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:
Nov. 18, 2025
Filed:
Feb. 08, 2022
Panasonic Intellectual Property Corporation of America, Torrance, CA (US);
Virginie Drugeon, Darmstadt, DE;
Tadamasa Toma, Osaka, JP;
Takahiro Nishi, Nara, JP;
Kiyofumi Abe, Osaka, JP;
Yusuke Kato, Osaka, JP;
PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA, Torrance, CA (US);
Abstract
An encoder that switches whether or not to store a first parameter included in hypothetical reference decoder (HRD) parameters related to a decoding unit into a buffering period supplemental enhancement information (SEI) message according to a second flag stored into the buffering period SEI message. The second flag indicates whether or not the HRD parameters related to the decoding unit are present, and a value of the second flag being equal to a value of a first flag stored in a sequence parameter set. The first flag indicates whether or not the HRD parameters are present.