Sound field control apparatus

Details Sound field control apparatus Sound field control apparatus

1988-10-25

1989-08-08

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

381 18, H04S 100

Patent

active

048560642

ABSTRACT:
A sound field control apparatus is provided with a memory storing first and second sound field data; a first digital sound processor convoluting the first sound field data to a sum signal of two channel stereophonic input signals to produce a first initial reflection sound signal group; and a second digital sound processor convoluting the second sound field data to a difference signal of the two channel stereophonic input signals to produce a second initial reflection sound signal group. Thus, sound field reproduction which is richer in flexibility and change can be materialized. Sound fields created by the sound field data supplied to each digital sound processor can independently be changed and thereby it is possible to cause the sound field reproduction to be widely varied as a whole.

REFERENCES:
patent: 4275267 (1981-06-01), Kurtin et al.
patent: 4549289 (1985-10-01), Schwartz et al.
patent: 4731848 (1988-03-01), Kendall et al.
patent: 4748669 (1988-05-01), Klayman
patent: 4751739 (1988-06-01), Serikawa et al.
patent: 4803731 (1989-02-01), Niimi et al.

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