Audio characteristic correction system

Details Audio characteristic correction system Audio characteristic correction system

2004-09-24

2009-08-25

Chin, Vivian (Department: 2614)

Electrical audio signal processing systems and devices

Sound effects

C381S063000, C381S098000

Reexamination Certificate

active

07580530

ABSTRACT:
An audio characteristic correction system adapted to an audio surround system in which a sound emitted from a directional speaker (an array speaker) is reflected on a wall surface or a sound reflection board so as to create a virtual speaker, at least one of frequency-gain characteristics, frequency-phase characteristics, and gain of an audio signal input to the directional speaker is corrected such that the sound reflected on the wall surface or the sound reflection board has desired audio characteristics at a desired listening position.

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Relevant portion of International Search Report of corresponding PCT Application PCT/JP2004/014443.
Related co-pending U.S. Appl. No. 10/572,832 ; Yusuke Konagai.; “Directional Speaker Control System”; Mar. 22, 2006 ; Spec. pp. 1-24 ; Figs. 1-16 ; Preliminary Amendment.
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