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:
Sep. 02, 2025
Filed:
Feb. 26, 2021
Ad Connected, Inc., Seoul, KR;
Inje Cho, Seoul, KR;
Daehee Lee, Seoul, KR;
AD CONNECTED, INC., Seoul, KR;
Abstract
The present disclosure relates to a method of synchronizing playback of video and audio of a digital content. The method includes at least: transmitting, by a plurality of devices connected to a network, a video playback delay time, an audio playback delay time, and position information, to a master device; receiving a video playback delay time list or a video playback sync timestamp during a video playback duty cycle; receiving at least one of a virtual synchronization audio delay distance, audio delay distances of the connected devices, a sweet spot position, an audio playback delay time list, and an audio playback sync timestamp during an audio playback duty cycle; determining a video playback delay time correction amount, and correcting the video playback sync timestamp in consideration of the video playback delay time correction amount; and correcting the audio playback sync timestamp with the audio playback delay time correction amount.