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:
Apr. 28, 2026
Filed:
May. 28, 2024
Yamaha Corporation, Hamamatsu, JP;
Yamaha Corporation, Hamamatsu, JP;
Abstract
A wearable acoustic device includes: a first microphone configured to collect external sound to acquire input sound; a second microphone configured to collect sound perceived by the ear in a state of the wearable acoustic device being worn on the ear of a user; a first processor configured to acoustically adjust the input sound using active noise control, based on the sound perceived by the ear collected by the second microphone, to acquire a first sound signal; a second processor configured to perform predetermined filter processing on the input sound, to acquire a second sound signal; a gain adjuster configured to adjust an attenuation amount characteristic of the sound perceived by the ear for a frequency to a predetermined characteristic and sound volume by combining the first sound signal and the second sound signal according to a level of the input sound.