Acoustic apparatus

Details Acoustic apparatus Acoustic apparatus

1981-03-02

1983-10-04

Hickey, R. J.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Hearing aid

381 27, H04H 500

Patent

active

044080956

ABSTRACT:
An acoustic apparatus comprised of a means for extracting middle and high frequency components from left- and right-channel signals through respective high-pass filters to reproduce the components, and a means for mixing left- and right-channel signals and extracting a low frequency component through a low-pass filter to reproduce the component, wherein the reproduction power of the middle and high frequency component is set below the reproduction power of the low frequency component.

REFERENCES:
patent: 3094587 (1963-06-01), Dow
patent: 3397286 (1968-08-01), Prewitt et al.
patent: 3944748 (1976-03-01), Kuhn
patent: 4230905 (1980-10-01), Crum et al.
Stereo Catalog 1976, Pub. Ziff-Davis, 1975, p. 116, "Ads Speaker Systems"-2000 and Braun.
Stereo Catalog 1976, Pub. Ziff-Davis, 1975, p. 128, "Infinity Servo-Statik Speaker Sys."
Jensen Sound Laboratories Advertisement in "Stereo Review", May 1978.

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