Electrical audio signal processing systems and devices – Binaural and stereophonic – Hearing aid
Patent
1986-01-28
1987-10-27
Isen, Forester W.
Electrical audio signal processing systems and devices
Binaural and stereophonic
Hearing aid
381 86, H04R 500
Patent
active
047035021
ABSTRACT:
A system for reproducing stereophonic signals to create a stereophonic sound image in front of each of listeners sitting side by side in a compartment. The system includes a right-hand loudspeaker positioned relative to the right of the first listener sitting on the right, a left-hand loudspeaker positioned relative to the left of the second listener sitting on the left, and a center loudspeaker positioned between the right- and left-hand loudspeakers. A signal generator generates R and L stereophonic signals. The R signal is applied to drive the right- and left-hand loudspeakers. The L signal is fed to drive the center loudspeaker. The signal generator includes a circuit for attenuating the R signal to the right-hand loudspeaker and a circuit for attenuating the R signal to the left-hand loudspeaker.
REFERENCES:
patent: 4509184 (1985-04-01), Yanagawa
patent: 4521906 (1983-06-01), Kahn
Imai Hiroshi
Kasai Junichi
Tsuda Hiroshi
Isen Forester W.
Nissan Motor Company Limited
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