Title:
自律神経の状態評価システム
Document Type and Number:
Japanese Patent JP5812265
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To evaluate a state of the autonomic nerve from voice of a subject without attaching a measuring instrument to the subject's body.SOLUTION: This autonomic nerve state evaluation system includes: a voice input means 1; an A/D conversion means 2 for converting voice data input from the voice input means into digital voice data; a filter 3 for extracting a pitch frequency band of the digital voice data; and a signal processing means 4 for calculating a chaotic index value of the digital voice data of the pitch frequency band that has been extracted by the filter 3, and outputting it.
Inventors:
Kazuichi Shiomi
Asuka Harada
Asuka Harada
Application Number:
JP2011158788A
Publication Date:
November 11, 2015
Filing Date:
July 20, 2011
Export Citation:
Assignee:
National Institute of Electronics and Navigation
Kazuichi Shiomi
Kazuichi Shiomi
International Classes:
A61B5/16; A61B5/00
Domestic Patent References:
| JP2003099094A | ||||
| JP2003079602A | ||||
| JP2010054568A | ||||
| JP2003280684A |
Foreign References:
| US20050108014 |
Attorney, Agent or Firm:
Nobuyuki Shima