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:
Jul. 11, 2023
Filed:
May. 07, 2019
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Sachiko Kurihara, Tokyo, JP;
Noboru Harada, Tokyo, JP;
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Abstract
To obtain an appropriate evaluation value in an acoustic quality evaluation by a conversational test. An acoustic quality evaluation apparatusevaluates the acoustic quality of a call performed between a near-end terminaland a far-end terminalvia a voice communication network. An evaluation value presenting unitdisplays, on a display unit, evaluation categories obtained by classifying each of a plurality of evaluation viewpoints into a predetermined number of levels. An input unittransmits the evaluation category selected by the evaluator for each of the evaluation viewpoints, to an evaluation value determination unit. The evaluation value determination unitdetermines the lowest evaluation value among evaluation values assigned to the evaluation category received from the input unitas a subjective evaluation value for acoustic quality.