Acoustic imager

Details Acoustic imager Acoustic imager

1986-03-17

1987-10-20

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Hearing aid

381 90, 181155, H04R 500, H04R 102

Patent

active

047019514

ABSTRACT:
An improved stereophonic imaging system with two stand-alone cabinet units 10, 12 each having a front baffle with sound emitting bass midrange B1, B2 and tweeter T1, T2 drivers symmetrically arranged about a common vertical plane to emit directly radiated sound. Individual panels 30, 32 with cylindrical, convex reflecting surfaces 34, 36 are disposed with their axes parallel to the common plane at variable distances from and at variable angular orientations to the common plane, to redirect energy emanating from the transducers as reflected secondary sound. The reflected sound blends together with directly radiated sound to provide a coherent central image with improved definition and fidelity.

REFERENCES:
patent: 4031318 (1977-06-01), Pitre
Electronics, Dec. 1970, p. 137, "Wharfedale Variflex", Stereo Speakers.
Dbx Soundfield One Speaker System, Stereo Review, Jul. 1984, pp. 56-59, 86.

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