The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 09, 2025
Filed:
Mar. 28, 2023
Honda Motor Co., Ltd., Tokyo, JP;
Xun Wang, Wako, JP;
Toshio Inoue, Wako, JP;
HONDA MOTOR CO., LTD., Tokyo, JP;
Abstract
Provided is a sound field control device including: a non-control-target component extractor configured to extract a non-control-target component from a sound source signal; a speaker selector configured to select one of plural speakers as a speaker to output the non-control-target component, based on the location of the listening area; a control-target component extractor configured to extract a control-target component from the sound source signal; a sound controller configured to, for each of the plural speakers, adjust the amplitude and the phase of the control-target component, based on locations of the listening area and a quiet area using filters each having coefficients set for the speaker; and sound combiners provided respectively for the plural speakers, the sound combiners each configured to combine the control-target component whose amplitude and phase have been adjusted and the non-control-target component and to output the combined result to the corresponding speaker.