Circuit arrangement for a continuous adjustment of the base widt

Details Circuit arrangement for a continuous adjustment of the base widt Circuit arrangement for a continuous adjustment of the base widt

1976-02-26

1977-06-28

Olms, Douglas W.

H04H 500

Patent

active

040327175

ABSTRACT:
A circuit arrangement for a continuous adjustment of the base width in a stereo decoder in which a sum signal and a difference signal of two reproduction signals are obtained from a received signal and are converted by way of a matrix operating with sum and difference formation to form the reproduction signals, provides that the matrix input for the different signal is preceded by an attenuator which has a control input for receiving a control voltage and attenuates the difference signal in dependence upon the control voltage. The control voltage is dependent upon the strength of the received signal so that the difference signal component in the reproduction signals is reduced with decreasing strength of the received signal.

REFERENCES:
patent: 3233044 (1966-02-01), Hopper
patent: 3673342 (1972-06-01), Muller
patent: 3752934 (1973-08-01), Nakamura et al.
patent: 3823268 (1974-07-01), Modafferi

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