US 12,439,130 B2
Optimal method to signal web-based subtitles
Padmassri Chandrashekar, Karnataka (IN); and Reda Harb, Bellevue, WA (US)
Assigned to ADEIA GUIDES INC., San Jose, CA (US)
Filed by Adeia Guides Inc., San Jose, CA (US)
Filed on Apr. 30, 2021, as Appl. No. 17/245,458.
Prior Publication US 2022/0353584 A1, Nov. 3, 2022
Int. Cl. H04N 7/10 (2006.01); H04N 21/2187 (2011.01); H04N 21/439 (2011.01); H04N 21/488 (2011.01)
CPC H04N 21/4884 (2013.01) [H04N 21/2187 (2013.01); H04N 21/4394 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of providing timed text for live media content, the method comprising:
receiving, by a media device from a server, a timed-text segment in sync with a media asset;
generating for display on the media device the timed-text segment with at least one frame of the media asset;
determining that the timed-text segment has been received a threshold number of times wherein the threshold number is more than one;
in response to the determining that the timed-text segment that was generated for display with the at least one frame of the media asset has been received the threshold number of times, storing locally, in a local memory of the media device, the timed-text segment in an index in association with a reference identifier;
receiving, by the media device, the reference identifier and an indication that the timed-text segment associated with the reference identifier is to be provided in sync with the media asset;
retrieving the timed-text segment stored in the local memory of the media device based on the reference identifier; and
generating for display the retrieved timed-text segment for display in sync with at least one other frame of the media asset.