Apparatus and method for enhanced psychoacoustic imagery using a

Details Apparatus and method for enhanced psychoacoustic imagery using a Apparatus and method for enhanced psychoacoustic imagery using a

1983-05-03

1985-01-22

Hickey, R. J.

Electrical audio signal processing systems and devices

Binaural and stereophonic

381 18, H04R 500, H04S 100

Patent

active

044956371

ABSTRACT:
Enhanced pyschoacoustic imagery is achieved in an audio signal processing circuit for processing plural channels of related audio signals. Asymmetric bi-directional audio signal cross-feed is established between first and second audio signal processing channels, for example. The cross-fed signal components are combined in an out-of-phase relationship with respect to related audio signals already passing through a given channel. The asymmetry is designed so as to complement the asymmetry which is believed to be present in a listener's brain processing of perceived acoustic signals due to the naturally occurring left or right half brain dominance of the listener. In other embodiments both symmetric and asymmetric, cross-feeding is limited to signal components below a predetermined frequency.

REFERENCES:
patent: 3170991 (1965-02-01), Glasgal
patent: 4121059 (1978-10-01), Nakabayashi
patent: 4139728 (1979-02-01), Haramoto et al.
patent: 4149036 (1979-04-01), Okamoto et al.
patent: 4192969 (1980-03-01), Iwahara
patent: 4309570 (1982-01-01), Carver

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