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:
May. 04, 2021
Filed:
Dec. 08, 2016
Mitsubishi Electric Corporation, Tokyo, JP;
Satoru Furuta, Tokyo, JP;
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Abstract
A speech enhancement device includes: a filter to extract, from an input signal, a component in a frequency band including a fundamental frequency of speech, as a first filter signal; a filter to extract, from the input signal, a component in a frequency band including a first formant of speech, as a second filter signal; a filter to extract, from the input signal, a component in a frequency band including a second formant of speech, as a third filter signal; a mixer to mix the first and second filter signals, thereby outputting a first mixed signal; a mixer to mix the first and third filter signals, thereby outputting a second mixed signal; a controller to delay the first mixed signal, thereby generating a first speech signal for a first ear; and a controller to delay the second mixed signal thereby generating a second speech signal for a second ear.