Sound field correction system

Details Sound field correction system Sound field correction system

1987-07-28

1989-09-19

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

H04S 100

Patent

active

048688789

ABSTRACT:
A sound field correcting system for correcting for multipath frequency-characteristic distortion in an acoustic reproducing system. In one embodiment, the level and delay of an original signal are adjusted and superposed on the original signal so as to obtain a signal which, when reproduced by a loudspeaker, yields a sound pattern at a listening point having a flat frequency characteristic. The delay adjustment is effected in accordance with a difference between the travel distances of direct and reflected sound waves to the listening point.

REFERENCES:
patent: 4308423 (1981-12-01), Cohen
patent: 4309570 (1982-01-01), Carver

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