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:
Dec. 15, 2020
Filed:
Nov. 30, 2016
Nippon Telegraph and Telephone Corporation, Chiyoda-ku, JP;
Kazuhisa Yamagishi, Musashino, JP;
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Chiyoda-ku, JP;
Abstract
An audio-visual quality estimation device includes: an audio quality estimator to estimate audio quality for each unit time starting from a playback start time of an audio-visual content, based on a parameter affecting audio quality among parameters related to the content; a video quality estimator to estimate video quality for each unit time, based on a parameter affecting video quality among the parameters related to the content; a unit time quality estimator to unify the audio quality and video quality for each unit time, to estimate audio-visual quality for each unit time; an encoding quality estimator to unify the audio-visual quality for the unit times into one value, to estimate audio-visual encoding quality with respect to encoding degradation, considering temporal quality fluctuation; and an audio-visual quality estimator to estimate the audio-visual quality perceived by a viewer after an end of the content, based on the audio-visual encoding quality.