Ambient imaging loudspeaker system

Electrical audio signal processing systems and devices – Binaural and stereophonic – Hearing aid

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H04R 502

Patent

active

051174596

ABSTRACT:
Sound reproduction apparatus includes a loudspeaker system having a plurality of drivers for producing audio signals in response to respective electrical right and left stereophonic signals. A first of these drivers has a voice coil wired and connected in circuit for producing an audio output signal representing one of the electrical right and left stereophonic signals. A second of these drivers has a dual voice coil wired and connected in circuit for producing an audio output signal representing a difference between the one of the electrical right and left stereophonic signals reproduced by the first driver and the other stereophonic signal.

REFERENCES:
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patent: 4586192 (1986-04-01), Arntson
patent: 4630298 (1986-12-01), Polk et al.
patent: 4748669 (1988-05-01), Klayman
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patent: 4819269 (1989-04-01), Klayman
patent: 4847904 (1989-07-01), McShane
patent: 4888804 (1989-12-01), Gervert
A Psychoacoustically Optimized Loudspeaker, Kantor et al. Journal of Audio Engineering Soc., vol. 34, No. 12, pp. 990-996 Dec., 1986.

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