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. 24, 2017
Filed:
Feb. 18, 2015
Jvc Kenwood Corporation, Yokohama-shi, Kanagawa, JP;
Masato Sugano, Yokohama, JP;
JVC KENWOOD CORPORATION, Yokohama-shi, Kanagawa, JP;
Abstract
An audio signal processing device includes: a frequency-domain conversion unit that generates a plurality of pieces of frequency-domain information from a plurality of audio input signals acquired at different positions; a relative value calculation unit that calculates, for each piece of frequency-domain information, a relative value between a time-frequency component included in one frequency-domain information and a time-frequency component included in another frequency-domain information; a mask generation unit that compares the relative value with an emphasized range set based on a relative value threshold stored in advance to generate a time-frequency mask that decreases a value of the frequency-domain information corresponding to the relative value which is outside the emphasized range; a mask multiplication unit that multiplies the time-frequency mask by the frequency-domain information to generate emphasized frequency-domain information; and a time-domain conversion unit that converts the emphasized frequency-domain information into an audio output signal indicated as being time-domain information.