Title:
臨場感推定装置およびそのプログラム
Document Type and Number:
Japanese Patent JP5658483
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a live atmosphere estimation device which can estimate an objective live atmosphere without performing a subjective evaluation experiment.SOLUTION: A live atmosphere estimation device 1 includes: acoustic signal analyzing means 10 to calculate a reproduction sound field acoustic analyzation value by acoustically analyzing a reproduction sound field acoustic signal B; a content database 30 to store a contribution rate in which the degree of contribution of the acoustic analysis result for a psychological effect is preliminary learned; psychological effect influence degree calculation means 41 to calculate a psychological effect estimation value in a reproduction sound field for each psychological effect, by multiplying the reproduction sound field acoustic analyzation value by the contribution rate, while calculating a psychological effect influence degree, which is an influence degree of the psychological effect received from sound of the reproduction sound field acoustic signal being reproduced, by adding the psychological effect estimation value for each psychological effect; and psychological effect influence degree display means 43 to display the psychological effect influence degree in the reproduction sound field calculated by the psychological effect influence degree calculation means 41 as an estimation result for the live atmosphere.
Inventors:
大出 訓史
安藤 彰男
安藤 彰男
Application Number:
JP2010119992A
Publication Date:
January 28, 2015
Filing Date:
May 26, 2010
Export Citation:
Assignee:
日本放送協会
International Classes:
H04S5/02; G10K15/00; G10L25/69
Attorney, Agent or Firm:
Patent business corporation Isono international patent trademark office
Michizo Isono
Etsuo Tada
Michizo Isono
Etsuo Tada