Electrical audio signal processing systems and devices – Binaural and stereophonic – Amplifier
Patent
1984-01-09
1985-03-05
Rubinson, Gene Z.
Electrical audio signal processing systems and devices
Binaural and stereophonic
Amplifier
381 1, 381107, H04R 500
Patent
active
045035547
ABSTRACT:
The disclosure relates to an audio signal reproduction system having one or more of the following features: (1) a loudspeaker having (a) a flat frequency response and (b) a predetermined power response; (2) two loudspeakers adapted to be positioned relative to one another so that they reproduce a stereophonic image substantially independent of the listener's position along a listening line spaced from the loudspeakers and nonintersecting a line extending between the two speakers; (3) an improved cross-over network having a substantially constant input impedance as a function of frequency; (4) a power sensor for sensing the power applied to a transducer so that audio signals are transmitted over a first signal path through the system when the sensed power is above a predetermined minimum level, and over a second path when the sensed power falls below the minimum level; (5) a power monitoring circuit to prevent a loudspeaker driver from being overdriven; and (6) a circuit for substantially balancing the signal energy levels between two audio channels over a long period of time.
REFERENCES:
patent: 3195067 (1965-07-01), Klein et al.
patent: 3222455 (1965-12-01), Golik
patent: 3956709 (1976-05-01), Osakabe et al.
patent: 4221006 (1980-09-01), Weintraub et al.
Brady W. J.
DBX Inc.
Rubinson Gene Z.
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