公开(公告)号：US20240268705A1

公开(公告)日：2024-08-15

申请号：US18563251

申请日：2022-04-12

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Masashi ISHIMARU ,  Junko NAKAJIMA ,  Jakusei KIYOSAKI ,  Yoshihiro MATSUMURA ,  Yaming ZHANG ,  Takeshi KIKUTANI ,  Makoto KARIYASU

IPC: A61B5/11 ,  A61B5/00 ,  G16H20/00

CPC classification number: A61B5/11 ,  A61B5/4803 ,  G16H20/00 ,  A61B2503/08

Abstract: An oral function evaluation method includes: obtaining voice data obtained by collecting a voice of an evaluatee uttering a syllable or a fixed phrase that includes (i) two or more morae including a change in a first formant frequency or a change in a second formant frequency or (ii) at least one of a flap, a plosive, a voiceless sound, a double consonant, or a fricative; extracting a prosody feature from the voice data obtained; calculating an estimated value of an oral function of the evaluatee, based on the prosody feature extracted and an oral function estimating equation calculated based on a plurality of training data items; and evaluating an oral function deterioration state of the evaluatee by assessing the estimated value using an oral function evaluation indicator.