US 12,273,582 B2
Methods and systems for synchronization of closed captions with content output
Christopher Stone, Newtown, PA (US)
Assigned to Comcast Cable Communications, LLC, Philadelphia, PA (US)
Filed by Comcast Cable Communications, LLC, Philadelphia, PA (US)
Filed on Sep. 6, 2023, as Appl. No. 18/462,117.
Application 18/462,117 is a continuation of application No. 17/698,570, filed on Mar. 18, 2022, granted, now 11,785,278.
Prior Publication US 2024/0080514 A1, Mar. 7, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 21/43 (2011.01); H04N 21/44 (2011.01); H04N 21/488 (2011.01); H04N 21/8547 (2011.01)
CPC H04N 21/43074 (2020.08) [H04N 21/44004 (2013.01); H04N 21/4884 (2013.01); H04N 21/8547 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
receiving content, wherein the content comprises audio and closed captioned text;
determining text associated with at least a portion of the audio;
determining, based on a comparison of the determined text to at least a portion of the closed captioned text, a synchronization point corresponding to one or more matching portions;
determining, based on the synchronization point, first timing data associated with the closed captioned text and second timing data associated with the determined text;
determining, based on a comparison of the first timing data and the second timing data, a misalignment between the audio and the closed captioned text; and
realigning, based on the determined misalignment, the audio and the closed captioned text.