Voice input and output apparatus with balancing among sound...

Details Voice input and output apparatus with balancing among sound... Voice input and output apparatus with balancing among sound...

2007-03-13

2007-03-13

Opsasnick, Michael N. (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

C704S233000

Reexamination Certificate

active

10253882

ABSTRACT:
A voice input and output apparatus is comprised of a voice output section that produces a sound field by outputting a sound on the basis of a voice output signal. A voice signal control section derives a calculation expression of a filtering process on the basis of a space transfer characteristics between the voice output section and control points. The voice signal control section produces the voice output signal by executing the filtering process of a voice input signal, so that a balance among sound pressures at predetermined control points in the sound field takes a predetermined balance.

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“An inverse filter design for transaural-system using least-norm-solution” wrtten by A. Kaminuma, S. Ise and K. Sikano, Symposium of The Acoustical Society of Japan, 1-9-13, 1009-09, pp. 495-496.

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