Head diffraction compensated stereo system

Details Head diffraction compensated stereo system Head diffraction compensated stereo system

1987-10-15

1990-01-09

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Stereo sound pickup device

H04R 5027

Patent

active

048933422

ABSTRACT:
A stereo audio processing system for a stereo audio signal processing reproduction that provides improved source imaging and simulation of desired listening environment acoustics while retaining relative independence of listener movement. The system first utilizes a synthetic or artificial head microphone pickup and utilizes the results as inputs to a cross-talk cancellation and naturalization compensation circuit utilizing minimum phase filter circuits to adapt the head diffraction compensated signals for use as loudspeaker signals. The system provides for head diffraction compensation including cross-coupling while permitting listener movement by limiting the cross-talk cancellation and diffraction compensation to frequencies substantially below approximately ten kilohertz.

REFERENCES:
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patent: 4566119 (1986-01-01), Peters
patent: 4731848 (1988-03-01), Kendall et al.
patent: 4748669 (1988-05-01), Klayman
patent: 4819269 (1989-04-01), Klayman

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