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:
Jan. 18, 2022
Filed:
May. 27, 2020
Fujitsu Limited, Kawasaki, JP;
Chikako Matsumoto, Yokohama, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A non-transitory computer-readable storage medium storing a program that causes a computer to execute a process, the process includes setting a plurality of speaker regions in different directions; calculating a phase difference in each of a plurality of different frequency bands on the basis of a plurality of sound signals acquired by the plurality of microphones; calculating a representative value of the number of phase differences belonging to each of a plurality of phase difference regions corresponding to each of the plurality of speaker regions on the basis of the calculated phase differences and the set plurality of speaker regions; comparing magnitudes of the calculated representative values; and determining, as a direction in which a speaker exists, a direction of a speaker region corresponding to a phase difference region where the compared representative value is large.