and anode of second one are connected to input contact and respective anode and cathode, to output contact. Capacitor and resistor function to connect output contact in series with ground. EFFECT: improved design. 5 cl, 2 dwg

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RU 2 197 057 C2

Authors

Li Khaj-Vook

Vikulov I.G.

Dates

2003-01-20Published

1997-03-28Filed